Reference Architecture
0.2.0 - ci-build International flag

Reference Architecture, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-ra/ and changes regularly. See the Directory of published versions

: Interoperability Layer - TTL Representation

Active as of 2026-07-09

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

<http://hl7.org/fhir/ActorDefinition/InteroperabilityLayer> a fhir:ActorDefinition ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "InteroperabilityLayer"] ;
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ] ;
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ActorDefinition InteroperabilityLayer</b></p><a name=\"InteroperabilityLayer\"> </a><a name=\"hcInteroperabilityLayer\"> </a><table class=\"grid\"><tr><td><b>Actor: Interoperability Layer </b></td><td>Interoperability Layer</td><td>Type: system </td></tr><tr><td colspan=\"3\"/></tr></table></div>"
  ] ;
  fhir:ActorDefinition.url [ fhir:value "http://smart.who.int/ra/ActorDefinition/InteroperabilityLayer"] ;
  fhir:ActorDefinition.version [ fhir:value "0.2.0"] ;
  fhir:ActorDefinition.name [ fhir:value "Interoperability Layer"] ;
  fhir:ActorDefinition.title [ fhir:value "Interoperability Layer"] ;
  fhir:ActorDefinition.status [ fhir:value "active"] ;
  fhir:ActorDefinition.experimental [ fhir:value "false"^^xsd:boolean] ;
  fhir:ActorDefinition.date [ fhir:value "2026-07-09T21:29:28+00:00"^^xsd:dateTime] ;
  fhir:ActorDefinition.publisher [ fhir:value "WHO"] ;
  fhir:ActorDefinition.contact [
     fhir:index 0 ;
     fhir:ContactDetail.name [ fhir:value "WHO" ] ;
     fhir:ContactDetail.telecom [
       fhir:index 0 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "http://who.int" ]
     ]
  ] ;
  fhir:ActorDefinition.description [ fhir:value "A component that enables communication of services across domains and organizations, This MMAY include:  \n - Service discovery and identification  \n - Service identity life cycle management  \n - Encryption of service to service communications  \n - Authentication, authorization and permissions at the service level (not application or user level)  \n - Service monitoring and transaction logging  \n\nDepending on the governance requirements, this layer may also include tools to centralize service logic including message routing, workflow and service orchestration, and message translation."] ;
  fhir:ActorDefinition.jurisdiction [
     fhir:index 0 ;
     fhir:CodeableConcept.coding [
       fhir:index 0 ;
       fhir:Coding.system [ fhir:value "http://unstats.un.org/unsd/methods/m49/m49.htm" ] ;
       fhir:Coding.code [ fhir:value "001" ] ;
       fhir:Coding.display [ fhir:value "World" ]
     ]
  ] ;
  fhir:ActorDefinition.type [ fhir:value "system"] .

# - ontology header ------------------------------------------------------------

<http://hl7.org/fhir/ActorDefinition/InteroperabilityLayer.ttl> a owl:Ontology ;
  owl:imports fhir:fhir.ttl ;
  owl:versionIRI <http://build.fhir.org/ActorDefinition/InteroperabilityLayer.ttl> .