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Example CodeSystem/iana-link-relations (XML)

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: Informative

Raw XML (canonical form + also see XML Format Specification)

Definition for Code SystemLinkRelationTypes

<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="iana-link-relations"/> 
  <meta> 
    <lastUpdated value="2024-04-19T18:19:53.040+00:00"/> 
    <profile value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p> This case-sensitive code system 
        <code> http://hl7.org/fhir/CodeSystem/iana-link-relations</code>  defines the following codes:
      </p> 
      <table class="codes">
        <tr> 
          <td style="white-space:nowrap">
            <b> Code</b> 
          </td> 
          <td> 
            <b> Display</b> 
          </td> 
          <td> 
            <b> Definition</b> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">about
            <a name="iana-link-relations-about"> </a> 
          </td> 
          <td> Refers to a resource that is the subject of the link's context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource that is the subject of the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">acl
            <a name="iana-link-relations-acl"> </a> 
          </td> 
          <td> Asserts that the link target provides an access control description for the link
             context.</td> 
          <td> 
            <div> 
              <p> Asserts that the link target provides an access control description for the link
                 context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">alternate
            <a name="iana-link-relations-alternate"> </a> 
          </td> 
          <td> Refers to a substitute for this context</td> 
          <td> 
            <div> 
              <p> Refers to a substitute for this context</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">amphtml
            <a name="iana-link-relations-amphtml"> </a> 
          </td> 
          <td> Used to reference alternative content that uses the AMP profile of the HTML format.</td> 
          <td> 
            <div> 
              <p> Used to reference alternative content that uses the AMP profile of the HTML format.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">appendix
            <a name="iana-link-relations-appendix"> </a> 
          </td> 
          <td> Refers to an appendix.</td> 
          <td> 
            <div> 
              <p> Refers to an appendix.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">apple-touch-icon
            <a name="iana-link-relations-apple-touch-icon"> </a> 
          </td> 
          <td> Refers to an icon for the context. Synonym for icon.</td> 
          <td> 
            <div> 
              <p> Refers to an icon for the context. Synonym for icon.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">apple-touch-startup-image
            <a name="iana-link-relations-apple-touch-startup-image"> </a> 
          </td> 
          <td> Refers to a launch screen for the context.</td> 
          <td> 
            <div> 
              <p> Refers to a launch screen for the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">archives
            <a name="iana-link-relations-archives"> </a> 
          </td> 
          <td> Refers to a collection of records, documents, or other
      materials of historical interest.</td> 
          <td> 
            <div> 
              <p> Refers to a collection of records, documents, or other
materials of historical interest.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">author
            <a name="iana-link-relations-author"> </a> 
          </td> 
          <td> Refers to the context's author.</td> 
          <td> 
            <div> 
              <p> Refers to the context's author.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">blocked-by
            <a name="iana-link-relations-blocked-by"> </a> 
          </td> 
          <td> Identifies the entity that blocks access to a resource
      following receipt of a legal demand.</td> 
          <td> 
            <div> 
              <p> Identifies the entity that blocks access to a resource
following receipt of a legal demand.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">bookmark
            <a name="iana-link-relations-bookmark"> </a> 
          </td> 
          <td> Gives a permanent link to use for bookmarking purposes.</td> 
          <td> 
            <div> 
              <p> Gives a permanent link to use for bookmarking purposes.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">canonical
            <a name="iana-link-relations-canonical"> </a> 
          </td> 
          <td> Designates the preferred version of a resource (the IRI and its contents).</td> 
          <td> 
            <div> 
              <p> Designates the preferred version of a resource (the IRI and its contents).</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">chapter
            <a name="iana-link-relations-chapter"> </a> 
          </td> 
          <td> Refers to a chapter in a collection of resources.</td> 
          <td> 
            <div> 
              <p> Refers to a chapter in a collection of resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">cite-as
            <a name="iana-link-relations-cite-as"> </a> 
          </td> 
          <td> Indicates that the link target is preferred over the link context for the purpose
             of permanent citation.</td> 
          <td> 
            <div> 
              <p> Indicates that the link target is preferred over the link context for the purpose
                 of permanent citation.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">collection
            <a name="iana-link-relations-collection"> </a> 
          </td> 
          <td> The target IRI points to a resource which represents the collection resource for
             the context IRI.</td> 
          <td> 
            <div> 
              <p> The target IRI points to a resource which represents the collection resource for
                 the context IRI.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">contents
            <a name="iana-link-relations-contents"> </a> 
          </td> 
          <td> Refers to a table of contents.</td> 
          <td> 
            <div> 
              <p> Refers to a table of contents.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">convertedFrom
            <a name="iana-link-relations-convertedFrom"> </a> 
          </td> 
          <td> The document linked to was later converted to the
      document that contains this link relation.  For example, an RFC can
      have a link to the Internet-Draft that became the RFC; in that case,
      the link relation would be &quot;convertedFrom&quot;.</td> 
          <td> 
            <div> 
              <p> The document linked to was later converted to the
document that contains this link relation.  For example, an RFC can
have a link to the Internet-Draft that became the RFC; in that case,
the link relation would be &quot;convertedFrom&quot;.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">copyright
            <a name="iana-link-relations-copyright"> </a> 
          </td> 
          <td> Refers to a copyright statement that applies to the
    link's context.</td> 
          <td> 
            <div> 
              <p> Refers to a copyright statement that applies to the
link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">create-form
            <a name="iana-link-relations-create-form"> </a> 
          </td> 
          <td> The target IRI points to a resource where a submission form can be obtained.</td> 
          <td> 
            <div> 
              <p> The target IRI points to a resource where a submission form can be obtained.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">current
            <a name="iana-link-relations-current"> </a> 
          </td> 
          <td> Refers to a resource containing the most recent
      item(s) in a collection of resources.</td> 
          <td> 
            <div> 
              <p> Refers to a resource containing the most recent
item(s) in a collection of resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">describedby
            <a name="iana-link-relations-describedby"> </a> 
          </td> 
          <td> Refers to a resource providing information about the
      link's context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource providing information about the
link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">describes
            <a name="iana-link-relations-describes"> </a> 
          </td> 
          <td> The relationship A 'describes' B asserts that
      resource A provides a description of resource B. There are no
      constraints on the format or representation of either A or B,
      neither are there any further constraints on either resource.</td> 
          <td> 
            <div> 
              <p> The relationship A 'describes' B asserts that
resource A provides a description of resource B. There are no
constraints on the format or representation of either A or B,
neither are there any further constraints on either resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">disclosure
            <a name="iana-link-relations-disclosure"> </a> 
          </td> 
          <td> Refers to a list of patent disclosures made with respect to 
      material for which 'disclosure' relation is specified.</td> 
          <td> 
            <div> 
              <p> Refers to a list of patent disclosures made with respect to
material for which 'disclosure' relation is specified.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">dns-prefetch
            <a name="iana-link-relations-dns-prefetch"> </a> 
          </td> 
          <td> Used to indicate an origin that will be used to fetch required 
      resources for the link context, and that the user agent ought to resolve
             
