<?xml version="1.0"?> <!-- SPDX-FileCopyrightText: 2024 Lady <https://www.ladys.computer/about/#lady> SPDX-License-Identifier: CC0-1.0 --> <!DOCTYPE DatatypeProperty SYSTEM "../../DTD"> <DatatypeProperty> <label xml:lang="en">identifier</label> <comment xml:lang="en"> <p> An unambiguous reference to this thing within a given context. </p> <p> <ptr target="(DCMI)"/> states: « Recommended practice is to identify the resource by means of a string conforming to an identification system. Examples include International Standard Book Number (ISBN), Digital Object Identifier (DOI), and Uniform Resource Name (URN). Persistent identifiers should be provided as HTTP URIs. » </p> </comment> <isDefinedBy> <SpecificResource source="(DCMI)" fragment="http://purl.org/dc/terms/identifier"/> </isDefinedBy> <subPropertyOf> <resource name="contact:knownAs"/> </subPropertyOf> </DatatypeProperty>