[2] | 1 | package org.biohackathon.SPARQLBuilder.OWL;
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| 2 |
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| 3 | import java.nio.charset.Charset;
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| 4 | import java.util.ArrayList;
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| 5 | import java.util.Collection;
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| 6 | import java.util.HashMap;
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| 7 | import java.util.HashSet;
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| 8 | import java.util.List;
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| 9 | import java.util.Set;
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| 10 |
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| 11 | import org.apache.http.HttpEntity;
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| 12 | import org.apache.http.HttpResponse;
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| 13 | import org.apache.http.NameValuePair;
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| 14 | import org.apache.http.client.HttpClient;
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| 15 | import org.apache.http.client.entity.UrlEncodedFormEntity;
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| 16 | import org.apache.http.client.methods.HttpPost;
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| 17 | import org.apache.http.impl.client.HttpClientBuilder;
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| 18 | import org.apache.http.message.BasicNameValuePair;
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| 19 | import org.apache.http.util.EntityUtils;
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| 20 |
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| 21 | import com.hp.hpl.jena.query.Query;
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| 22 | import com.hp.hpl.jena.query.QueryExecution;
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| 23 | import com.hp.hpl.jena.query.QueryExecutionFactory;
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| 24 | import com.hp.hpl.jena.query.QueryFactory;
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| 25 | import com.hp.hpl.jena.query.QuerySolution;
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| 26 | import com.hp.hpl.jena.query.ResultSet;
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| 27 | import com.hp.hpl.jena.rdf.model.Resource;
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| 28 | /**
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| 29 | * 繧ッ繧ィ繝ェ繧堤函謌舌☆繧九◆繧√�讖溯�繧呈署萓帙☆繧区ク繧ッ繝ゥ繧ケ
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| 30 | * @author Norio KOBAYASHI
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| 31 | * @since 28.01.2014
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| 32 | * @version 29.01.2014
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| 33 | */
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| 34 | public class OWLQueryBuilderImpl implements OWLQueryBuilder {
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| 35 |
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| 36 | // private Model model = null;
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| 37 | private String endpointURI = null;
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| 38 |
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| 39 |
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| 40 | /**
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| 41 | * 繧「繧ッ繧サ繧ケ縺吶kSPARQL endpoint縺ョURI繧呈欠螳壹☆繧区ァ区�蟄� |
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| 42 | *
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| 43 | * @param endpointURI縲繧「繧ッ繧サ繧ケ縺吶kSPARQL endpoint縺ョURI
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| 44 | * @throws Exception
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| 45 | * @since 28.01.2014
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| 46 | */
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| 47 | public OWLQueryBuilderImpl(String endpointURI) {
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| 48 | this.endpointURI = endpointURI;
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| 49 | }
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| 50 |
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| 51 | /**
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| 52 | * 繝�せ繝医↓菴ソ逕ィ縺吶kmain繝。繧ス繝�ラ
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| 53 | * <p>
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| 54 | * 繧ッ繧ィ繝ェ繝薙Ν繝繝シ縺ョ譛ャ逡ェ繝励Ο繧ー繝ゥ繝縺ァ縺ッ縺薙�繝。繧ス繝�ラ縺ッ菴ソ逕ィ縺励↑縺� |
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| 55 | * </p>
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| 56 | * @param args 菴ソ逕ィ縺励↑縺� |
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| 57 | * @throws Exception
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| 58 | * @since 28.01.2014
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| 59 | */
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| 60 | public static void main(String[] args) throws Exception {
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| 61 | String sparqlEndpoint = "http://dbpedia.org/sparql";
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| 62 | String keyword = "artiste";
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| 63 | String[] graphURIs = new String[0];
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| 64 |
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| 65 | OWLQueryBuilder builder = new OWLQueryBuilderImpl(sparqlEndpoint);
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| 66 | String[] clsURIs = builder.getOWLClasses(graphURIs, keyword);
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| 67 | for(String cls: clsURIs){
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| 68 | System.out.println(cls);
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| 69 | }
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| 70 |
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| 71 | System.out.println("CLS");
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| 72 | ClassLink[] cls = builder.getNextClass(null, clsURIs[0], 0);
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| 73 | if( cls != null ){
