@prefix : <./> .

@prefix dc: <http://purl.org/dc/elements/1.1/> .

@prefix hsc: <https://www.w3.org/2011/http-statusCodes#> .

@prefix html: <https://datatracker.ietf.org/doc/html/> .

@prefix link: <https://www.w3.org/ns/iana/link-relations/relation#> .

@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

@prefix reg: <https://www.w3.org/ns/assignments/reg#> .

@prefix Statu: <https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/> .

@prefix terms: <http://purl.org/dc/terms#> .

@prefix vann: <https://vocab.org/vann/> .

@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

link:canonical <https://purl.org/pdsinterop/link-metadata>;

rdfs:comment """Defines basic link redirect and deleted properties, as well as

some properties to support archived/cached links and hashes and/or timestamps.""";

terms:description "Metadata terms describing link forwarding and caching";

vann:preferredNamespacePrefix "ldpl" ;

vann:preferredNamespaceUri "https://purl.org/pdsinterop/link-metadata#"^^xsd:anyURI .

<#invalidatedResource> a rdfs:Class;

rdfs:comment "This resource is no longer valid, disregard any other predicates for this subject" .

<#redirectPermanent> a rdf:Property;

rdfs:domain :invalidatedResource;

rdfs:comment "This link has been moved here permanently.";

rdfs:isDefinedBy :link-metadata;

reg:spec [

reg:xref html:rfc7238

];

rdfs:seeAlso Statu:308 .

<#redirectTemporary> a rdf:Property;

rdfs:domain :invalidatedResource;

rdfs:comment "This link has been moved here temporarily.";

rdfs:isDefinedBy :link-metadata;

reg:spec [

reg:xref html:rfc7231#section-6.4.7

];

rdfs:seeAlso hsc:TemporaryRedirect, Statu:307 .

<#deleted> a rdf:Property;

rdfs:domain :invalidatedResource;

rdfs:isDefinedBy :link-metadata;

rdfs:comment "This link has been deleted.";

rdfs:seeAlso hsc:NotFound, Statu:404 .

<#forget> a rdf:Property;

rdfs:domain :invalidatedResource;

rdfs:isDefinedBy :link-metadata;

rdfs:comment "This link should be forgotten.";

reg:spec [

reg:xref html:rfc7231#section-6.5.9

];

rdfs:seeAlso hsc:Gone, Statu:410 .

<#contentHash> a rdfs:Literal;

rdfs:isDefinedBy :link-metadata;

rdfs:comment "This is the content hash of this link.";

rdfs:seeAlso <https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity> .

<#archive> a rdf:Property;

rdfs:isDefinedBy :link-metadata;

rdfs:comment "This link is archived here." .

<#archiveDate> a rdf:Property;

rdfs:isDefinedBy :link-metadata;

rdfs:comment "This Archive was created at this timestamp." .

<#link-metadata> terms:title "Link Metadata";

reg:id "link-metadata";

reg:registry <#link-metadata-1> .

<#link-metadata-1> terms:title "Link Metadata Types";

reg:id "link-metadata-1";

reg:record <#redirectPermanent>,

<#redirectTemporary>,

<#deleted>,

<#forget>,

<#contentHash>,

<#archive>,

<#archiveDate> .