Java ParameterizedSparqlString类代码示例

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本文整理汇总了Java中com.hp.hpl.jena.query.ParameterizedSparqlString类的典型用法代码示例。如果您正苦于以下问题：Java ParameterizedSparqlString类的具体用法？Java ParameterizedSparqlString怎么用？Java ParameterizedSparqlString使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

ParameterizedSparqlString类属于com.hp.hpl.jena.query包，在下文中一共展示了ParameterizedSparqlString类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: addUserParameters

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
private void addUserParameters(ParameterizedSparqlString pss, User user, USMFStatus status) {
	PQUtils.setPSSIri(pss, Variables.USER.name, createUserIRI(status, user));
	PQUtils.setPSSIri(pss, Variables.PERSON.name, createPersonIRI(status, user));
	PQUtils.setPSSLiteral(pss, Variables.PERSON_NAME.name, user.real_name);
	PQUtils.setPSSLiteral(pss, Variables.PERSON_LOC.name, user.location);
	PQUtils.setPSSLiteral(pss, new String[] { Variables.PERSON_LAT.name, Variables.PERSON_LONG.name }, user.geo);
	PQUtils.setPSSLiteral(pss, Variables.USER_NAME.name, user.name);
	PQUtils.setPSSLiteral(pss, Variables.USER_ID.name, user.id);
	PQUtils.setPSSLiteral(pss, Variables.USER_LANG.name, user.language);
	PQUtils.setPSSLiteral(pss, Variables.PERSON_LANG.name, user.language);
	PQUtils.setPSSLiteral(pss, Variables.USER_DESC.name, user.description);
	PQUtils.setPSSLiteral(pss, Variables.USER_AVATAR.name, user.avatar);
	PQUtils.setPSSLiteral(pss, Variables.USER_SITE.name, user.website);
	PQUtils.setPSSLiteral(pss, Variables.USER_PROF.name, user.profile);
	PQUtils.setPSSLiteral(pss, Variables.USER_FOLLOWERS.name, user.subscribers);
	PQUtils.setPSSLiteral(pss, Variables.USER_FOLLOWING.name, user.subscriptions);
	PQUtils.setPSSLiteral(pss, Variables.USER_POSTS.name, user.postings);
}

开发者ID:openimaj，项目名称:openimaj，代码行数:19，代码来源:GeneralJSONRDF.java

示例2: getQuery

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
private Query getQuery(String text) {
	ParameterizedSparqlString sparql = new ParameterizedSparqlString(
			"PREFIX : <http://dbpedia.org/resource/>\n"
			+ "PREFIX dbo: <http://dbpedia.org/ontology/>\n"
			+ "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"
			+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"
			+ "select distinct ?kind where {\n"
			+ "{?content dbo:wikiPageDisambiguates ?article."
			+ " ?article a ?kind_resource.}"
			+ "Union"
			+ "{?content a ?kind_resource.}"
			+ "?kind_resource rdfs:label ?kind."
			+ "FILTER ("
				+ "langMatches(lang(?kind), 'EN')"
			+ ")} limit 10");
	List<String> uris = rdf_label_search.query(text);
	if (uris.size() > 0) sparql.setIri("content", uris.get(0));
	else sparql.setIri("content", "uri:moo:ajklhawkjd");
	return sparql.asQuery();
	
}

开发者ID:SeanTater，项目名称:uncc2014watsonsim，代码行数:22，代码来源:DBPediaCandidateType.java

示例3: getInstances

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
private void getInstances() {
	File metricFile = new File(
			System.getProperty("user.dir") + "/sparql/queries/getInstances.sparql");

	List<String> lines = null;

	try {
		lines = Files.readAllLines(metricFile.toPath());
	} catch (IOException ex) {
		Logger.getLogger(Ontogui.class.getName()).log(Level.SEVERE, null, ex);
	}
	String queryString = "";
	for (String line : lines) {
		queryString += line + System.lineSeparator();
	}
	ParameterizedSparqlString pss = new ParameterizedSparqlString();
	pss.setCommandText(queryString);
	pss.setLiteral("typename", typename);
	data.begin(ReadWrite.READ);
	List<QuerySolution> rlist = null;
	try (QueryExecution qe = QueryExecutionFactory.create(pss.asQuery(), data)) {
		ResultSet results = qe.execSelect();
		rlist = ResultSetFormatter.toList(results);
	} catch (Exception e) {
		JOptionPane.showMessageDialog(null, "Writting to textarea failed!");
		e.printStackTrace();
	}
	instances = new String[rlist.size()];
	for(int j = 0; j < rlist.size(); j++){
		instances[j] = rlist.get(j).getLiteral("iname").getString();
	}
	data.end();
}