      as early as possible.</td> 
          <td> 
            <div> 
              <p> Used to indicate an origin that will be used to fetch required
resources for the link context, and that the user agent ought to resolve
as early as possible.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">duplicate
            <a name="iana-link-relations-duplicate"> </a> 
          </td> 
          <td> Refers to a resource whose available representations
      are byte-for-byte identical with the corresponding representations of
      the context IRI.</td> 
          <td> 
            <div> 
              <p> Refers to a resource whose available representations
are byte-for-byte identical with the corresponding representations of
the context IRI.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">edit
            <a name="iana-link-relations-edit"> </a> 
          </td> 
          <td> Refers to a resource that can be used to edit the
      link's context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource that can be used to edit the
link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">edit-form
            <a name="iana-link-relations-edit-form"> </a> 
          </td> 
          <td> The target IRI points to a resource where a submission form for
      editing associated resource can be obtained.</td> 
          <td> 
            <div> 
              <p> The target IRI points to a resource where a submission form for
editing associated resource can be obtained.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">edit-media
            <a name="iana-link-relations-edit-media"> </a> 
          </td> 
          <td> Refers to a resource that can be used to edit media
      associated with the link's context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource that can be used to edit media
associated with the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">enclosure
            <a name="iana-link-relations-enclosure"> </a> 
          </td> 
          <td> Identifies a related resource that is potentially
      large and might require special handling.</td> 
          <td> 
            <div> 
              <p> Identifies a related resource that is potentially
large and might require special handling.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">external
            <a name="iana-link-relations-external"> </a> 
          </td> 
          <td> Refers to a resource that is not part of the same site as the current context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource that is not part of the same site as the current context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">first
            <a name="iana-link-relations-first"> </a> 
          </td> 
          <td> An IRI that refers to the furthest preceding resource
    in a series of resources.</td> 
          <td> 
            <div> 
              <p> An IRI that refers to the furthest preceding resource
in a series of resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">glossary
            <a name="iana-link-relations-glossary"> </a> 
          </td> 
          <td> Refers to a glossary of terms.</td> 
          <td> 
            <div> 
              <p> Refers to a glossary of terms.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">help
            <a name="iana-link-relations-help"> </a> 
          </td> 
          <td> Refers to context-sensitive help.</td> 
          <td> 
            <div> 
              <p> Refers to context-sensitive help.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">hosts
            <a name="iana-link-relations-hosts"> </a> 
          </td> 
          <td> Refers to a resource hosted by the server indicated by
      the link context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource hosted by the server indicated by
the link context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">hub
            <a name="iana-link-relations-hub"> </a> 
          </td> 
          <td> Refers to a hub that enables registration for
    notification of updates to the context.</td> 
          <td> 
            <div> 
              <p> Refers to a hub that enables registration for
notification of updates to the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">icon
            <a name="iana-link-relations-icon"> </a> 
          </td> 
          <td> Refers to an icon representing the link's context.</td> 
          <td> 
            <div> 
              <p> Refers to an icon representing the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">index
            <a name="iana-link-relations-index"> </a> 
          </td> 
          <td> Refers to an index.</td> 
          <td> 
            <div> 
              <p> Refers to an index.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalAfter
            <a name="iana-link-relations-intervalAfter"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that ends before the beginning
             of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that ends before the beginning
                 of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalBefore
            <a name="iana-link-relations-intervalBefore"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins after the end
             of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins after the end
                 of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalContains
            <a name="iana-link-relations-intervalContains"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins after the beginning
             of the time interval associated with the context resource, and ends before the
             end of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins after the beginning
                 of the time interval associated with the context resource, and ends before the
                 end of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalDisjoint
            <a name="iana-link-relations-intervalDisjoint"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins after the end
             of the time interval associated with the context resource, or ends before the beginning
             of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins after the end
                 of the time interval associated with the context resource, or ends before the beginning
                 of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalDuring
            <a name="iana-link-relations-intervalDuring"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins before the beginning
             of the time interval associated with the context resource, and ends after the end
             of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins before the beginning
                 of the time interval associated with the context resource, and ends after the end
                 of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalEquals
            <a name="iana-link-relations-intervalEquals"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval whose beginning coincides
             with the beginning of the time interval associated with the context resource, and
             whose end coincides with the end of the time interval associated with the context
             resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval whose beginning coincides
                 with the beginning of the time interval associated with the context resource, and
                 whose end coincides with the end of the time interval associated with the context
                 resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalFinishedBy
            <a name="iana-link-relations-intervalFinishedBy"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins after the beginning
             of the time interval associated with the context resource, and whose end coincides
             with the end of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins after the beginning
                 of the time interval associated with the context resource, and whose end coincides
                 with the end of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalFinishes
            <a name="iana-link-relations-intervalFinishes"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins before the beginning
             of the time interval associated with the context resource, and whose end coincides
             with the end of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins before the beginning
                 of the time interval associated with the context resource, and whose end coincides
                 with the end of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalIn
            <a name="iana-link-relations-intervalIn"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins before or is coincident
             with the beginning of the time interval associated with the context resource, and
             ends after or is coincident with the end of the time interval associated with the
             context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins before or is coincident
                 with the beginning of the time interval associated with the context resource, and
                 ends after or is coincident with the end of the time interval associated with the
                 context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalMeets
            <a name="iana-link-relations-intervalMeets"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval whose beginning coincides
             with the end of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval whose beginning coincides
                 with the end of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalMetBy
            <a name="iana-link-relations-intervalMetBy"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval whose end coincides with the
             beginning of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval whose end coincides with the
                 beginning of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalOverlappedBy
            <a name="iana-link-relations-intervalOverlappedBy"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins before the beginning
             of the time interval associated with the context resource, and ends after the beginning
             of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins before the beginning
                 of the time interval associated with the context resource, and ends after the beginning
                 of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalOverlaps
            <a name="iana-link-relations-intervalOverlaps"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval that begins before the end
             of the time interval associated with the context resource, and ends after the end
             of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval that begins before the end
                 of the time interval associated with the context resource, and ends after the end
                 of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalStartedBy
            <a name="iana-link-relations-intervalStartedBy"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval whose beginning coincides
             with the beginning of the time interval associated with the context resource, and
             ends before the end of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval whose beginning coincides
                 with the beginning of the time interval associated with the context resource, and
                 ends before the end of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">intervalStarts
            <a name="iana-link-relations-intervalStarts"> </a> 
          </td> 
          <td> refers to a resource associated with a time interval whose beginning coincides
             with the beginning of the time interval associated with the context resource, and
             ends after the end of the time interval associated with the context resource</td> 
          <td> 
            <div> 
              <p> refers to a resource associated with a time interval whose beginning coincides
                 with the beginning of the time interval associated with the context resource, and
                 ends after the end of the time interval associated with the context resource</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">item
            <a name="iana-link-relations-item"> </a> 
          </td> 
          <td> The target IRI points to a resource that is a member of the collection represented
             by the context IRI.</td> 
          <td> 
            <div> 
              <p> The target IRI points to a resource that is a member of the collection represented
                 by the context IRI.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">last
            <a name="iana-link-relations-last"> </a> 
          </td> 
          <td> An IRI that refers to the furthest following resource
      in a series of resources.</td> 
          <td> 
            <div> 
              <p> An IRI that refers to the furthest following resource
in a series of resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">latest-version
            <a name="iana-link-relations-latest-version"> </a> 
          </td> 
          <td> Points to a resource containing the latest (e.g.,
      current) version of the context.</td> 
          <td> 
            <div> 
              <p> Points to a resource containing the latest (e.g.,
current) version of the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">license
            <a name="iana-link-relations-license"> </a> 
          </td> 
          <td> Refers to a license associated with this context.</td> 
          <td> 
            <div> 
              <p> Refers to a license associated with this context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">linkset
            <a name="iana-link-relations-linkset"> </a> 
          </td> 
          <td> The link target of a link with the &quot;linkset&quot; relation
      type provides a set of links, including links in which the link
      context of the link participates.
    </td> 
          <td> 
            <div> 
              <p> The link target of a link with the &quot;linkset&quot; relation
type provides a set of links, including links in which the link
context of the link participates.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">lrdd
            <a name="iana-link-relations-lrdd"> </a> 
          </td> 
          <td> Refers to further information about the link's context,
      expressed as a LRDD (&quot;Link-based Resource Descriptor Document&quot;)
      resource.  See  for information about
      processing this relation type in host-meta documents. When used
      elsewhere, it refers to additional links and other metadata.
      Multiple instances indicate additional LRDD resources. LRDD
      resources MUST have an &quot;application/xrd+xml&quot; representation, and
      MAY have others.</td> 
          <td> 
            <div> 
              <p> Refers to further information about the link's context,
expressed as a LRDD (&quot;Link-based Resource Descriptor Document&quot;)
resource.  See  for information about
processing this relation type in host-meta documents. When used
elsewhere, it refers to additional links and other metadata.
Multiple instances indicate additional LRDD resources. LRDD
resources MUST have an &quot;application/xrd+xml&quot; representation, and
MAY have others.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">manifest
            <a name="iana-link-relations-manifest"> </a> 
          </td> 
          <td> Links to a manifest file for the context.</td> 
          <td> 
            <div> 
              <p> Links to a manifest file for the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">mask-icon
            <a name="iana-link-relations-mask-icon"> </a> 
          </td> 
          <td> Refers to a mask that can be applied to the icon for the context.</td> 
          <td> 
            <div> 
              <p> Refers to a mask that can be applied to the icon for the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">media-feed
            <a name="iana-link-relations-media-feed"> </a> 
          </td> 
          <td> Refers to a feed of personalised media recommendations relevant to the link context.</td> 
          <td> 
            <div> 
              <p> Refers to a feed of personalised media recommendations relevant to the link context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">memento
            <a name="iana-link-relations-memento"> </a> 
          </td> 
          <td> The Target IRI points to a Memento, a fixed resource that will not change state
             anymore.</td> 
          <td> 
            <div> 
              <p> The Target IRI points to a Memento, a fixed resource that will not change state
                 anymore.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">micropub
            <a name="iana-link-relations-micropub"> </a> 
          </td> 
          <td> Links to the context's Micropub endpoint.</td> 
          <td> 
            <div> 
              <p> Links to the context's Micropub endpoint.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">modulepreload
            <a name="iana-link-relations-modulepreload"> </a> 
          </td> 
          <td> Refers to a module that the user agent is to preemptively fetch and store for use
             in the current context.</td> 
          <td> 
            <div> 
              <p> Refers to a module that the user agent is to preemptively fetch and store for use
                 in the current context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">monitor
            <a name="iana-link-relations-monitor"> </a> 
          </td> 
          <td> Refers to a resource that can be used to monitor changes in an HTTP resource.
    </td> 
          <td> 
            <div> 
              <p> Refers to a resource that can be used to monitor changes in an HTTP resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">monitor-group
            <a name="iana-link-relations-monitor-group"> </a> 
          </td> 
          <td> Refers to a resource that can be used to monitor changes in a specified group of
             HTTP resources.
    </td> 
          <td> 
            <div> 
              <p> Refers to a resource that can be used to monitor changes in a specified group of
                 HTTP resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">next
            <a name="iana-link-relations-next"> </a> 
          </td> 
          <td> Indicates that the link's context is a part of a series, and
      that the next in the series is the link target.
    </td> 
          <td> 
            <div> 
              <p> Indicates that the link's context is a part of a series, and
that the next in the series is the link target.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">next-archive
            <a name="iana-link-relations-next-archive"> </a> 
          </td> 
          <td> Refers to the immediately following archive resource.</td> 
          <td> 
            <div> 
              <p> Refers to the immediately following archive resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">nofollow
            <a name="iana-link-relations-nofollow"> </a> 
          </td> 
          <td> Indicates that the context’s original author or publisher does not endorse the
             link target.</td> 
          <td> 
            <div> 
              <p> Indicates that the context’s original author or publisher does not endorse the
                 link target.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">noopener
            <a name="iana-link-relations-noopener"> </a> 
          </td> 
          <td> Indicates that any newly created top-level browsing context which results from
             following the link will not be an auxiliary browsing context.</td> 
          <td> 
            <div> 
              <p> Indicates that any newly created top-level browsing context which results from
                 following the link will not be an auxiliary browsing context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">noreferrer
            <a name="iana-link-relations-noreferrer"> </a> 
          </td> 
          <td> Indicates that no referrer information is to be leaked when following the link.</td> 
          <td> 
            <div> 
              <p> Indicates that no referrer information is to be leaked when following the link.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">opener
            <a name="iana-link-relations-opener"> </a> 
          </td> 
          <td> Indicates that any newly created top-level browsing context which results from
             following the link will be an auxiliary browsing context.</td> 
          <td> 
            <div> 
              <p> Indicates that any newly created top-level browsing context which results from
                 following the link will be an auxiliary browsing context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">openid2.local_id
            <a name="iana-link-relations-openid2.46local_id"> </a> 
          </td> 
          <td> Refers to an OpenID Authentication server on which the context relies for an assertion
             that the end user controls an Identifier.</td> 
          <td> 
            <div> 
              <p> Refers to an OpenID Authentication server on which the context relies for an assertion
                 that the end user controls an Identifier.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">openid2.provider
            <a name="iana-link-relations-openid2.46provider"> </a> 
          </td> 
          <td> Refers to a resource which accepts OpenID Authentication protocol messages for
             the context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource which accepts OpenID Authentication protocol messages for
                 the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">original
            <a name="iana-link-relations-original"> </a> 
          </td> 
          <td> The Target IRI points to an Original Resource.</td> 
          <td> 
            <div> 
              <p> The Target IRI points to an Original Resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">P3Pv1
            <a name="iana-link-relations-P3Pv1"> </a> 
          </td> 
          <td> Refers to a P3P privacy policy for the context.</td> 
          <td> 
            <div> 
              <p> Refers to a P3P privacy policy for the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">payment
            <a name="iana-link-relations-payment"> </a> 
          </td> 
          <td> Indicates a resource where payment is accepted.</td> 
          <td> 
            <div> 
              <p> Indicates a resource where payment is accepted.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">pingback
            <a name="iana-link-relations-pingback"> </a> 
          </td> 
          <td> Gives the address of the pingback resource for the link context.</td> 
          <td> 
            <div> 
              <p> Gives the address of the pingback resource for the link context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">preconnect
            <a name="iana-link-relations-preconnect"> </a> 
          </td> 
          <td> Used to indicate an origin that will be used to fetch required 
      resources for the link context. Initiating an early connection, which 
      includes the DNS lookup, TCP handshake, and optional TLS negotiation, 
      allows the user agent to mask the high latency costs of establishing a 
      connection.</td> 
          <td> 
            <div> 
              <p> Used to indicate an origin that will be used to fetch required
resources for the link context. Initiating an early connection, which
includes the DNS lookup, TCP handshake, and optional TLS negotiation,
allows the user agent to mask the high latency costs of establishing a
connection.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">predecessor-version
            <a name="iana-link-relations-predecessor-version"> </a> 
          </td> 
          <td> Points to a resource containing the predecessor
      version in the version history.
    </td> 
          <td> 
            <div> 
              <p> Points to a resource containing the predecessor
version in the version history.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">prefetch
            <a name="iana-link-relations-prefetch"> </a> 
          </td> 
          <td> The prefetch link relation type is used to identify a resource 
      that might be required by the next navigation from the link context, and
             
