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Store code for loading ontologies for future use
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‎federated-catalog/build.gradle.kts‎

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// upgrade 14.1
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implementation(libs.edc.fc.core.v2025)
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// vocabulary
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implementation(libs.net.sourceforge.owlapi)
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// test
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testImplementation(libs.edc.junit)
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}
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application {

‎federated-catalog/src/main/java/org/eclipse/edc/heleade/federated/catalog/extension/vocabulary/VocabularyManager.java‎

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/*
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* Copyright (c) 2025 Universidad de Alicante
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Contributors:
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* LdE - Universidad de Alicante - initial implementation
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*
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*/
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package org.eclipse.edc.heleade.federated.catalog.extension.vocabulary;
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import org.semanticweb.owlapi.apibinding.OWLManager;
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import org.semanticweb.owlapi.model.IRI;
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import org.semanticweb.owlapi.model.OWLClass;
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import org.semanticweb.owlapi.model.OWLDataFactory;
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import org.semanticweb.owlapi.model.OWLOntology;
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import org.semanticweb.owlapi.model.OWLOntologyCreationException;
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import org.semanticweb.owlapi.model.OWLOntologyManager;
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import org.semanticweb.owlapi.util.AutoIRIMapper;
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import java.io.File;
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import static org.semanticweb.owlapi.search.EntitySearcher.getAnnotationObjects;
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public class VocabularyManager {
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public static OWLOntologyManager create() {
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OWLOntologyManager m =
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OWLManager.createOWLOntologyManager();
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m.getIRIMappers().add(new AutoIRIMapper(
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new File("materializedOntologies"), true));
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return m;
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}
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public static String loadOntology(String ontologyIri) {
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StringBuilder output = new StringBuilder();
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OWLDataFactory df = OWLManager.getOWLDataFactory();
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OWLOntologyManager m = create();
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try {
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IRI iri;
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if (isPath(ontologyIri)) {
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File file = new File(ontologyIri);
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iri = IRI.create(file);
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} else {
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iri = IRI.create(ontologyIri);
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}
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OWLOntology o = m.loadOntologyFromOntologyDocument(iri);
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output.append(" ONTOLOGY: ").append(o.getOntologyID().getOntologyIRI().toString()).append("\n");
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if (o.getOntologyID().getVersionIRI().isPresent()) {
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output.append(" VERSION: ").append(o.getOntologyID().getVersionIRI().get()).append("\n");
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}
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output.append("\n getAnnotations");
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for (var a : o.getAnnotations()) {
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output.append(a.getProperty().getIRI().toString()).append(" ").append(a.getValue().toString()).append("\n");
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}
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output.append("\n getClassesInSignature");
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for (OWLClass cls : o.getClassesInSignature()) {
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output.append(cls.getIRI().toString()).append(" ").append(cls.getIRI().getFragment()).append("\n");
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var annotations = getAnnotationObjects(cls, o, df.getRDFSLabel());
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annotations.forEach(a -> output.append("\t - ").append(a.getValue().asLiteral().get().getLang()).append(": ").append(a.getValue().asLiteral().get().getLiteral()).append("\n"));
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var comments = getAnnotationObjects(cls, o, df.getRDFSComment());
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comments.forEach(a -> output.append("\t * ").append(a.getValue().asLiteral().get().getLang()).append(": ").append(a.getValue().asLiteral().get().getLiteral()).append("\n"));
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}
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output.append("\n getDataPropertiesInSignature");
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o.getDataPropertiesInSignature().forEach(p -> output.append(p).append("\n"));
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output.append("\n getObjectPropertiesInSignature");
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o.getObjectPropertiesInSignature().forEach(p -> output.append(p).append("\n"));
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output.append("\n getIndividualsInSignature");
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o.getIndividualsInSignature().forEach(p -> output.append(p).append("\n"));
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} catch (OWLOntologyCreationException e) {
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throw new RuntimeException(e);
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}
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return output.toString();
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}
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private static boolean isPath(String ontologyIri) {
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return !ontologyIri.startsWith("http://") && !ontologyIri.startsWith("https://");
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}
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}

‎federated-catalog/src/test/java/org/eclipse/edc/heleade/federated/catalog/extension/vocabulary/VocabularyManagerTest.java‎