开发者ID:MarcelH91，项目名称:WikiOnto，代码行数:34，代码来源:DissolveGUI.java

示例4: getSubtypes

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
private void getSubtypes() {
	File metricFile = new File(
			System.getProperty("user.dir") + "/sparql/queries/getSubtypes.sparql");

	List<String> lines = null;

	try {
		lines = Files.readAllLines(metricFile.toPath());
	} catch (IOException ex) {
		Logger.getLogger(Ontogui.class.getName()).log(Level.SEVERE, null, ex);
	}
	String queryString = "";
	for (String line : lines) {
		queryString += line + System.lineSeparator();
	}
	ParameterizedSparqlString pss = new ParameterizedSparqlString();
	pss.setCommandText(queryString);
	pss.setLiteral("typename", typename);
	data.begin(ReadWrite.READ);
	List<QuerySolution> rlist = null;
	try (QueryExecution qe = QueryExecutionFactory.create(pss.asQuery(), data)) {
		ResultSet results = qe.execSelect();
		rlist = ResultSetFormatter.toList(results);
	} catch (Exception e) {
		JOptionPane.showMessageDialog(null, "Writting to textarea failed!");
		e.printStackTrace();
	}
	data.end();
	subtypes= new String[rlist.size()];
	for(int j = 0; j < rlist.size(); j++){
		subtypes[j] = rlist.get(j).getLiteral("sname").getString();
	}
}

开发者ID:MarcelH91，项目名称:WikiOnto，代码行数:34，代码来源:DissolveGUI.java

示例5: transform

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
public long transform(String tfilename, Map<String,String> parameter){
    File tfile = new File(System.getProperty("user.dir")+"/sparql/transformations/"+tfilename);
    String transformation = "";
    try {
        List<String> lines = Files.readAllLines(tfile.toPath());
        for(String line : lines){
            transformation+=line+"\n";
        }
    } catch (IOException ex) {
        System.err.println("Exception transforming:"+tfilename);;
    }
    dataset.begin(ReadWrite.WRITE);
    Graph graph = dataset.asDatasetGraph().getDefaultGraph();
    long size = graph.size();
    ParameterizedSparqlString pss = new ParameterizedSparqlString();
    pss.setCommandText(transformation);
    for(String key: parameter.keySet()){
        String query = pss.asUpdate().toString();
        if(!parameter.get(key).contains("http://")){
            pss.setLiteral(key, parameter.get(key).trim());
        }else{
            pss.setIri(key, parameter.get(key).trim());
        }
        if(query.equals(pss.asUpdate().toString())) {
            JOptionPane.showMessageDialog(null,"Querynames are flawed. This should not happen.");
            System.err.println(pss.toString());
            return 0;
        }
    }
    UpdateAction.execute(pss.asUpdate(), graph);
    size = graph.size() - size;
    dataset.commit();
    return size;
}

开发者ID:MarcelH91，项目名称:WikiOnto，代码行数:35，代码来源:TransformationProcessor.java

示例6: main

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
public static void main(String[] args) {
	ParameterizedSparqlString qs = new ParameterizedSparqlString(""
			+ "prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#>\n"
			+ "prefix dbpedia-owl: <http://dbpedia.org/ontology/>\n"
			+ "prefix dbpprop: <http://dbpedia.org/property/>\n"
			+ "prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"
			+
			"SELECT DISTINCT * \n" + "WHERE { \n"
			+ " ?resource  rdfs:label ?label ;\n"
			+ " dbpedia-owl:abstract ?abstract .\n"
			+ "FILTER ( lang(?abstract) = 'en' ) \n" + "}");

	Literal london = ResourceFactory.createLangLiteral("London", "en");
	qs.setParam("label", london);

	System.out.println(qs);

	QueryExecution exec = QueryExecutionFactory.sparqlService(
			"http://dbpedia.org/sparql", qs.asQuery());
	ResultSet results = ResultSetFactory.copyResults(exec.execSelect());

	while (results.hasNext()) {
		QuerySolution sol = (QuerySolution) results.next();
		RDFNode node = sol.get("resource");
		System.out.println(sol.get("?abstract"));
		System.out.println(node);
	}
	// A simpler way of printing the results.
	ResultSetFormatter.out(results);
}