      that the user agent ought to fetch, such that the user agent can deliver
             a 
      faster response once the resource is requested in the future.</td> 
          <td> 
            <div> 
              <p> The prefetch link relation type is used to identify a resource
that might be required by the next navigation from the link context, and
that the user agent ought to fetch, such that the user agent can deliver a
faster response once the resource is requested in the future.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">preload
            <a name="iana-link-relations-preload"> </a> 
          </td> 
          <td> Refers to a resource that should be loaded early in the 
      processing of the link's context, without blocking rendering.</td> 
          <td> 
            <div> 
              <p> Refers to a resource that should be loaded early in the
processing of the link's context, without blocking rendering.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">prerender
            <a name="iana-link-relations-prerender"> </a> 
          </td> 
          <td> Used to identify a resource that might be required by the next 
      navigation from the link context, and that the user agent ought to fetch
             
      and execute, such that the user agent can deliver a faster response once
             
      the resource is requested in the future.</td> 
          <td> 
            <div> 
              <p> Used to identify a resource that might be required by the next
navigation from the link context, and that the user agent ought to fetch
and execute, such that the user agent can deliver a faster response once
the resource is requested in the future.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">prev
            <a name="iana-link-relations-prev"> </a> 
          </td> 
          <td> Indicates that the link's context is a part of a series, and
      that the previous in the series is the link target.
    </td> 
          <td> 
            <div> 
              <p> Indicates that the link's context is a part of a series, and
that the previous in the series is the link target.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">preview
            <a name="iana-link-relations-preview"> </a> 
          </td> 
          <td> Refers to a resource that provides a preview of the link's context.</td> 
          <td> 
            <div> 
              <p> Refers to a resource that provides a preview of the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">previous
            <a name="iana-link-relations-previous"> </a> 
          </td> 
          <td> Refers to the previous resource in an ordered series
      of resources.  Synonym for &quot;prev&quot;.</td> 
          <td> 
            <div> 
              <p> Refers to the previous resource in an ordered series
of resources.  Synonym for &quot;prev&quot;.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">prev-archive
            <a name="iana-link-relations-prev-archive"> </a> 
          </td> 
          <td> Refers to the immediately preceding archive resource.</td> 
          <td> 
            <div> 
              <p> Refers to the immediately preceding archive resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">privacy-policy
            <a name="iana-link-relations-privacy-policy"> </a> 
          </td> 
          <td> Refers to a privacy policy associated with the link's context.</td> 
          <td> 
            <div> 
              <p> Refers to a privacy policy associated with the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">profile
            <a name="iana-link-relations-profile"> </a> 
          </td> 
          <td> Identifying that a resource representation conforms
to a certain profile, without affecting the non-profile semantics
of the resource representation.</td> 
          <td> 
            <div> 
              <p> Identifying that a resource representation conforms
to a certain profile, without affecting the non-profile semantics
of the resource representation.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">publication
            <a name="iana-link-relations-publication"> </a> 
          </td> 
          <td> Links to a publication manifest. A manifest represents 
      structured information about a publication, such as informative metadata,
             