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/*
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* Copyright (c) 2025 Universidad de Alicante
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Contributors:
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* LdE - Universidad de Alicante - initial implementation
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*
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*/
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package org.eclipse.edc.heleade.federated.catalog.extension.vocabulary;
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import org.eclipse.edc.junit.testfixtures.TestUtils;
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import org.junit.jupiter.api.Test;
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import java.io.File;
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public class VocabularyManagerTest {
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// public static final String SEGITTUR_ONTOLOGY_IRI = "https://ontologia.segittur.es/turismo/def/core/ontology.rdf";
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private static final String TEST_OWL_PATH = "federated-catalog/src/test/resources/test.owl";
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// @Test
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// void shouldLoadOntologyFromRemoteLocation() {
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// VocabularyManager.loadOntology(SEGITTUR_ONTOLOGY_IRI);
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// }
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@Test
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void shouldLoadOntologyFromFile() {
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var fileFromRelativePath = new File(TestUtils.findBuildRoot(), TEST_OWL_PATH);
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String filePath = fileFromRelativePath.getAbsolutePath();
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String output = VocabularyManager.loadOntology(filePath);
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assert !output.isEmpty();
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assert output.contains("Rock");
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}
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}

‎federated-catalog/src/test/resources/test.owl‎

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<rdf:RDF
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
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xmlns:owl ="http://www.w3.org/2002/07/owl#">
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<owl:Ontology rdf:about="xml:base"/>
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<owl:Class rdf:ID="genero">
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<rdfs:comment>Generos musicales.</rdfs:comment>
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</owl:Class>
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<owl:Class rdf:ID="rock">
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<rdfs:comment>Rock \m/ </rdfs:comment>
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<rdfs:subClassOf rdf:resource="#genero"/>
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</owl:Class>
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<owl:Class rdf:ID="clasico">
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<rdfs:comment>
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Rock clasico
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</rdfs:comment>
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<owl:intersectionOf rdf:parseType="Collection">
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<owl:Class rdf:about="#rock"/>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#subgenero"/>
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<owl:allValuesFrom rdf:resource="#rock"/>
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</owl:Restriction>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#toca"/>
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<owl:allValuesFrom rdf:resource="#cuerdas"/>
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</owl:Restriction>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#toca"/>
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<owl:allValuesFrom rdf:resource="#percusion"/>
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</owl:Restriction>
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</owl:intersectionOf>
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</owl:Class>
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<owl:Class rdf:ID="metal">
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<rdfs:comment>
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Heavy metal
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</rdfs:comment>
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<owl:intersectionOf rdf:parseType="Collection">
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<owl:Class rdf:about="#rock"/>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#subgenero"/>
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<owl:allValuesFrom rdf:resource="#rock"/>
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</owl:Restriction>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#toca"/>
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<owl:allValuesFrom rdf:resource="#cuerdas"/>
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</owl:Restriction>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#toca"/>
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<owl:allValuesFrom rdf:resource="#percusion"/>
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</owl:Restriction>
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</owl:intersectionOf>
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</owl:Class>
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<owl:Class rdf:ID="ska">
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<rdfs:comment>
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Ska
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</rdfs:comment>
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<owl:intersectionOf rdf:parseType="Collection">
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<owl:Class rdf:about="#rock"/>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#subgenero"/>
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<owl:allValuesFrom rdf:resource="#rock"/>
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</owl:Restriction>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#toca"/>
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<owl:allValuesFrom rdf:resource="#viento"/>
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</owl:Restriction>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#toca"/>
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<owl:allValuesFrom rdf:resource="#percusion"/>
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</owl:Restriction>
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</owl:intersectionOf>
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</owl:Class>
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<owl:Class rdf:ID="pop">
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<rdfs:comment>Musica Pop</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#genero"/>
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</owl:Class>
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<owl:Class rdf:ID="balada">
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<rdfs:comment>Balada</rdfs:comment>
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<owl:intersectionOf rdf:parseType="Collection">
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<owl:Class rdf:about="#pop"/>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#subgenero"/>
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<owl:allValuesFrom rdf:resource="#pop"/>
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</owl:Restriction>
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</owl:intersectionOf>
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</owl:Class>
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<owl:Class rdf:ID="dance">
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<rdfs:comment>Dance</rdfs:comment>
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<owl:intersectionOf rdf:parseType="Collection">