开发者ID:nikolamilosevic86，项目名称:Marvin，代码行数:31，代码来源:DBPediaQuery.java

示例7: deleteCube

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
public String deleteCube(String namedGraph) {
	VirtGraph set = new VirtGraph(ENDPOINT, USER, PW);
       ParameterizedSparqlString prepareQuery = new ParameterizedSparqlString(CLEAR_GRAPH);
       prepareQuery.setIri("g", namedGraph);
	VirtuosoUpdateRequest vur = VirtuosoUpdateFactory.create(prepareQuery.toString(), set);
	vur.exec();

	return null;
}

开发者ID:bayerls，项目名称:statistics2cubes，代码行数:10，代码来源:VirtuosoDao.java

示例8: rdfAnalysisProvider

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
@Override
public RDFAnalysisProvider rdfAnalysisProvider() {
	return new RDFAnalysisProvider() {
		private static final String DETECTED_LANGUAGE_INSERT_SPARQL = "/org/openimaj/tools/twiiter/rdf/detected_language_insert.sparql";
		private String query;

		@Override
		public void addAnalysis(Model m, Resource socialEvent, GeneralJSON analysisSource) {
			final Map<String, Object> analysis = analysisSource.getAnalysis(LANGUAGES);
			if (analysis == null)
				return;

			final ParameterizedSparqlString pss = new ParameterizedSparqlString(query); // wasteful?
																						// makes
																						// it
																						// threadsafe
																						// but
																						// is
																						// it
																						// bad?
			pss.setParam("socialEvent", socialEvent);
			final Resource langNode = m.createResource();
			pss.setParam("langid", langNode);
			pss.setLiteral("language", analysis.get("language").toString());
			pss.setLiteral("confidence", (Double) analysis.get("confidence"));
			UpdateAction.execute(pss.asUpdate(), m);
		}

		@Override
		public void init() {
			try {
				query = FileUtils.readall(GeneralJSONRDF.class.getResourceAsStream(DETECTED_LANGUAGE_INSERT_SPARQL));
			} catch (final IOException e) {
				throw new RuntimeException(e);
			}

		}
	};
}

开发者ID:openimaj，项目名称:openimaj，代码行数:40，代码来源:LanguageDetectionMode.java

示例9: setPSSLiteral

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
/**
 * Set a {@link ParameterizedSparqlString} literal
 *
 * @param pss
 * @param strings
 * @param geo
 */
public static void setPSSLiteral(ParameterizedSparqlString pss, String[] strings, double[] geo) {
	for (int i = 0; i < strings.length; i++) {
		if (geo == null) {
			setNull(pss, strings[i]);
		}
		else {
			pss.setLiteral(strings[i], geo[i]);
		}
	}
}

开发者ID:openimaj，项目名称:openimaj，代码行数:18，代码来源:PQUtils.java

示例10: setPSSIri

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
/**
 * @param pss
 * @param name
 * @param iri
 */
public static void setPSSIri(ParameterizedSparqlString pss, String name, String iri) {
	if (iri != null)
		pss.setIri(name, iri);
	else
		setNull(pss, name);
}

开发者ID:openimaj，项目名称:openimaj，代码行数:12，代码来源:PQUtils.java

示例11: setPSSResource

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
/**
 * @param pss
 * @param name
 * @param iri
 */
public static void setPSSResource(ParameterizedSparqlString pss, String name, Resource iri) {
	if (iri != null)
		pss.setParam(name, iri);
	else
		setNull(pss, name);
}

开发者ID:openimaj，项目名称:openimaj，代码行数:12，代码来源:PQUtils.java

示例12: getIdFromDBpedia

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
/**
 * The Wikipedia Id or -1 if the Id couldn't be retrieved.
 * 
 * FIXME The method throws an exception for "http://DBpedia.org/resource/Origin_of_the_name_"Empire_State"". this
 * might be happen because of the quotes inside the URI.
 * 
 * @param dbpediaUri
 * @return
 */
@Deprecated
public static int getIdFromDBpedia(String dbpediaUri) {
    int id = -1;
    ParameterizedSparqlString query = new ParameterizedSparqlString(
            "SELECT ?id WHERE { ?dbpedia dbo:wikiPageID ?id .}", prefixes);
    query.setIri("dbpedia", dbpediaUri);
    QueryExecution qexec = null;
    try {
        qexec = QueryExecutionFactory.create(query.asQuery(),
                model);
    } catch (QueryParseException e) {
        LOGGER.error("Got a bad dbpediaUri \"" + dbpediaUri
                + "\" which couldn't be parse inside of a SPARQL query. Returning -1.", e);
        return id;
    }
    ResultSet result = qexec.execSelect();
    if (result.hasNext()) {
        id = result.next().get("id").asLiteral().getInt();
        return id;
    }
    qexec = QueryExecutionFactory.sparqlService(
            "http://dbpedia.org/sparql", query.asQuery());
    result = qexec.execSelect();
    if (result.hasNext()) {
        id = result.next().get("id").asLiteral().getInt();
        model.add(new StatementImpl(model.createResource(dbpediaUri), model
                .createProperty("http://dbpedia.org/ontology/wikiPageID"),
                model.createTypedLiteral(id)));
        return id;
    }

