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ontology-viewer.component.ts
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Fri, Nov 15, 14:17

ontology-viewer.component.ts
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import { Component, Input, OnInit } from '@angular/core';
import { OntologyQueryService } from './ontology-query.service';
import { Namespace, Ontology } from './models';
import { SparqlParser } from './sparqljs';
@Component({
selector: 'ontology-viewer',
templateUrl: './ontology-viewer.component.html',
styleUrls: ['./ontology-viewer.component.css']
})
export class OntologyViewerComponent implements OnInit {
@Input() baseUrl: string;
@Input() ontology: Ontology;
@Input() namespaces: Namespace[];
query: string = `
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT ?property ?label ?comment ?domain ?range ?superProp WHERE {
?property a ?propertyType;
rdfs:isDefinedBy ?ontology.
OPTIONAL { ?property rdfs:label ?label }
OPTIONAL { ?property rdfs:domain ?domain.
?domain rdfs:isDefinedBy ?ontology}
OPTIONAL { ?property rdfs:range ?range }
OPTIONAL { ?property rdfs:comment ?comment }
OPTIONAL { ?property rdfs:subPropertyOf ?superProp.
?superProp rdfs:isDefinedBy ?ontology.
FILTER(?property != ?superProp)
}
FILTER(!isBlank(?range))
}`
objectPropertyQuery: string;
datatypePropertyQuery: string;
constructor(private queryService: OntologyQueryService) { }
ngOnInit() {
this.objectPropertyQuery = SparqlParser.getQuery(this.query, 'propertyType', 'http://www.w3.org/2002/07/owl#ObjectProperty');
this.datatypePropertyQuery = SparqlParser.getQuery(this.query, 'propertyType', 'http://www.w3.org/2002/07/owl#DatatypeProperty');
this.queryService.baseUrl = this.baseUrl;
}
}

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