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| 74 | for( ClassLink cl: cls){
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| 75 | System.out.println(cl.toString());
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| 76 | }
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| 77 | }
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| 78 |
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| 79 | System.out.println("CLS-INS");
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| 80 | cls = builder.getNextClassViaInstanceLink(null, clsURIs[0], 100);
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| 81 | if( cls != null ){
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| 82 | for( ClassLink cl: cls){
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| 83 | System.out.println(cl.toString());
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | System.out.println("Instances");
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| 88 | Instance[] ins = builder.getInstances(null, "\"A.C. Reed\"@en");
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| 89 | if( ins != null ){
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| 90 | for( Instance in: ins){
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| 91 | System.out.println(in.toString());
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| 92 | }
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| 93 | }
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| 94 |
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| 95 |
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| 96 | System.out.println("INS-INS");
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| 97 | ins = builder.getInstances(null, "\"A.C. Reed\"@en");
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| 98 | InstanceLink[] iLinks = builder.getNextInstancesViaInstanceLink(null, ins[0].getInstanceURI(), 100);
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| 99 |
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| 100 |
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| 101 |
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| 102 | if( iLinks != null ){
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| 103 | for( InstanceLink in: iLinks){
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| 104 | System.out.println(in.toString());
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| 105 | }
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| 106 | }
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| 107 |
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| 108 |
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| 109 | }
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| 110 |
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| 111 |
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| 112 | /**
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| 113 | * 譏守、コ逧�↓RDF縺ァ譖ク縺九l縺ヲ縺�k繧ッ繝ゥ繧ケ繧貞叙蠕励☆繧� |
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| 114 | * <p>
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| 115 | * 謖�ョ壹&繧後◆graphURIs縺ョ荳ュ縺九i縲√く繝シ繝ッ繝シ繝峨↓繝偵ャ繝医☆繧九Λ繝吶Ν繧呈戟縺、繧ッ繝ゥ繧ケ��dfs:Class�峨r縺吶∋縺ヲ霑斐☆
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| 116 | * <br>
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| 117 | * </p>
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| 118 | *
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| 119 | * @param graphURIs縲讀懃エ「蟇セ雎。縺ョgraph縺ョURI驟榊� (null繧�聞縺�縺ョ驟榊�繧ょ庄)
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| 120 | * @param keyword ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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| 121 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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| 122 | * @throws Exception
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| 123 | * @since 28.01.2014
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| 124 | */
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| 125 | public String[] getOWLClasses(String[] graphURIs, String keyword)
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| 126 | throws Exception {
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| 127 | StringBuffer queryStr = new StringBuffer();
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| 128 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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| 129 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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| 130 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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| 131 | queryStr.append("SELECT DISTINCT ?c \n");
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| 132 | if (graphURIs != null) {
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| 133 | for (String graphURI : graphURIs) {
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| 134 | queryStr.append("FROM <");
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| 135 | queryStr.append(graphURI);
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| 136 | queryStr.append(">\n");
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| 137 | }
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| 138 | }
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| 139 | queryStr.append("WHERE{\n");
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| 140 |
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| 141 | queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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| 142 |
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| 143 | queryStr.append(" ?c rdfs:label ?label.\n");
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| 144 |
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| 145 | // queryStr.append(" ?c rdfs:label ");
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| 146 | // queryStr.append(keyword);
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| 147 | // queryStr.append(".");
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| 148 |
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| 149 | queryStr.append(" FILTER (\n");
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| 150 | queryStr.append(" REGEX( ?label , \"");
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| 151 | queryStr.append(keyword);