      a list of resources, and a default reading order.</td> 
          <td> 
            <div> 
              <p> Links to a publication manifest. A manifest represents
structured information about a publication, such as informative metadata,
a list of resources, and a default reading order.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">related
            <a name="iana-link-relations-related"> </a> 
          </td> 
          <td> Identifies a related resource.</td> 
          <td> 
            <div> 
              <p> Identifies a related resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">restconf
            <a name="iana-link-relations-restconf"> </a> 
          </td> 
          <td> Identifies the root of RESTCONF API as configured on this HTTP server.
      The &quot;restconf&quot; relation defines the root of the API defined in
             RFC8040.
      Subsequent revisions of RESTCONF will use alternate relation values to support
             
      protocol versioning.</td> 
          <td> 
            <div> 
              <p> Identifies the root of RESTCONF API as configured on this HTTP server.
The &quot;restconf&quot; relation defines the root of the API defined in RFC8040.
Subsequent revisions of RESTCONF will use alternate relation values to support
protocol versioning.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">replies
            <a name="iana-link-relations-replies"> </a> 
          </td> 
          <td> Identifies a resource that is a reply to the context
      of the link.
    </td> 
          <td> 
            <div> 
              <p> Identifies a resource that is a reply to the context
of the link.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">ruleinput
            <a name="iana-link-relations-ruleinput"> </a> 
          </td> 
          <td> The resource identified by the link target provides an input value to an 
    instance of a rule, where the resource which represents the rule instance is
             
    identified by the link context.
    </td> 
          <td> 
            <div> 
              <p> The resource identified by the link target provides an input value to an
instance of a rule, where the resource which represents the rule instance is
identified by the link context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">search
            <a name="iana-link-relations-search"> </a> 
          </td> 
          <td> Refers to a resource that can be used to search through
      the link's context and related resources.</td> 
          <td> 
            <div> 
              <p> Refers to a resource that can be used to search through
the link's context and related resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">section
            <a name="iana-link-relations-section"> </a> 
          </td> 
          <td> Refers to a section in a collection of resources.</td> 
          <td> 
            <div> 
              <p> Refers to a section in a collection of resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">self
            <a name="iana-link-relations-self"> </a> 
          </td> 
          <td> Conveys an identifier for the link's context.
    </td> 
          <td> 
            <div> 
              <p> Conveys an identifier for the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">service
            <a name="iana-link-relations-service"> </a> 
          </td> 
          <td> Indicates a URI that can be used to retrieve a
      service document.</td> 
          <td> 
            <div> 
              <p> Indicates a URI that can be used to retrieve a
service document.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">service-desc
            <a name="iana-link-relations-service-desc"> </a> 
          </td> 
          <td> Identifies service description for the context that
      is primarily intended for consumption by machines.</td> 
          <td> 
            <div> 
              <p> Identifies service description for the context that
is primarily intended for consumption by machines.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">service-doc
            <a name="iana-link-relations-service-doc"> </a> 
          </td> 
          <td> Identifies service documentation for the context that
      is primarily intended for human consumption.</td> 
          <td> 
            <div> 
              <p> Identifies service documentation for the context that
is primarily intended for human consumption.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">service-meta
            <a name="iana-link-relations-service-meta"> </a> 
          </td> 
          <td> Identifies general metadata for the context that is
      primarily intended for consumption by machines.</td> 
          <td> 
            <div> 
              <p> Identifies general metadata for the context that is
primarily intended for consumption by machines.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">sponsored
            <a name="iana-link-relations-sponsored"> </a> 
          </td> 
          <td> Refers to a resource that is within a context that is 
    sponsored (such as advertising or another compensation agreement).</td> 
          <td> 
            <div> 
              <p> Refers to a resource that is within a context that is
sponsored (such as advertising or another compensation agreement).</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">start
            <a name="iana-link-relations-start"> </a> 
          </td> 
          <td> Refers to the first resource in a collection of
      resources.</td> 
          <td> 
            <div> 
              <p> Refers to the first resource in a collection of
resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">status
            <a name="iana-link-relations-status"> </a> 
          </td> 
          <td> Identifies a resource that represents the context's
      status.</td> 
          <td> 
            <div> 
              <p> Identifies a resource that represents the context's
status.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">stylesheet
            <a name="iana-link-relations-stylesheet"> </a> 
          </td> 
          <td> Refers to a stylesheet.</td> 
          <td> 
            <div> 
              <p> Refers to a stylesheet.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">subsection
            <a name="iana-link-relations-subsection"> </a> 
          </td> 
          <td> Refers to a resource serving as a subsection in a
      collection of resources.</td> 
          <td> 
            <div> 
              <p> Refers to a resource serving as a subsection in a
collection of resources.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">successor-version
            <a name="iana-link-relations-successor-version"> </a> 
          </td> 
          <td> Points to a resource containing the successor version
      in the version history.
    </td> 
          <td> 
            <div> 
              <p> Points to a resource containing the successor version
in the version history.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">sunset
            <a name="iana-link-relations-sunset"> </a> 
          </td> 
          <td> Identifies a resource that provides information about
      the context's retirement policy.
    </td> 
          <td> 
            <div> 
              <p> Identifies a resource that provides information about
the context's retirement policy.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">tag
            <a name="iana-link-relations-tag"> </a> 
          </td> 
          <td> Gives a tag (identified by the given address) that applies to
      the current document.
    </td> 
          <td> 
            <div> 
              <p> Gives a tag (identified by the given address) that applies to
the current document.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">terms-of-service
            <a name="iana-link-relations-terms-of-service"> </a> 
          </td> 
          <td> Refers to the terms of service associated with the link's context.</td> 
          <td> 
            <div> 
              <p> Refers to the terms of service associated with the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">timegate
            <a name="iana-link-relations-timegate"> </a> 
          </td> 
          <td> The Target IRI points to a TimeGate for an Original Resource.</td> 
          <td> 
            <div> 
              <p> The Target IRI points to a TimeGate for an Original Resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">timemap
            <a name="iana-link-relations-timemap"> </a> 
          </td> 
          <td> The Target IRI points to a TimeMap for an Original Resource.</td> 
          <td> 
            <div> 
              <p> The Target IRI points to a TimeMap for an Original Resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">type
            <a name="iana-link-relations-type"> </a> 
          </td> 
          <td> Refers to a resource identifying the abstract semantic type of which the link's
             context is considered to be an instance.</td> 
          <td> 
            <div> 
              <p> Refers to a resource identifying the abstract semantic type of which the link's
                 context is considered to be an instance.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">ugc
            <a name="iana-link-relations-ugc"> </a> 
          </td> 
          <td> Refers to a resource that is within a context that is User Generated Content.
    </td> 
          <td> 
            <div> 
              <p> Refers to a resource that is within a context that is User Generated Content.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">up
            <a name="iana-link-relations-up"> </a> 
          </td> 
          <td> Refers to a parent document in a hierarchy of
      documents.
    </td> 
          <td> 
            <div> 
              <p> Refers to a parent document in a hierarchy of
documents.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">version-history
            <a name="iana-link-relations-version-history"> </a> 
          </td> 
          <td> Points to a resource containing the version history
      for the context.
    </td> 
          <td> 
            <div> 
              <p> Points to a resource containing the version history
for the context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">via
            <a name="iana-link-relations-via"> </a> 
          </td> 
          <td> Identifies a resource that is the source of the
      information in the link's context.
    </td> 
          <td> 
            <div> 
              <p> Identifies a resource that is the source of the
information in the link's context.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">webmention
            <a name="iana-link-relations-webmention"> </a> 
          </td> 
          <td> Identifies a target URI that supports the Webmention protocol.
    This allows clients that mention a resource in some form of publishing process
    to contact that endpoint and inform it that this resource has been mentioned.</td> 
          <td> 
            <div> 
              <p> Identifies a target URI that supports the Webmention protocol.
This allows clients that mention a resource in some form of publishing process
to contact that endpoint and inform it that this resource has been mentioned.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">working-copy
            <a name="iana-link-relations-working-copy"> </a> 
          </td> 
          <td> Points to a working copy for this resource.</td> 
          <td> 
            <div> 
              <p> Points to a working copy for this resource.</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">working-copy-of
            <a name="iana-link-relations-working-copy-of"> </a> 
          </td> 
          <td> Points to the versioned resource from which this
      working copy was obtained.
    </td> 
          <td> 
            <div> 
              <p> Points to the versioned resource from which this
working copy was obtained.</p> 

