/*! For license information please see 515.rdflib.min.js.LICENSE.txt */
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e=a["@base"];if(null===e||c(e));else{if(!d(e))throw new r('Invalid JSON-LD syntax; the value of "@base" in a @context must be an absolute IRI, a relative IRI, or null.',"jsonld.SyntaxError",{code:"invalid base IRI",context:a});e=u(j["@base"],e)}j["@base"]=e,y.set("@base",!0)}if("@vocab"in a){const e=a["@vocab"];if(null===e)delete j["@vocab"];else{if(!s(e))throw new r('Invalid JSON-LD syntax; the value of "@vocab" in a @context must be a string or null.',"jsonld.SyntaxError",{code:"invalid vocab mapping",context:a});if(!c(e)&&m.processingMode(j,1))throw new r('Invalid JSON-LD syntax; the value of "@vocab" in a @context must be an absolute IRI.',"jsonld.SyntaxError",{code:"invalid vocab mapping",context:a});{const t=x(j,e,{vocab:!0,base:!0},void 0,void 0,n);c(t)||n.eventHandler&&p({event:{type:["JsonLdEvent"],code:"relative @vocab reference",level:"warning",message:"Relative @vocab reference found.",details:{vocab:t}},options:n}),j["@vocab"]=t}}y.set("@vocab",!0)}if("@language"in 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o("_:c14n",t),this.createMessageDigest=e,this.maxDeepIterations=n,this.quads=null,this.deepIterations=null}async main(e){this.deepIterations=new Map,this.quads=e;for(const t of e)this._addBlankNodeQuadInfo({quad:t,component:t.subject}),this._addBlankNodeQuadInfo({quad:t,component:t.object}),this._addBlankNodeQuadInfo({quad:t,component:t.graph});const t=new Map,n=[...this.blankNodeInfo.keys()];let r=0;for(const e of n)++r%100==0&&await this._yield(),await this._hashAndTrackBlankNode({id:e,hashToBlankNodes:t});const a=[...t.keys()].sort(),l=[];for(const e of a){const n=t.get(e);if(n.length>1){l.push(n);continue}const o=n[0];this.canonicalIssuer.getId(o)}for(const e of l){const t=[];for(const n of e){if(this.canonicalIssuer.hasId(n))continue;const e=new o("_:b");e.getId(n);const r=await this.hashNDegreeQuads(n,e);t.push(r)}t.sort(s);for(const e of t){const t=e.issuer.getOldIds();for(const e of t)this.canonicalIssuer.getId(e)}}const c=[];for(const e of this.quads){const t=i.serializeQuadComponents(this._componentWithCanonicalId(e.subject),e.predicate,this._componentWithCanonicalId(e.object),this._componentWithCanonicalId(e.graph));c.push(t)}return c.sort(),c.join("")}async hashFirstDegreeQuads(e){const t=[],n=this.blankNodeInfo.get(e),o=n.quads;for(const n of o){const o={subject:null,predicate:n.predicate,object:null,graph:null};o.subject=this.modifyFirstDegreeComponent(e,n.subject,"subject"),o.object=this.modifyFirstDegreeComponent(e,n.object,"object"),o.graph=this.modifyFirstDegreeComponent(e,n.graph,"graph"),t.push(i.serializeQuad(o))}t.sort();const r=this.createMessageDigest();for(const e of t)r.update(e);return n.hash=await r.digest(),n.hash}async hashRelatedBlankNode(e,t,n,o){let r;r=this.canonicalIssuer.hasId(e)?this.canonicalIssuer.getId(e):n.hasId(e)?n.getId(e):this.blankNodeInfo.get(e).hash;const a=this.createMessageDigest();return a.update(o),"g"!