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| 152 | queryStr.append("\" , \"i\" )\n");
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| 153 | queryStr.append(" )");
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| 154 | queryStr.append("\n}");
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| 155 |
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| 156 | System.out.println(queryStr.toString());
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| 157 |
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| 158 | Query query = QueryFactory.create(queryStr.toString());
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| 159 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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| 160 | query);
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| 161 |
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| 162 | ResultSet results = qexec.execSelect();
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| 163 | ArrayList<String> solStrings = new ArrayList<String>();
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| 164 | for (; results.hasNext();) {
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| 165 | QuerySolution sol = results.next();
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| 166 | Resource res = sol.getResource("c");
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| 167 | String uri = res.getURI();
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| 168 | solStrings.add(uri);
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| 169 | }
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| 170 | qexec.close();
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| 171 | return solStrings.toArray(new String[0]);
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| 172 | }
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| 173 |
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| 174 |
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| 175 | /**
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| 176 | *縲繧、繝ウ繧ケ繧ソ繝ウ繧ケ繧貞叙蠕励☆繧� |
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| 177 | * <p>
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| 178 | * 謖�ョ壹&繧後◆graphURIs縺ョ荳ュ縺九i縲√く繝シ繝ッ繝シ繝峨↓繝偵ャ繝医☆繧九Λ繝吶Ν繧呈戟縺、繧、繝ウ繧ケ繧ソ繝ウ繧ケ繧偵☆縺ケ縺ヲ霑斐☆
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| 179 | * <br>
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| 180 | * 縺薙%縺ァ繧、繝ウ繧ケ繧ソ繝ウ繧ケ縺ィ縺ッ縲〉df:type縺ョ荳サ隱槭→縺励※險倩ソー縺輔l縺ヲ縺�k繧ゅ�繧偵>縺� |
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| 181 | * <br>
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| 182 | * </p>
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| 183 | *
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| 184 | * @param graphURIs縲讀懃エ「蟇セ雎。縺ョgraph縺ョURI驟榊� (null繧�聞縺�縺ョ驟榊�繧ょ庄)
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| 185 | * @param keyword ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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| 186 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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| 187 | * @throws Exception
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| 188 | * @since 28.01.2014
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| 189 | */
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| 190 | public Instance[] getInstances(String[] graphURIs, String keyword)
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| 191 | throws Exception {
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| 192 | StringBuffer queryStr = new StringBuffer();
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| 193 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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| 194 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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| 195 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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| 196 | queryStr.append("SELECT DISTINCT ?ins ?c \n");
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| 197 | if (graphURIs != null) {
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| 198 | for (String graphURI : graphURIs) {
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| 199 | queryStr.append("FROM <");
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| 200 | queryStr.append(graphURI);
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| 201 | queryStr.append(">\n");
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| 202 | }
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| 203 | }
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| 204 | queryStr.append("WHERE{\n");
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| 205 | // queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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| 206 |
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| 207 |
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| 208 | queryStr.append(" ?ins rdf:type ?c.\n");
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| 209 | queryStr.append(" ?ins rdfs:label ");
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| 210 | queryStr.append(keyword);
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| 211 | queryStr.append(".\n");
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| 212 | queryStr.append(" FILTER (?c != rdf:Property)");
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| 213 | queryStr.append("}");
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| 214 |
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| 215 | // System.out.println(queryStr.toString());
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| 216 |
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| 217 | Query query = QueryFactory.create(queryStr.toString());
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| 218 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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| 219 | query);
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| 220 |
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| 221 | ResultSet results = qexec.execSelect();
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| 222 | HashMap<String, HashSet<String>> instanceMap = new HashMap<String, HashSet<String>>();
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| 223 | for (; results.hasNext();) {