    model.add(new StatementImpl(model.createResource(dbpediaUri), model
            .createProperty("http://dbpedia.org/ontology/wikiPageID"),
            model.createTypedLiteral(id)));
    return id;
}

开发者ID:dice-group，项目名称:gerbil，代码行数:46，代码来源:DBpediaToWikiId.java

示例13: getQuery

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
@Override
protected String getQuery(final Functionality request, final Model model) {
  final ParameterizedSparqlString pss = new ParameterizedSparqlString(
      ResourceCache.getInstance().get("/sparql/compatible-functionalities.rq"));
  pss.setParam("request", IdentifiableExternalizer.externalize(request, model));
  return pss.toString();
}

开发者ID:ewie，项目名称:cobalt，代码行数:8，代码来源:CompatibleResourceFinder.java

示例14: visit

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
@Override
public void visit(OWLAsymmetricObjectPropertyAxiom axiom) {
	String propertyURI = axiom.getProperty().asOWLObjectProperty().toStringID();
	ParameterizedSparqlString query = new ParameterizedSparqlString("?s ?p ?o . FILTER NOT EXISTS{?o ?p ?s}");
	query.setIri("p", propertyURI);
	sparql += query.toString();
}

开发者ID:SmartDataAnalytics，项目名称:OWL2SPARQL，代码行数:8，代码来源:OWLAxiomToSPARQLConverter.java

示例15: dexSerialization

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
@GET
@Path("/dex")
@Produces({ WebUtil.MEDIA_TYPE_APPLICATION_NTRIPLE,
		WebUtil.MEDIA_TYPE_APPLICATION_RDFJSON,
		WebUtil.MEDIA_TYPE_APPLICATION_RDFXML, MediaType.TEXT_PLAIN,
		WebUtil.MEDIA_TYPE_TEXT_N3, WebUtil.MEDIA_TYPE_TEXT_TURTLE })
public Response dexSerialization(@QueryParam("id") String uuid,
		@Context Request request) {

	Variant variant = request.selectVariant(WebUtil.VARIANTS);
	MediaType mediaType = variant.getMediaType();

	Repository repository = RepositoryManager.getInstance().getRepository();
	OntModel ontModel = repository.getMDRDatabase().getOntModel();
	String queryString;

	File file = new File(
			"../web/src/main/resources/rest/dex-serialization-query.rq");
	try {
		queryString = FileUtils.readFileToString(file);
	} catch (IOException e) {
		logger.error("File with dex serialization query could not be found ");
		return Response.serverError().build();
	}

	ParameterizedSparqlString query = new ParameterizedSparqlString(
			queryString);
	query.setLiteral("uuid", ResourceFactory.createTypedLiteral(uuid));
	QueryExecution qe = QueryExecutionFactory.create(query.asQuery(),
			ontModel);
	Model resultModel = qe.execConstruct();

	graphStream.setModel(resultModel);
	graphStream.setLanguage(WebUtil.getSerializationLanguage(mediaType
			.toString()));

	return Response.ok(graphStream).build();
}

开发者ID:srdc，项目名称:semanticMDR，代码行数:39，代码来源:SerializationService.java

示例16: getAllContexts

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
@GET
@Path("/all")
@Produces({ WebUtil.MEDIA_TYPE_APPLICATION_NTRIPLE,
		WebUtil.MEDIA_TYPE_APPLICATION_RDFJSON,
		WebUtil.MEDIA_TYPE_APPLICATION_RDFXML, MediaType.TEXT_PLAIN,
		WebUtil.MEDIA_TYPE_TEXT_N3, WebUtil.MEDIA_TYPE_TEXT_TURTLE })
public Response getAllContexts(@Context Request request) {

	Variant variant = request.selectVariant(WebUtil.VARIANTS);
	MediaType mediaType = variant.getMediaType();