==o&&a.update(this.getRelatedPredicate(t)),a.update(r),a.digest()}async hashNDegreeQuads(e,t){const n=this.deepIterations.get(e)||0;if(n>this.maxDeepIterations)throw new Error(`Maximum deep iterations (${this.maxDeepIterations}) exceeded.`);this.deepIterations.set(e,n+1);const o=this.createMessageDigest(),r=await this.createHashToRelated(e,t),i=[...r.keys()].sort();for(const e of i){o.update(e);let n,i="";const s=new a(r.get(e));let l=0;for(;s.hasNext();){const e=s.next();++l%3==0&&await this._yield();let o=t.clone(),r="";const a=[];let c=!1;for(const t of e)if(this.canonicalIssuer.hasId(t)?r+=this.canonicalIssuer.getId(t):(o.hasId(t)||a.push(t),r+=o.getId(t)),0!==i.length&&r>i){c=!0;break}if(!c){for(const e of a){const t=await this.hashNDegreeQuads(e,o);if(r+=o.getId(e),r+=`<${t.hash}>`,o=t.issuer,0!==i.length&&r>i){c=!0;break}}c||(0===i.length||r<i)&&(i=r,n=o)}}o.update(i),t=n}return{hash:await o.digest(),issuer:t}}modifyFirstDegreeComponent(e,t){return"BlankNode"!==t.termType?t:{termType:"BlankNode",value:t.value===e?"_:a":"_:z"}}getRelatedPredicate(e){return`<${e.predicate.value}>`}async createHashToRelated(e,t){const n=new Map,o=this.blankNodeInfo.get(e).quads;let r=0;for(const a of o)++r%100==0&&await this._yield(),await Promise.all([this._addRelatedBlankNodeHash({quad:a,component:a.subject,position:"s",id:e,issuer:t,hashToRelated:n}),this._addRelatedBlankNodeHash({quad:a,component:a.object,position:"o",id:e,issuer:t,hashToRelated:n}),this._addRelatedBlankNodeHash({quad:a,component:a.graph,position:"g",id:e,issuer:t,hashToRelated:n})]);return n}async _hashAndTrackBlankNode({id:e,hashToBlankNodes:t}){const n=await this.hashFirstDegreeQuads(e),o=t.get(n);o?o.push(e):t.set(n,[e])}_addBlankNodeQuadInfo({quad:e,component:t}){if("BlankNode"!==t.termType)return;const n=t.value,o=this.blankNodeInfo.get(n);o?o.quads.add(e):this.blankNodeInfo.set(n,{quads:new Set([e]),hash:null})}async _addRelatedBlankNodeHash({quad:e,component:t,position:n,id:o,issuer:r,hashToRelated:a}){if("BlankNode"!==t.termType||t.value===o)return;const i=t.value,s=await this.hashRelatedBlankNode(i,e,r,n),l=a.get(s);l?l.push(i):a.set(s,[i])}_componentWithCanonicalId(e){return"BlankNode"!==e.termType||e.value.startsWith(this.canonicalIssuer.prefix)?e:{termType:"BlankNode",value:this.canonicalIssuer.getId(e.value)}}async _yield(){return new Promise((e=>setImmediate(e)))}}},6280:(e,t,n)=>{"use strict";const o=n(7207),r=n(2269),a=n(1747),i=n(3281);function s(e,t){return e.hash<t.hash?-1:e.hash>t.hash?1:0}e.exports=class{constructor({createMessageDigest:e=(()=>new r("sha256")),canonicalIdMap:t=new Map,maxDeepIterations:n=1/0}={}){this.name="URDNA2015",this.blankNodeInfo=new Map,this.canonicalIssuer=new o("_:c14n",t),this.createMessageDigest=e,this.maxDeepIterations=n,this.quads=null,this.deepIterations=null}main(e){this.deepIterations=new Map,this.quads=e;for(const t of e)this._addBlankNodeQuadInfo({quad:t,component:t.subject}),this._addBlankNodeQuadInfo({quad:t,component:t.object}),this._addBlankNodeQuadInfo({quad:t,component:t.graph});const t=new Map,n=[...this.blankNodeInfo.keys()];for(const e of n)this._hashAndTrackBlankNode({id:e,hashToBlankNodes:t});const r=[...t.keys()].sort(),a=[];for(const