            </div> 
          </td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
    <valueCode value="4.0.0"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="5"/> 
  </extension> 
  <url value="http://hl7.org/fhir/CodeSystem/iana-link-relations"/> 
  <version value="6.0.0-cibuild"/> 
  <name value="LinkRelationTypes"/> 
  <title value="Link Relation Types"/> 
  <status value="active"/> 
  <experimental value="false"/> 
  <publisher value="Internet Assigned Numbers Authority (IANA)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="https://www.iana.org/assignments/link-relations/link-relations.xhtml#link-relations-1"/> 
    </telecom> 
  </contact> 
  <description value="Link Relation Types defined at https://www.iana.org/assignments/link-relations/link-relations
  .xhtml#link-relations-1"/> 
  <jurisdiction> 
    <coding> 
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> 
      <code value="001"/> 
      <display value="World"/> 
    </coding> 
  </jurisdiction> 
  <caseSensitive value="true"/> 
  <content value="complete"/> 
  <concept> 
    <code value="about"/> 
    <display value="Refers to a resource that is the subject of the link's context."/> 
    <definition value="Refers to a resource that is the subject of the link's context."/> 
  </concept> 
  <concept> 
    <code value="acl"/> 
    <display value="Asserts that the link target provides an access control description for the link
     context."/> 
    <definition value="Asserts that the link target provides an access control description for the link
     context."/> 
  </concept> 
  <concept> 
    <code value="alternate"/> 
    <display value="Refers to a substitute for this context"/> 
    <definition value="Refers to a substitute for this context"/> 
  </concept> 
  <concept> 
    <code value="amphtml"/> 
    <display value="Used to reference alternative content that uses the AMP profile of the HTML format."/> 
    <definition value="Used to reference alternative content that uses the AMP profile of the HTML format."/> 
  </concept> 
  <concept> 
    <code value="appendix"/> 
    <display value="Refers to an appendix."/> 
    <definition value="Refers to an appendix."/> 
  </concept> 
  <concept> 
    <code value="apple-touch-icon"/> 
    <display value="Refers to an icon for the context. Synonym for icon."/> 
    <definition value="Refers to an icon for the context. Synonym for icon."/> 
  </concept> 
  <concept> 
    <code value="apple-touch-startup-image"/> 
    <display value="Refers to a launch screen for the context."/> 
    <definition value="Refers to a launch screen for the context."/> 
  </concept> 
  <concept> 
    <code value="archives"/> 
    <display value="Refers to a collection of records, documents, or other
      materials of historical interest."/> 
    <definition value="Refers to a collection of records, documents, or other
      materials of historical interest."/> 
  </concept> 
  <concept> 
    <code value="author"/> 
    <display value="Refers to the context's author."/> 
    <definition value="Refers to the context's author."/> 
  </concept> 
  <concept> 
    <code value="blocked-by"/> 
    <display value="Identifies the entity that blocks access to a resource
      following receipt of a legal demand."/> 
    <definition value="Identifies the entity that blocks access to a resource
      following receipt of a legal demand."/> 
  </concept> 
  <concept> 
    <code value="bookmark"/> 
    <display value="Gives a permanent link to use for bookmarking purposes."/> 
    <definition value="Gives a permanent link to use for bookmarking purposes."/> 
  </concept> 
  <concept> 
    <code value="canonical"/> 
    <display value="Designates the preferred version of a resource (the IRI and its contents)."/> 
    <definition value="Designates the preferred version of a resource (the IRI and its contents)."/> 
  </concept> 
  <concept> 
    <code value="chapter"/> 
    <display value="Refers to a chapter in a collection of resources."/> 
    <definition value="Refers to a chapter in a collection of resources."/> 
  </concept> 
  <concept> 
    <code value="cite-as"/> 
    <display value="Indicates that the link target is preferred over the link context for the purpose
     of permanent citation."/> 
    <definition value="Indicates that the link target is preferred over the link context for the purpose
     of permanent citation."/> 
  </concept> 
  <concept> 
    <code value="collection"/> 
    <display value="The target IRI points to a resource which represents the collection resource for
     the context IRI."/> 
    <definition value="The target IRI points to a resource which represents the collection resource for
     the context IRI."/> 
  </concept> 
  <concept> 
    <code value="contents"/> 
    <display value="Refers to a table of contents."/> 
    <definition value="Refers to a table of contents."/> 
  </concept> 
  <concept> 
    <code value="convertedFrom"/> 
    <display value="The document linked to was later converted to the
      document that contains this link relation.  For example, an RFC can
      have a link to the Internet-Draft that became the RFC; in that case,
      the link relation would be &quot;convertedFrom&quot;."/> 
    <definition value="The document linked to was later converted to the
      document that contains this link relation.  For example, an RFC can
      have a link to the Internet-Draft that became the RFC; in that case,
      the link relation would be &quot;convertedFrom&quot;."/> 
  </concept> 
  <concept> 
    <code value="copyright"/> 
    <display value="Refers to a copyright statement that applies to the
    link's context."/> 
    <definition value="Refers to a copyright statement that applies to the
    link's context."/> 
  </concept> 
  <concept> 
    <code value="create-form"/> 
    <display value="The target IRI points to a resource where a submission form can be obtained."/> 
    <definition value="The target IRI points to a resource where a submission form can be obtained."/> 
  </concept> 
  <concept> 
    <code value="current"/> 
    <display value="Refers to a resource containing the most recent
      item(s) in a collection of resources."/> 
    <definition value="Refers to a resource containing the most recent
      item(s) in a collection of resources."/> 
  </concept> 
  <concept> 
    <code value="describedby"/> 
    <display value="Refers to a resource providing information about the
      link's context."/> 
    <definition value="Refers to a resource providing information about the
      link's context."/> 
  </concept> 
  <concept> 
    <code value="describes"/> 
    <display value="The relationship A 'describes' B asserts that
      resource A provides a description of resource B. There are no
      constraints on the format or representation of either A or B,
      neither are there any further constraints on either resource."/> 
    <definition value="The relationship A 'describes' B asserts that
      resource A provides a description of resource B. There are no
      constraints on the format or representation of either A or B,
      neither are there any further constraints on either resource."/> 
  </concept> 
  <concept> 
    <code value="disclosure"/> 
    <display value="Refers to a list of patent disclosures made with respect to 
      material for which 'disclosure' relation is specified."/> 
    <definition value="Refers to a list of patent disclosures made with respect to 
      material for which 'disclosure' relation is specified."/> 
  </concept> 
  <concept> 
    <code value="dns-prefetch"/> 
    <display value="Used to indicate an origin that will be used to fetch required 
      resources for the link context, and that the user agent ought to resolve
     
      as early as possible."/> 
    <definition value="Used to indicate an origin that will be used to fetch required 
      resources for the link context, and that the user agent ought to resolve
     