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| 224 | QuerySolution sol = results.next();
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| 225 | Resource cls = sol.getResource("c");
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| 226 | Resource ins = sol.getResource("ins");
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| 227 | String clsURI = cls.getURI();
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| 228 | String insURI = ins.getURI();
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| 229 | if( instanceMap.containsKey(insURI)){
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| 230 | HashSet<String> classes = instanceMap.get(insURI);
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| 231 | classes.add(clsURI);
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| 232 | }else{
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| 233 | HashSet<String> classes = new HashSet<String>();
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| 234 | instanceMap.put(insURI, classes);
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| 235 | classes.add(clsURI);
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| 236 | }
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| 237 | }
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| 238 | qexec.close();
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| 239 | Set<String> keySet = instanceMap.keySet();
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| 240 | ArrayList<Instance> instanceList = new ArrayList<Instance>();
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| 241 | for(String key: keySet){
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| 242 | Instance ins = new Instance(key, instanceMap.get(key).toArray(new String[0]));
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| 243 | instanceList.add(ins);
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| 244 | }
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| 245 | return instanceList.toArray(new Instance[0]);
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| 246 | }
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| 247 |
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| 248 |
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| 249 | /**
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| 250 | *縲謖�ョ壹&繧後◆繧ッ繝ゥ繧ケ繧定オキ轤ケ縺ィ縺励∵�遉コ逧�↓險倩ソー縺輔l縺ヲ縺�kOWL縺ョproperty蛻カ邏�r隱ソ縺ケ縲√◎縺ョproperty蛻カ邏�〒
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| 251 | * 髢「騾」縺・縺代i繧後※縺�k繧ッ繝ゥ繧ケ繧堤カイ鄒�噪縺ォ蜿門セ励☆繧� |
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| 252 | * <p>
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| 253 | * 蜃ヲ逅�ッセ雎。繝��繧ソ繧暖raphURIs縺ァ謖�ョ壹☆繧九%縺ィ縺後〒縺阪k
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| 254 | * <br>
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| 255 | * <br>
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| 256 | * </p>
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| 257 | *
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| 258 | * @param graphURIs縲讀懃エ「蟇セ雎。縺ョgraph縺ョURI驟榊� 縲(null繧�聞縺�縺ョ驟榊�繧ょ庄)
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| 259 | * @param originClass 襍キ轤ケ縺ィ縺ェ繧九け繝ゥ繧ケ縺ョURI縲��ull荳榊庄�� |
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| 260 | * @param limit 隗」縺ィ縺励※霑斐&繧後kClassLink驟榊�縺ョ髟キ縺輔�荳企剞蛟、繧呈欠螳壹☆繧九�荳企剞蛟、繧定ィュ螳壹@縺ェ縺�エ蜷医�0莉・荳九�蛟、繧呈欠螳壹☆繧�
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| 261 | * @return ClassLink縺ョ驟榊�縲ゅ%縺薙↓縺ッ縲∝叙蠕励&繧後◆繧ッ繝ゥ繧ケ縺ィ髢「菫ゅ▼縺代i繧後※縺�k繝励Ο繝代ユ繧」縲�未菫ゅ�蜷代″縺悟性縺セ繧後k縲� |
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| 262 | * @throws Exception
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| 263 | * @since 28.01.2014
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| 264 | */
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| 265 | public ClassLink[] getNextClass(String[] graphURIs, String originClass,
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| 266 | int limit) throws Exception {
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| 267 | StringBuffer queryStr = new StringBuffer();
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| 268 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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| 269 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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| 270 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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| 271 | queryStr.append("SELECT DISTINCT ?p ?pDirection ?c \n");
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| 272 | if (graphURIs != null) {
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| 273 | for (String graphURI : graphURIs) {
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| 274 | queryStr.append("FROM <");
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| 275 | queryStr.append(graphURI);
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| 276 | queryStr.append(">\n");
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| 277 | }
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| 278 | }
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| 279 | queryStr.append("WHERE{\n");
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| 280 | queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
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| 281 | queryStr.append(" { ?p rdfs:domain <");
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| 282 | queryStr.append(originClass);
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| 283 | queryStr.append(">.\n ?p rdfs:range ?c.}\n UNION\n");
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| 284 | queryStr.append(" { ?p rdfs:range <");
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| 285 | queryStr.append(originClass);
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| 286 | queryStr.append(">.\n ?p rdfs:domain ?c.}\n");
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| 287 | queryStr.append(" ?p ?pDirection ?c.\n");
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| 288 | queryStr.append("}\n");
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| 289 | if (limit > 0) {
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| 290 | queryStr.append("limit ");
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| 291 | queryStr.append(limit);
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| 292 | queryStr.append("\n");