e of r){const n=t.get(e);if(n.length>1){a.push(n);continue}const o=n[0];this.canonicalIssuer.getId(o)}for(const e of a){const t=[];for(const n of e){if(this.canonicalIssuer.hasId(n))continue;const e=new o("_:b");e.getId(n);const r=this.hashNDegreeQuads(n,e);t.push(r)}t.sort(s);for(const e of t){const t=e.issuer.getOldIds();for(const e of t)this.canonicalIssuer.getId(e)}}const l=[];for(const e of this.quads){const t=i.serializeQuadComponents(this._componentWithCanonicalId({component:e.subject}),e.predicate,this._componentWithCanonicalId({component:e.object}),this._componentWithCanonicalId({component:e.graph}));l.push(t)}return l.sort(),l.join("")}hashFirstDegreeQuads(e){const t=[],n=this.blankNodeInfo.get(e),o=n.quads;for(const n of o){const o={subject:null,predicate:n.predicate,object:null,graph:null};o.subject=this.modifyFirstDegreeComponent(e,n.subject,"subject"),o.object=this.modifyFirstDegreeComponent(e,n.object,"object"),o.graph=this.modifyFirstDegreeComponent(e,n.graph,"graph"),t.push(i.serializeQuad(o))}t.sort();const r=this.createMessageDigest();for(const e of t)r.update(e);return n.hash=r.digest(),n.hash}hashRelatedBlankNode(e,t,n,o){let r;r=this.canonicalIssuer.hasId(e)?this.canonicalIssuer.getId(e):n.hasId(e)?n.getId(e):this.blankNodeInfo.get(e).hash;const a=this.createMessageDigest();return a.update(o),"g"!==o&&a.update(this.getRelatedPredicate(t)),a.update(r),a.digest()}hashNDegreeQuads(e,t){const n=this.deepIterations.get(e)||0;if(n>this.maxDeepIterations)throw new Error(`Maximum deep iterations (${this.maxDeepIterations}) exceeded.`);this.deepIterations.set(e,n+1);const o=this.createMessageDigest(),r=this.createHashToRelated(e,t),i=[...r.keys()].sort();for(const e of i){o.update(e);let n,i="";const s=new a(r.get(e));for(;s.hasNext();){const e=s.next();let o=t.clone(),r="";const a=[];let l=!1;for(const t of e)if(this.canonicalIssuer.hasId(t)?r+=this.canonicalIssuer.getId(t):(o.hasId(t)||a.push(t),r+=o.getId(t)),0!==i.length&&r>i){l=!0;break}if(!l){for(const e of a){const t=this.hashNDegreeQuads(e,o);if(r+=o.getId(e),r+=`<${t.hash}>`,o=t.issuer,0!==i.length&&r>i){l=!0;break}}l||(0===i.length||r<i)&&(i=r,n=o)}}o.update(i),t=n}return{hash:o.digest(),issuer:t}}modifyFirstDegreeComponent(e,t){return"BlankNode"!==t.termType?t:{termType:"BlankNode",value:t.value===e?"_:a":"_:z"}}getRelatedPredicate(e){return`<${e.predicate.value}>`}createHashToRelated(e,t){const n=new Map,o=this.blankNodeInfo.get(e).quads;for(const r of o)this._addRelatedBlankNodeHash({quad:r,component:r.subject,position:"s",id:e,issuer:t,hashToRelated:n}),this._addRelatedBlankNodeHash({quad:r,component:r.object,position:"o",id:e,issuer:t,hashToRelated:n}),this._addRelatedBlankNodeHash({quad:r,component:r.graph,position:"g",id:e,issuer:t,hashToRelated:n});return n}_hashAndTrackBlankNode({id:e,hashToBlankNodes:t}){const n=this.hashFirstDegreeQuads(e),o=t.get(n);o?o.push(e):t.set(n,[e])}_addBlankNodeQuadInfo({quad:e,component:t}){if("BlankNode"!==t.termType)return;const n=t.value,o=this.blankNodeInfo.get(n);o?o.quads.add(e):this.blankNodeInfo.set(n,{quads:new Set([e]),hash:null})}_addRelatedBlankNodeHash({quad:e,component:t,position:n,id:o,issuer:r,hashToRelated:a}){if("BlankNode"!