      as early as possible."/> 
  </concept> 
  <concept> 
    <code value="duplicate"/> 
    <display value="Refers to a resource whose available representations
      are byte-for-byte identical with the corresponding representations of
      the context IRI."/> 
    <definition value="Refers to a resource whose available representations
      are byte-for-byte identical with the corresponding representations of
      the context IRI."/> 
  </concept> 
  <concept> 
    <code value="edit"/> 
    <display value="Refers to a resource that can be used to edit the
      link's context."/> 
    <definition value="Refers to a resource that can be used to edit the
      link's context."/> 
  </concept> 
  <concept> 
    <code value="edit-form"/> 
    <display value="The target IRI points to a resource where a submission form for
      editing associated resource can be obtained."/> 
    <definition value="The target IRI points to a resource where a submission form for
      editing associated resource can be obtained."/> 
  </concept> 
  <concept> 
    <code value="edit-media"/> 
    <display value="Refers to a resource that can be used to edit media
      associated with the link's context."/> 
    <definition value="Refers to a resource that can be used to edit media
      associated with the link's context."/> 
  </concept> 
  <concept> 
    <code value="enclosure"/> 
    <display value="Identifies a related resource that is potentially
      large and might require special handling."/> 
    <definition value="Identifies a related resource that is potentially
      large and might require special handling."/> 
  </concept> 
  <concept> 
    <code value="external"/> 
    <display value="Refers to a resource that is not part of the same site as the current context."/> 
    <definition value="Refers to a resource that is not part of the same site as the current context."/> 
  </concept> 
  <concept> 
    <code value="first"/> 
    <display value="An IRI that refers to the furthest preceding resource
    in a series of resources."/> 
    <definition value="An IRI that refers to the furthest preceding resource
    in a series of resources."/> 
  </concept> 
  <concept> 
    <code value="glossary"/> 
    <display value="Refers to a glossary of terms."/> 
    <definition value="Refers to a glossary of terms."/> 
  </concept> 
  <concept> 
    <code value="help"/> 
    <display value="Refers to context-sensitive help."/> 
    <definition value="Refers to context-sensitive help."/> 
  </concept> 
  <concept> 
    <code value="hosts"/> 
    <display value="Refers to a resource hosted by the server indicated by
      the link context."/> 
    <definition value="Refers to a resource hosted by the server indicated by
      the link context."/> 
  </concept> 
  <concept> 
    <code value="hub"/> 
    <display value="Refers to a hub that enables registration for
    notification of updates to the context."/> 
    <definition value="Refers to a hub that enables registration for
    notification of updates to the context."/> 
  </concept> 
  <concept> 
    <code value="icon"/> 
    <display value="Refers to an icon representing the link's context."/> 
    <definition value="Refers to an icon representing the link's context."/> 
  </concept> 
  <concept> 
    <code value="index"/> 
    <display value="Refers to an index."/> 
    <definition value="Refers to an index."/> 
  </concept> 
  <concept> 
    <code value="intervalAfter"/> 
    <display value="refers to a resource associated with a time interval that ends before the beginning
     of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that ends before the beginning
     of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalBefore"/> 
    <display value="refers to a resource associated with a time interval that begins after the end
     of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins after the end
     of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalContains"/> 
    <display value="refers to a resource associated with a time interval that begins after the beginning
     of the time interval associated with the context resource, and ends before the
     end of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins after the beginning
     of the time interval associated with the context resource, and ends before the
     end of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalDisjoint"/> 
    <display value="refers to a resource associated with a time interval that begins after the end
     of the time interval associated with the context resource, or ends before the beginning
     of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins after the end
     of the time interval associated with the context resource, or ends before the beginning
     of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalDuring"/> 
    <display value="refers to a resource associated with a time interval that begins before the beginning
     of the time interval associated with the context resource, and ends after the end
     of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins before the beginning
     of the time interval associated with the context resource, and ends after the end
     of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalEquals"/> 
    <display value="refers to a resource associated with a time interval whose beginning coincides
     with the beginning of the time interval associated with the context resource, and
     whose end coincides with the end of the time interval associated with the context
     resource"/> 
    <definition value="refers to a resource associated with a time interval whose beginning coincides
     with the beginning of the time interval associated with the context resource, and
     whose end coincides with the end of the time interval associated with the context
     resource"/> 
  </concept> 
  <concept> 
    <code value="intervalFinishedBy"/> 
    <display value="refers to a resource associated with a time interval that begins after the beginning
     of the time interval associated with the context resource, and whose end coincides
     with the end of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins after the beginning
     of the time interval associated with the context resource, and whose end coincides
     with the end of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalFinishes"/> 
    <display value="refers to a resource associated with a time interval that begins before the beginning
     of the time interval associated with the context resource, and whose end coincides
     with the end of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins before the beginning
     of the time interval associated with the context resource, and whose end coincides
     with the end of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalIn"/> 
    <display value="refers to a resource associated with a time interval that begins before or is coincident
     with the beginning of the time interval associated with the context resource, and
     ends after or is coincident with the end of the time interval associated with the
     context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins before or is coincident
     with the beginning of the time interval associated with the context resource, and
     ends after or is coincident with the end of the time interval associated with the
     context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalMeets"/> 
    <display value="refers to a resource associated with a time interval whose beginning coincides
     with the end of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval whose beginning coincides
     with the end of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalMetBy"/> 
    <display value="refers to a resource associated with a time interval whose end coincides with the
     beginning of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval whose end coincides with the
     beginning of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalOverlappedBy"/> 
    <display value="refers to a resource associated with a time interval that begins before the beginning
     of the time interval associated with the context resource, and ends after the beginning
     of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins before the beginning
     of the time interval associated with the context resource, and ends after the beginning
     of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalOverlaps"/> 
    <display value="refers to a resource associated with a time interval that begins before the end
     of the time interval associated with the context resource, and ends after the end
     of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval that begins before the end
     of the time interval associated with the context resource, and ends after the end
     of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalStartedBy"/> 
    <display value="refers to a resource associated with a time interval whose beginning coincides
     with the beginning of the time interval associated with the context resource, and
     ends before the end of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval whose beginning coincides
     with the beginning of the time interval associated with the context resource, and
     ends before the end of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="intervalStarts"/> 
    <display value="refers to a resource associated with a time interval whose beginning coincides
     with the beginning of the time interval associated with the context resource, and
     ends after the end of the time interval associated with the context resource"/> 
    <definition value="refers to a resource associated with a time interval whose beginning coincides
     with the beginning of the time interval associated with the context resource, and
     ends after the end of the time interval associated with the context resource"/> 
  </concept> 
  <concept> 
    <code value="item"/> 
    <display value="The target IRI points to a resource that is a member of the collection represented
     by the context IRI."/> 
    <definition value="The target IRI points to a resource that is a member of the collection represented
     by the context IRI."/> 
  </concept> 
  <concept> 
    <code value="last"/> 
    <display value="An IRI that refers to the furthest following resource
      in a series of resources."/> 
    <definition value="An IRI that refers to the furthest following resource
      in a series of resources."/> 
  </concept> 
  <concept> 
    <code value="latest-version"/> 
    <display value="Points to a resource containing the latest (e.g.,
      current) version of the context."/> 
    <definition value="Points to a resource containing the latest (e.g.,
      current) version of the context."/> 
  </concept> 
  <concept> 
    <code value="license"/> 
    <display value="Refers to a license associated with this context."/> 
    <definition value="Refers to a license associated with this context."/> 
  </concept> 
  <concept> 
    <code value="linkset"/> 
    <display value="The link target of a link with the &quot;linkset&quot; relation
      type provides a set of links, including links in which the link
      context of the link participates.
    "/> 
    <definition value="The link target of a link with the &quot;linkset&quot; relation
      type provides a set of links, including links in which the link
      context of the link participates.
    "/> 
  </concept> 
  <concept> 
    <code value="lrdd"/> 
    <display value="Refers to further information about the link's context,
      expressed as a LRDD (&quot;Link-based Resource Descriptor Document&quot;)
      resource.  See  for information about
      processing this relation type in host-meta documents. When used
      elsewhere, it refers to additional links and other metadata.
      Multiple instances indicate additional LRDD resources. LRDD
      resources MUST have an &quot;application/xrd+xml&quot; representation, and
      MAY have others."/> 
    <definition value="Refers to further information about the link's context,
      expressed as a LRDD (&quot;Link-based Resource Descriptor Document&quot;)
      resource.  See  for information about
      processing this relation type in host-meta documents. When used
      elsewhere, it refers to additional links and other metadata.
      Multiple instances indicate additional LRDD resources. LRDD
      resources MUST have an &quot;application/xrd+xml&quot; representation, and
      MAY have others."/> 
  </concept> 
  <concept> 
    <code value="manifest"/> 
    <display value="Links to a manifest file for the context."/> 
    <definition value="Links to a manifest file for the context."/> 
  </concept> 
  <concept> 
    <code value="mask-icon"/> 
    <display value="Refers to a mask that can be applied to the icon for the context."/> 
    <definition value="Refers to a mask that can be applied to the icon for the context."/> 
  </concept> 
  <concept> 
    <code value="media-feed"/> 
    <display value="Refers to a feed of personalised media recommendations relevant to the link context."/> 
    <definition value="Refers to a feed of personalised media recommendations relevant to the link context."/> 
  </concept> 
  <concept> 
    <code value="memento"/> 
    <display value="The Target IRI points to a Memento, a fixed resource that will not change state
     anymore."/> 
    <definition value="The Target IRI points to a Memento, a fixed resource that will not change state
     anymore."/> 
  </concept> 
  <concept> 
    <code value="micropub"/> 
    <display value="Links to the context's Micropub endpoint."/> 
    <definition value="Links to the context's Micropub endpoint."/> 
  </concept> 
  <concept> 
    <code value="modulepreload"/> 
    <display value="Refers to a module that the user agent is to preemptively fetch and store for use
     in the current context."/> 
    <definition value="Refers to a module that the user agent is to preemptively fetch and store for use
     in the current context."/> 
  </concept> 
  <concept> 
    <code value="monitor"/> 
    <display value="Refers to a resource that can be used to monitor changes in an HTTP resource.
    "/> 
    <definition value="Refers to a resource that can be used to monitor changes in an HTTP resource.
    "/> 
  </concept> 
  <concept> 
    <code value="monitor-group"/> 
    <display value="Refers to a resource that can be used to monitor changes in a specified group of
     HTTP resources.
    "/> 
    <definition value="Refers to a resource that can be used to monitor changes in a specified group of
     HTTP resources.
    "/> 
  </concept> 
  <concept> 
    <code value="next"/> 
    <display value="Indicates that the link's context is a part of a series, and
      that the next in the series is the link target.
    "/> 
    <definition value="Indicates that the link's context is a part of a series, and
      that the next in the series is the link target.
    "/> 
  </concept> 
  <concept> 
    <code value="next-archive"/> 
    <display value="Refers to the immediately following archive resource."/> 
    <definition value="Refers to the immediately following archive resource."/> 
  </concept> 
  <concept> 
    <code value="nofollow"/> 
    <display value="Indicates that the context’s original author or publisher does not endorse the
     link target."/> 
    <definition value="Indicates that the context’s original author or publisher does not endorse the
     link target."/> 
  </concept> 
  <concept> 
    <code value="noopener"/> 
    <display value="Indicates that any newly created top-level browsing context which results from
     following the link will not be an auxiliary browsing context."/> 
    <definition value="Indicates that any newly created top-level browsing context which results from
     following the link will not be an auxiliary browsing context."/> 
  </concept> 
  <concept> 
    <code value="noreferrer"/> 
    <display value="Indicates that no referrer information is to be leaked when following the link."/> 
    <definition value="Indicates that no referrer information is to be leaked when following the link."/> 
  </concept> 
  <concept> 
    <code value="opener"/> 
    <display value="Indicates that any newly created top-level browsing context which results from
     following the link will be an auxiliary browsing context."/> 
    <definition value="Indicates that any newly created top-level browsing context which results from
     following the link will be an auxiliary browsing context."/> 
  </concept> 
  <concept> 
    <code value="openid2.local_id"/> 
    <display value="Refers to an OpenID Authentication server on which the context relies for an assertion
     that the end user controls an Identifier."/> 
    <definition value="Refers to an OpenID Authentication server on which the context relies for an assertion
     that the end user controls an Identifier."/> 
  </concept> 
  <concept> 
    <code value="openid2.provider"/> 
    <display value="Refers to a resource which accepts OpenID Authentication protocol messages for
     the context."/> 
    <definition value="Refers to a resource which accepts OpenID Authentication protocol messages for
     the context."/> 
  </concept> 
  <concept> 
    <code value="original"/> 
    <display value="The Target IRI points to an Original Resource."/> 
    <definition value="The Target IRI points to an Original Resource."/> 
  </concept> 
  <concept> 
    <code value="P3Pv1"/> 
    <display value="Refers to a P3P privacy policy for the context."/> 
    <definition value="Refers to a P3P privacy policy for the context."/> 
  </concept> 
  <concept> 
    <code value="payment"/> 
    <display value="Indicates a resource where payment is accepted."/> 
    <definition value="Indicates a resource where payment is accepted."/> 
  </concept> 
  <concept> 
    <code value="pingback"/> 
    <display value="Gives the address of the pingback resource for the link context."/> 
    <definition value="Gives the address of the pingback resource for the link context."/> 
  </concept> 
  <concept> 
    <code value="preconnect"/> 
    <display value="Used to indicate an origin that will be used to fetch required 
      resources for the link context. Initiating an early connection, which 
      includes the DNS lookup, TCP handshake, and optional TLS negotiation, 
      allows the user agent to mask the high latency costs of establishing a 
      connection."/> 
    <definition value="Used to indicate an origin that will be used to fetch required 
      resources for the link context. Initiating an early connection, which 
      includes the DNS lookup, TCP handshake, and optional TLS negotiation, 
      allows the user agent to mask the high latency costs of establishing a 
      connection."/> 
  </concept> 
  <concept> 
    <code value="predecessor-version"/> 
    <display value="Points to a resource containing the predecessor
      version in the version history.
    "/> 
    <definition value="Points to a resource containing the predecessor
      version in the version history.
    "/> 
  </concept> 
  <concept> 
    <code value="prefetch"/> 
    <display value="The prefetch link relation type is used to identify a resource 
      that might be required by the next navigation from the link context, and
     