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<owl:Class rdf:about="#pop"/>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#subgenero"/>
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<owl:allValuesFrom rdf:resource="#pop"/>
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</owl:Restriction>
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</owl:intersectionOf>
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</owl:Class>
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<owl:Class rdf:ID="instrumento">
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<rdfs:comment>Instrumentos musicales.</rdfs:comment>
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<owl:disjointWith rdf:resource="#genero"/>
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</owl:Class>
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<owl:Class rdf:ID="cuerdas">
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<rdfs:comment>Instrumentos de cuerdas</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#instrumento"/>
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</owl:Class>
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<owl:Class rdf:ID="guitarra">
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<rdfs:comment>Guitarra</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#cuerdas"/>
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</owl:Class>
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<owl:Class rdf:ID="bajo">
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<rdfs:comment>Bajo</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#cuerdas"/>
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</owl:Class>
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<owl:Class rdf:ID="percusion">
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<rdfs:comment>Instrumentos de percusion</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#instrumento"/>
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</owl:Class>
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<owl:Class rdf:ID="bateria">
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<rdfs:comment>Bateria</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#percusion"/>
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</owl:Class>
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<owl:Class rdf:ID="timbales">
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<rdfs:comment>Timbales</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#percusion"/>
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</owl:Class>
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<owl:Class rdf:ID="viento">
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<rdfs:comment>Instrumentos de viento</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#instrumento"/>
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</owl:Class>
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<owl:Class rdf:ID="saxofon">
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<rdfs:comment>Sax</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#viento"/>
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</owl:Class>
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<owl:Class rdf:ID="trompeta">
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<rdfs:comment>Trompeta</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#viento"/>
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</owl:Class>
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<owl:Class rdf:ID="teclado">
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<rdfs:comment>Instrumentos con teclas</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#instrumento"/>
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</owl:Class>
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<owl:Class rdf:ID="sintetizador">
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<rdfs:comment>Sintetizador</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#teclado"/>
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</owl:Class>
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<owl:Class rdf:ID="organo">
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<rdfs:comment>Organo</rdfs:comment>
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<rdfs:subClassOf rdf:resource="#teclado"/>
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</owl:Class>
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<owl:Class rdf:ID="artista">
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<rdfs:comment>Artista.</rdfs:comment>
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</owl:Class>
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<owl:Class rdf:ID="guitarrista">
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<rdfs:comment>Guitarrista</rdfs:comment>
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<owl:intersectionOf rdf:parseType="Collection">
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<owl:Class rdf:about="#artista"/>
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<owl:Restriction>
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<owl:onProperty rdf:resource="#toca"/>
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<owl:allValuesFrom rdf:resource="#cuerdas"/>
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</owl:Restriction>
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</owl:intersectionOf>
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</owl:Class>
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<rdf:Description rdf:ID="tommorello">
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<rdfs:comment>Tom Morello Guitarrista de RATM</rdfs:comment>
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<rdf:type rdf:resource="#guitarrista"/>
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</rdf:Description>
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<owl:TransitiveProperty rdf:ID="subgenero"/>
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<owl:ObjectProperty rdf:ID="toca">
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<rdfs:domain rdf:resource="#instrumento"/>
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<rdfs:range rdf:resource="#artista"/>
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<rdfs:range rdf:resource="#genero"/>
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</owl:ObjectProperty>
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<owl:ObjectProperty rdf:ID="tocadoPor">
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<owl:inverseOf rdf:resource="#toca"/>
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</owl:ObjectProperty>
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</rdf:RDF>

‎gradle/libs.versions.toml‎

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edc-ih-api-did = { module = "org.eclipse.edc:did-api", version.ref = "edc" }
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edc-ih-api-participants = { module = "org.eclipse.edc:participant-context-api", version.ref = "edc" }
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# vocabulary hub
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net-sourceforge-owlapi = { module = "net.sourceforge.owlapi:owlapi-distribution", version = "5.5.1" }
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[bundles]
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edc-sqlstores = ["edc-sql-assetindex", "edc-sql-contract-definition", "edc-sql-contract-negotiation", "edc-sql-transferprocess", "edc-sql-policydef", "edc-sql-policy-monitor", "edc-sql-edrindex"]
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‎providers/provider-base/resources/configuration/provider-base-configuration.properties‎

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edc.participant.registry.url=http://localhost:39191/api/
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edc.participant.claims=providers/provider-base/resources/identity/claims.json
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edc.participant.private.key=providers/provider-base/resources/identity/ed25519_private.pem
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edc.participant.public.key=providers/provider-base/resources/identity/ed25519_public.pem
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edc.participant.public.key=providers/provider-base/resources/identity/ed25519_public.pem

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