	Repository repository = RepositoryManager.getInstance().getRepository();
	OntModel ontModel = repository.getMDRDatabase().getOntModel();

	String queryString;
	File file = new File(QUERY_FILE_GET_ALL_CONTEXTS);
	try {
		queryString = FileUtils.readFileToString(file);
	} catch (IOException e) {
		logger.error("File with context serialization query could not be found ");
		return Response.serverError().build();
	}

	ParameterizedSparqlString query = new ParameterizedSparqlString(
			queryString);
	QueryExecution qe = QueryExecutionFactory.create(query.asQuery(),
			ontModel);
	Model resultModel = qe.execConstruct();

	graphStream.setModel(resultModel);
	graphStream.setLanguage(WebUtil.getSerializationLanguage(mediaType
			.toString()));

	return Response.ok(graphStream).build();
}

开发者ID:srdc，项目名称:semanticMDR，代码行数:36，代码来源:ContextService.java

示例17: getDataElements

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
@GET
@Path("/{contextid}/de")
@Produces({ WebUtil.MEDIA_TYPE_APPLICATION_NTRIPLE,
		WebUtil.MEDIA_TYPE_APPLICATION_RDFJSON,
		WebUtil.MEDIA_TYPE_APPLICATION_RDFXML, MediaType.TEXT_PLAIN,
		WebUtil.MEDIA_TYPE_TEXT_N3, WebUtil.MEDIA_TYPE_TEXT_TURTLE })
public Response getDataElements(@PathParam("contextid") String contextId,
		@Context Request request) {

	Variant variant = request.selectVariant(WebUtil.VARIANTS);
	MediaType mediaType = variant.getMediaType();

	Repository repository = RepositoryManager.getInstance().getRepository();
	OntModel ontModel = repository.getMDRDatabase().getOntModel();

	String queryString;
	File file = new File(QUERY_FILE_GET_ALL_FROM_CONTEXT);
	try {
		queryString = FileUtils.readFileToString(file);
	} catch (IOException e) {
		logger.error("File with context serialization query could not be found ");
		return Response.serverError().build();
	}

	ParameterizedSparqlString query = new ParameterizedSparqlString(
			queryString);
	query.setLiteral("uuid", ResourceFactory.createTypedLiteral(contextId));
	QueryExecution qe = QueryExecutionFactory.create(query.asQuery(),
			ontModel);
	Model resultModel = qe.execConstruct();

	graphStream.setModel(resultModel);
	graphStream.setLanguage(WebUtil.getSerializationLanguage(mediaType
			.toString()));

	return Response.ok(graphStream).build();
}

开发者ID:srdc，项目名称:semanticMDR，代码行数:38，代码来源:ContextService.java

示例18: importUpload

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
public String importUpload(Model model, String context) {
//        String content = convertModelToString(model);
//        VirtGraph set = new VirtGraph(context, ENDPOINT, USER, PW);
//        Model m = ModelFactory.createDefaultModel();
//        m.read(new StringReader(content), null, Lang.N3.getName());
//        List<Triple> triples = new ArrayList<Triple>();
//        StmtIterator stmtIt = m.listStatements();
//
//        while (stmtIt.hasNext()) {
//            triples.add(stmtIt.nextStatement().asTriple());
//        }
//
//        GraphUtil.add(set, triples);
//
//        return null;


        VirtGraph set = new VirtGraph(context, ENDPOINT, USER, PW);
		StmtIterator stmtIt = model.listStatements();

		int i = 0;
		Model tempModel = ModelFactory.createDefaultModel();

		while (stmtIt.hasNext()) {
			tempModel.add(stmtIt.next());
			i++;

			if (i == BATCH_SIZE || !stmtIt.hasNext()) {
                System.out.println("batch");
                String query = "INSERT INTO ?g {";
				query += convertModelToString(tempModel);
				query += "}";

		        ParameterizedSparqlString prepareQuery = new ParameterizedSparqlString(query);
		        prepareQuery.setIri("g", context);
				VirtuosoUpdateRequest vur = VirtuosoUpdateFactory.create(prepareQuery.toString(), set);
				vur.exec();
				i = 0;
				tempModel = ModelFactory.createDefaultModel();
			}
		}

		return null;
	}

开发者ID:bayerls，项目名称:statistics2cubes，代码行数:45，代码来源:VirtuosoDao.java

示例19: getWikidataLabelById

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
/**
     * Sample query: "https://www.wikidata.org/wiki/Q6607" for guitar
     * @param id
     * @return DBPedia response
     */
    public String getWikidataLabelById(String id) {
    	