      that the user agent ought to fetch, such that the user agent can deliver
     a 
      faster response once the resource is requested in the future."/> 
    <definition value="The prefetch link relation type is used to identify a resource 
      that might be required by the next navigation from the link context, and
     
      that the user agent ought to fetch, such that the user agent can deliver
     a 
      faster response once the resource is requested in the future."/> 
  </concept> 
  <concept> 
    <code value="preload"/> 
    <display value="Refers to a resource that should be loaded early in the 
      processing of the link's context, without blocking rendering."/> 
    <definition value="Refers to a resource that should be loaded early in the 
      processing of the link's context, without blocking rendering."/> 
  </concept> 
  <concept> 
    <code value="prerender"/> 
    <display value="Used to identify a resource that might be required by the next 
      navigation from the link context, and that the user agent ought to fetch
     
      and execute, such that the user agent can deliver a faster response once
     
      the resource is requested in the future."/> 
    <definition value="Used to identify a resource that might be required by the next 
      navigation from the link context, and that the user agent ought to fetch
     
      and execute, such that the user agent can deliver a faster response once
     
      the resource is requested in the future."/> 
  </concept> 
  <concept> 
    <code value="prev"/> 
    <display value="Indicates that the link's context is a part of a series, and
      that the previous in the series is the link target.
    "/> 
    <definition value="Indicates that the link's context is a part of a series, and
      that the previous in the series is the link target.
    "/> 
  </concept> 
  <concept> 
    <code value="preview"/> 
    <display value="Refers to a resource that provides a preview of the link's context."/> 
    <definition value="Refers to a resource that provides a preview of the link's context."/> 
  </concept> 
  <concept> 
    <code value="previous"/> 
    <display value="Refers to the previous resource in an ordered series
      of resources.  Synonym for &quot;prev&quot;."/> 
    <definition value="Refers to the previous resource in an ordered series
      of resources.  Synonym for &quot;prev&quot;."/> 
  </concept> 
  <concept> 
    <code value="prev-archive"/> 
    <display value="Refers to the immediately preceding archive resource."/> 
    <definition value="Refers to the immediately preceding archive resource."/> 
  </concept> 
  <concept> 
    <code value="privacy-policy"/> 
    <display value="Refers to a privacy policy associated with the link's context."/> 
    <definition value="Refers to a privacy policy associated with the link's context."/> 
  </concept> 
  <concept> 
    <code value="profile"/> 
    <display value="Identifying that a resource representation conforms
to a certain profile, without affecting the non-profile semantics
of the resource representation."/> 
    <definition value="Identifying that a resource representation conforms
to a certain profile, without affecting the non-profile semantics
of the resource representation."/> 
  </concept> 
  <concept> 
    <code value="publication"/> 
    <display value="Links to a publication manifest. A manifest represents 
      structured information about a publication, such as informative metadata,
     
