HL7 Terminology (THO)
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: Internationalized Resource Identifier (IRI) - XML Representation

Active as of 2023-03-16

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<NamingSystem xmlns="http://hl7.org/fhir">
  <id value="iri"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: NamingSystem iri</b></p><a name="iri"> </a><a name="hciri"> </a><a name="iri-en-US"> </a><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/iri</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>IRI</td></tr><tr><td>Title</td><td>Internationalized Resource Identifier (IRI)</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>As defined by RFC 3987 (http://www.ietf.org/rfc/rfc3987.txt). Internationalized Resource Identifiers (IRIs) are the internationalized version of URIs (which are also defined as a NamingSystem as https://terminology.hl7.org/4.0.0/NamingSystem-uri.html) that allow Unicode characters to be used in the identifier with some restrictions, which was defined by the Internet Engineering Task Force (IETF) in 2005. An IRI such as 'https://hi.wikipedia.org/wiki/हृदय' can be percent-encoded into the URI 'https://hi.wikipedia.org/wiki/%E0%A4%B9%E0%A5%83%E0%A4%A6%E0%A4%AF' to be used as a URL, but the IRI is easier to read, particularly for readers of non-Latin languages, and is natively supported by many tools, including many browsers, HTTP libraries, and in the Resource Description Framework (RDF). IRI values MUST NOT be used in Identifier.system or Coding.system. They MUST only be used in Identifier.value (where Identifier.system = urn:ietf:rfc:3987).</p>
</div></td></tr></table><h3>Identifiers</h3><table class="grid"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td></tr><tr><td>URI</td><td>urn:ietf:rfc:3987</td><td>true</td></tr></table></div>
  </text>
  <url value="http://terminology.hl7.org/NamingSystem/iri"/>
  <version value="1.0.0"/>
  <name value="IRI"/>
  <title value="Internationalized Resource Identifier (IRI)"/>
  <status value="active"/>
  <kind value="identifier"/>
  <date value="2023-03-16T00:00:00-00:00"/>
  <description
               value="As defined by RFC 3987 (http://www.ietf.org/rfc/rfc3987.txt). Internationalized Resource Identifiers (IRIs) are the internationalized version of URIs (which are also defined as a NamingSystem as https://terminology.hl7.org/4.0.0/NamingSystem-uri.html) that allow Unicode characters to be used in the identifier with some restrictions, which was defined by the Internet Engineering Task Force (IETF) in 2005. An IRI such as 'https://hi.wikipedia.org/wiki/हृदय' can be percent-encoded into the URI 'https://hi.wikipedia.org/wiki/%E0%A4%B9%E0%A5%83%E0%A4%A6%E0%A4%AF' to be used as a URL, but the IRI is easier to read, particularly for readers of non-Latin languages, and is natively supported by many tools, including many browsers, HTTP libraries, and in the Resource Description Framework (RDF). IRI values MUST NOT be used in Identifier.system or Coding.system. They MUST only be used in Identifier.value (where Identifier.system = urn:ietf:rfc:3987)."/>
  <uniqueId>
    <type value="uri"/>
    <value value="urn:ietf:rfc:3987"/>
    <preferred value="true"/>
  </uniqueId>
</NamingSystem>