==t.termType||t.value===o)return;const i=t.value,s=this.hashRelatedBlankNode(i,e,r,n),l=a.get(s);l?l.push(i):a.set(s,[i])}_componentWithCanonicalId({component:e}){return"BlankNode"!==e.termType||e.value.startsWith(this.canonicalIssuer.prefix)?e:{termType:"BlankNode",value:this.canonicalIssuer.getId(e.value)}}}},715:(e,t,n)=>{"use strict";const o=n(2269),r=n(6991);e.exports=class extends r{constructor(){super(),this.name="URGNA2012",this.createMessageDigest=()=>new o("sha1")}modifyFirstDegreeComponent(e,t,n){return"BlankNode"!==t.termType?t:"graph"===n?{termType:"BlankNode",value:"_:g"}:{termType:"BlankNode",value:t.value===e?"_:a":"_:z"}}getRelatedPredicate(e){return e.predicate.value}async createHashToRelated(e,t){const n=new Map,o=this.blankNodeInfo.get(e).quads;let r=0;for(const a of o){let o,i;if("BlankNode"===a.subject.termType&&a.subject.value!==e)i=a.subject.value,o="p";else{if("BlankNode"!==a.object.termType||a.object.value===e)continue;i=a.object.value,o="r"}++r%100==0&&await this._yield();const s=await this.hashRelatedBlankNode(i,a,t,o),l=n.get(s);l?l.push(i):n.set(s,[i])}return n}}},8172:(e,t,n)=>{"use strict";const o=n(2269),r=n(6280);e.exports=class extends r{constructor(){super(),this.name="URGNA2012",this.createMessageDigest=()=>new o("sha1")}modifyFirstDegreeComponent(e,t,n){return"BlankNode"!==t.termType?t:"graph"===n?{termType:"BlankNode",value:"_:g"}:{termType:"BlankNode",value:t.value===e?"_:a":"_:z"}}getRelatedPredicate(e){return e.predicate.value}createHashToRelated(e,t){const n=new Map,o=this.blankNodeInfo.get(e).quads;for(const r of o){let o,a;if("BlankNode"===r.subject.termType&&r.subject.value!==e)a=r.subject.value,o="p";else{if("BlankNode"!==r.object.termType||r.object.value===e)continue;a=r.object.value,o="r"}const i=this.hashRelatedBlankNode(a,r,t,o),s=n.get(i);s?s.push(a):n.set(i,[a])}return n}}},147:(e,t,n)=>{"use strict";const o=n(6991),r=n(715),a=n(6280),i=n(8172);let s;try{s=n(7789)}catch(e){}function l(e){return Array.isArray(e)?e:t.NQuads.legacyDatasetToQuads(e)}t.NQuads=n(3281),t.IdentifierIssuer=n(7207),t._rdfCanonizeNative=function(e){return e&&(s=e),s},t.canonize=async function(e,t){const n=l(e);if(t.useNative){if(!s)throw new Error("rdf-canonize-native not available");if(t.createMessageDigest)throw new Error('"createMessageDigest" cannot be used with "useNative".');return new Promise(((e,o)=>s.canonize(n,t,((t,n)=>t?o(t):e(n)))))}if("URDNA2015"===t.algorithm)return new o(t).main(n);if("URGNA2012"===t.algorithm){if(t.createMessageDigest)throw new Error('"createMessageDigest" cannot be used with "URGNA2012".');return new r(t).main(n)}if(!("algorithm"in t))throw new Error("No RDF Dataset Canonicalization algorithm specified.");throw new Error("Invalid RDF Dataset Canonicalization algorithm: "+t.algorithm)},t._canonizeSync=function(e,t){const n=l(e);if(t.useNative){if(!s)throw new Error("rdf-canonize-native not available");if(t.createMessageDigest)throw new Error('"createMessageDigest" 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