    	String res = "";
    	
        ParameterizedSparqlString qs = new ParameterizedSparqlString( "" +
                "prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#>\n" +
                "prefix wd: <http://www.wikidata.org/entity/>\n" +
                "\n" +
                "select *\n" +
                "where {\n" +
				"         wd:Q" + id + " rdfs:label ?label .\n" +
                "	      FILTER (LANG(?label) = 'en') .\n" + 
                "      }\n" + 
                "LIMIT 1" 
                );

//        Literal labelLiteral = ResourceFactory.createLangLiteral( label, "en" );
//        qs.setParam("label", labelLiteral);

        log.debug( qs );

        QueryExecution exec = QueryExecutionFactory.sparqlService(SPARQL_ENDPOINT, qs.asQuery());

        ResultSet resultSet = exec.execSelect();
        
        // Normally you'd just do results = exec.execSelect(), but I want to 
        // use this ResultSet twice, so I'm making a copy of it.  
        ResultSet results = ResultSetFactory.copyResults( resultSet );

        while ( results.hasNext() ) {
            // As RobV pointed out, don't use the `?` in the variable
            // name here. Use *just* the name of the variable.
//            System.out.println( results.next().get( "resource" ));
        	QuerySolution resQs = results.next();
            res = res + resQs.get( "resource" ) + "#";
            res = res + resQs.get( "description" );
//            System.out.println( resQs.get( "resource" ));
//            System.out.println( resQs.get( "description" ));
        }

        // A simpler way of printing the results.
        ResultSetFormatter.out( results );
//        return results.toString();
        if (res.equals(""))
        	res = "#";
        return res;
    }

开发者ID:gsergiu，项目名称:music-genres，代码行数:53，代码来源:WikidataApiClient.java

示例20: queryDBPedia

import com.hp.hpl.jena.query.ParameterizedSparqlString; //导入依赖的package包/类
/**
     * Sample query: "http://dbpedia.org/page/Chicago_blues"
     * @param label
     * @return DBPedia response
     */
    public String queryDBPedia(String label) {
    	
    	String res = "";
    	
        ParameterizedSparqlString qs = new ParameterizedSparqlString( "" +
                "prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#>\n" +
                "\n" +
                "select ?resource ?description where {\n" +
//                "	  ?resource rdfs:label \"" + label + "\"@en .\n" +
				"     ?resource rdfs:label ?label .\n" +
                "	  ?resource rdfs:comment ?description .\n" +
                "	  FILTER (LANG(?description) = 'en') .\n" + 
//                "select ?resource where {\n" +
//                "  ?resource rdfs:label ?label\n" +
                "}" );

        Literal labelLiteral = ResourceFactory.createLangLiteral( label, "en" );
        qs.setParam("label", labelLiteral);

        System.out.println( qs );

        QueryExecution exec = QueryExecutionFactory.sparqlService("http://dbpedia.org/sparql", qs.asQuery());

        // Normally you'd just do results = exec.execSelect(), but I want to 
        // use this ResultSet twice, so I'm making a copy of it.  
        ResultSet results = ResultSetFactory.copyResults( exec.execSelect() );

        while ( results.hasNext() ) {
            // As RobV pointed out, don't use the `?` in the variable
            // name here. Use *just* the name of the variable.
//            System.out.println( results.next().get( "resource" ));
        	QuerySolution resQs = results.next();
            res = res + resQs.get( "resource" ) + "#";
            res = res + resQs.get( "description" );
//            System.out.println( resQs.get( "resource" ));
//            System.out.println( resQs.get( "description" ));
        }

        // A simpler way of printing the results.
        ResultSetFormatter.out( results );
//        return results.toString();
        if (res.equals(""))
        	res = "#";
        return res;
    }

开发者ID:gsergiu，项目名称:music-genres，代码行数:51，代码来源:DBPediaApiClient.java

注：本文中的com.hp.hpl.jena.query.ParameterizedSparqlString类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Java ParameterizedSparqlString类代码示例

示例1: addUserParameters

示例2: getQuery

示例3: getInstances

示例4: getSubtypes

示例5: transform

示例6: main

示例7: deleteCube

示例8: rdfAnalysisProvider

示例9: setPSSLiteral

示例10: setPSSIri

示例11: setPSSResource

示例12: getIdFromDBpedia

示例13: getQuery

示例14: visit

示例15: dexSerialization

示例16: getAllContexts

示例17: getDataElements

示例18: importUpload

示例19: getWikidataLabelById

示例20: queryDBPedia

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