      a list of resources, and a default reading order."/> 
    <definition value="Links to a publication manifest. A manifest represents 
      structured information about a publication, such as informative metadata,
     
      a list of resources, and a default reading order."/> 
  </concept> 
  <concept> 
    <code value="related"/> 
    <display value="Identifies a related resource."/> 
    <definition value="Identifies a related resource."/> 
  </concept> 
  <concept> 
    <code value="restconf"/> 
    <display value="Identifies the root of RESTCONF API as configured on this HTTP server.
      The &quot;restconf&quot; relation defines the root of the API defined in
     RFC8040.
      Subsequent revisions of RESTCONF will use alternate relation values to support
     
      protocol versioning."/> 
    <definition value="Identifies the root of RESTCONF API as configured on this HTTP server.
      The &quot;restconf&quot; relation defines the root of the API defined in
     RFC8040.
      Subsequent revisions of RESTCONF will use alternate relation values to support
     
      protocol versioning."/> 
  </concept> 
  <concept> 
    <code value="replies"/> 
    <display value="Identifies a resource that is a reply to the context
      of the link.
    "/> 
    <definition value="Identifies a resource that is a reply to the context
      of the link.
    "/> 
  </concept> 
  <concept> 
    <code value="ruleinput"/> 
    <display value="The resource identified by the link target provides an input value to an 
    instance of a rule, where the resource which represents the rule instance is
     
    identified by the link context.
    "/> 
    <definition value="The resource identified by the link target provides an input value to an 
    instance of a rule, where the resource which represents the rule instance is
     
    identified by the link context.
    "/> 
  </concept> 
  <concept> 
    <code value="search"/> 
    <display value="Refers to a resource that can be used to search through
      the link's context and related resources."/> 
    <definition value="Refers to a resource that can be used to search through
      the link's context and related resources."/> 
  </concept> 
  <concept> 
    <code value="section"/> 
    <display value="Refers to a section in a collection of resources."/> 
    <definition value="Refers to a section in a collection of resources."/> 
  </concept> 
  <concept> 
    <code value="self"/> 
    <display value="Conveys an identifier for the link's context.
    "/> 
    <definition value="Conveys an identifier for the link's context.
    "/> 
  </concept> 
  <concept> 
    <code value="service"/> 
    <display value="Indicates a URI that can be used to retrieve a
      service document."/> 
    <definition value="Indicates a URI that can be used to retrieve a
      service document."/> 
  </concept> 
  <concept> 
    <code value="service-desc"/> 
    <display value="Identifies service description for the context that
      is primarily intended for consumption by machines."/> 
    <definition value="Identifies service description for the context that
      is primarily intended for consumption by machines."/> 
  </concept> 
  <concept> 
    <code value="service-doc"/> 
    <display value="Identifies service documentation for the context that
      is primarily intended for human consumption."/> 
    <definition value="Identifies service documentation for the context that
      is primarily intended for human consumption."/> 
  </concept> 
  <concept> 
    <code value="service-meta"/> 
    <display value="Identifies general metadata for the context that is
      primarily intended for consumption by machines."/> 
    <definition value="Identifies general metadata for the context that is
      primarily intended for consumption by machines."/> 
  </concept> 
  <concept> 
    <code value="sponsored"/> 
    <display value="Refers to a resource that is within a context that is 
    sponsored (such as advertising or another compensation agreement)."/> 
    <definition value="Refers to a resource that is within a context that is 
    sponsored (such as advertising or another compensation agreement)."/> 
  </concept> 
  <concept> 
    <code value="start"/> 
    <display value="Refers to the first resource in a collection of
      resources."/> 
    <definition value="Refers to the first resource in a collection of
      resources."/> 
  </concept> 
  <concept> 
    <code value="status"/> 
    <display value="Identifies a resource that represents the context's
      status."/> 
    <definition value="Identifies a resource that represents the context's
      status."/> 
  </concept> 
  <concept> 
    <code value="stylesheet"/> 
    <display value="Refers to a stylesheet."/> 
    <definition value="Refers to a stylesheet."/> 
  </concept> 
  <concept> 
    <code value="subsection"/> 
    <display value="Refers to a resource serving as a subsection in a
      collection of resources."/> 
    <definition value="Refers to a resource serving as a subsection in a
      collection of resources."/> 
  </concept> 
  <concept> 
    <code value="successor-version"/> 
    <display value="Points to a resource containing the successor version
      in the version history.
    "/> 
    <definition value="Points to a resource containing the successor version
      in the version history.
    "/> 
  </concept> 
  <concept> 
    <code value="sunset"/> 
    <display value="Identifies a resource that provides information about
      the context's retirement policy.
    "/> 
    <definition value="Identifies a resource that provides information about
      the context's retirement policy.
    "/> 
  </concept> 
  <concept> 
    <code value="tag"/> 
    <display value="Gives a tag (identified by the given address) that applies to
      the current document.
    "/> 
    <definition value="Gives a tag (identified by the given address) that applies to
      the current document.
    "/> 
  </concept> 
  <concept> 
    <code value="terms-of-service"/> 
    <display value="Refers to the terms of service associated with the link's context."/> 
    <definition value="Refers to the terms of service associated with the link's context."/> 
  </concept> 
  <concept> 
    <code value="timegate"/> 
    <display value="The Target IRI points to a TimeGate for an Original Resource."/> 
    <definition value="The Target IRI points to a TimeGate for an Original Resource."/> 
  </concept> 
  <concept> 
    <code value="timemap"/> 
    <display value="The Target IRI points to a TimeMap for an Original Resource."/> 
    <definition value="The Target IRI points to a TimeMap for an Original Resource."/> 
  </concept> 
  <concept> 
    <code value="type"/> 
    <display value="Refers to a resource identifying the abstract semantic type of which the link's
     context is considered to be an instance."/> 
    <definition value="Refers to a resource identifying the abstract semantic type of which the link's
     context is considered to be an instance."/> 
  </concept> 
  <concept> 
    <code value="ugc"/> 
    <display value="Refers to a resource that is within a context that is User Generated Content.
    "/> 
    <definition value="Refers to a resource that is within a context that is User Generated Content.
    "/> 
  </concept> 
  <concept> 
    <code value="up"/> 
    <display value="Refers to a parent document in a hierarchy of
      documents.
    "/> 
    <definition value="Refers to a parent document in a hierarchy of
      documents.
    "/> 
  </concept> 
  <concept> 
    <code value="version-history"/> 
    <display value="Points to a resource containing the version history
      for the context.
    "/> 
    <definition value="Points to a resource containing the version history
      for the context.
    "/> 
  </concept> 
  <concept> 
    <code value="via"/> 
    <display value="Identifies a resource that is the source of the
      information in the link's context.
    "/> 
    <definition value="Identifies a resource that is the source of the
      information in the link's context.
    "/> 
  </concept> 
  <concept> 
    <code value="webmention"/> 
    <display value="Identifies a target URI that supports the Webmention protocol.
    This allows clients that mention a resource in some form of publishing process
    to contact that endpoint and inform it that this resource has been mentioned."/> 
    <definition value="Identifies a target URI that supports the Webmention protocol.
    This allows clients that mention a resource in some form of publishing process
    to contact that endpoint and inform it that this resource has been mentioned."/> 
  </concept> 
  <concept> 
    <code value="working-copy"/> 
    <display value="Points to a working copy for this resource."/> 
    <definition value="Points to a working copy for this resource."/> 
  </concept> 
  <concept> 
    <code value="working-copy-of"/> 
    <display value="Points to the versioned resource from which this
      working copy was obtained.
    "/> 
    <definition value="Points to the versioned resource from which this
      working copy was obtained.
    "/> 
  </concept> 
</CodeSystem> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.