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| 293 | }
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| 294 |
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| 295 | // System.out.println(queryStr.toString());
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| 296 |
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| 297 | Query query = QueryFactory.create(queryStr.toString());
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| 298 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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| 299 | query);
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| 300 |
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| 301 | ResultSet results = qexec.execSelect();
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| 302 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
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| 303 | for (; results.hasNext();) {
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| 304 | QuerySolution sol = results.next();
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| 305 | Resource pro = sol.getResource("p");
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| 306 | Resource cls = sol.getResource("c");
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| 307 | Resource dir = sol.getResource("pDirection");
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| 308 | String proURI = pro.getURI();
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| 309 | String clsURI = cls.getURI();
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| 310 | String dirURI = dir.getURI();
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| 311 |
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| 312 | // System.out.println(pro.getURI() + " " + cls.getURI() + " " + dir.getURI());
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| 313 |
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| 314 |
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| 315 | Direction direction = null;
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| 316 | if( dirURI.equals("http://www.w3.org/2000/01/rdf-schema#domain") || dirURI.equals("rdfs:domain")){
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| 317 | direction = Direction.reverse;
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| 318 | }
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| 319 | if( dirURI.equals("http://www.w3.org/2000/01/rdf-schema#range") || dirURI.equals("rdfs:range")){
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| 320 | if( direction != null ){
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| 321 | direction = Direction.both;
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| 322 | }else{
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| 323 | direction = Direction.forward;
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| 324 | }
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| 325 | }
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| 326 | // System.out.println(direction);
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| 327 | ClassLink cl = new ClassLink(proURI, clsURI, direction, 0);
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| 328 | solCLs.add(cl);
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| 329 | }
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| 330 | qexec.close();
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| 331 | return solCLs.toArray(new ClassLink[0]);
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| 332 | }
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| 333 |
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| 334 |
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| 335 | /**
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| 336 | *縲謖�ョ壹&繧後◆繧ッ繝ゥ繧ケ繧定オキ轤ケ縺ィ縺励√◎縺ョ繧ッ繝ゥ繧ケ縺ォ螻槭@縺ヲ縺�k繧、繝ウ繧ケ繧ソ繝ウ繧ケ縺ィ繝ェ繝ウ繧ッ縺悟シオ繧峨l縺ヲ縺�k繧、繝ウ繧ケ繧ソ繝ウ繧ケ縺ョ髮�粋繧貞叙蠕励@縲∝叙蠕励@縺溘う繝ウ繧ケ繧ソ繝ウ繧ケ縺ョ繧ッ繝ゥ繧ケ繧堤カイ鄒�噪縺ォ蜿門セ励☆繧� |
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| 337 | * <p>
|
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| 338 | * 縺薙%縺ァ繧、繝ウ繧ケ繧ソ繝ウ繧ケ縺ィ縺ッ縲〉df:type縺ョ荳サ隱槭→縺励※險倩ソー縺輔l縺ヲ縺�k繧ゅ�繧偵>縺� |
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| 339 | * <br>
|
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| 340 | * 蜃ヲ逅�ッセ雎。繝��繧ソ繧暖raphURIs縺ァ謖�ョ壹☆繧九%縺ィ縺後〒縺阪k
|
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| 341 | * <br>
|
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| 342 | * </p>
|
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| 343 | *
|
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| 344 | * @param graphURIs縲讀懃エ「蟇セ雎。縺ョgraph縺ョURI驟榊� 縲(null繧�聞縺�縺ョ驟榊�繧ょ庄)
|
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| 345 | * @param originClass 襍キ轤ケ縺ィ縺ェ繧九け繝ゥ繧ケ縺ョURI縲��ull荳榊庄�� |
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| 346 | * @param limit 隗」縺ィ縺励※霑斐&繧後kClassLink驟榊�縺ョ髟キ縺輔�荳企剞蛟、繧呈欠螳壹☆繧九�荳企剞蛟、繧定ィュ螳壹@縺ェ縺�エ蜷医�0莉・荳九�蛟、繧呈欠螳壹☆繧�
|
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| 347 | * @return ClassLink縺ョ驟榊�縲ゅ%縺薙↓縺ッ縲∝叙蠕励&繧後◆繧ッ繝ゥ繧ケ縺ィ髢「菫ゅ▼縺代i繧後※縺�k繝励Ο繝代ユ繧」縲�未菫ゅ�蜷代″縺悟性縺セ繧後k縲� |
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| 348 | * @throws Exception
|
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| 349 | * @since 28.01.2014
|
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| 350 | */
|
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| 351 | public ClassLink[] getNextClassViaInstanceLink(String[] graphURIs, String originClass,
|
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| 352 | int limit) throws Exception {
|
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| 353 | StringBuffer queryStr = new StringBuffer();
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| 354 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
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| 355 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
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| 356 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
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| 357 | queryStr.append("SELECT DISTINCT ?pf ?pr ?c \n");
|
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| 358 | if (graphURIs != null) {
|
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| 359 | for (String graphURI : graphURIs) {
|
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| 360 | queryStr.append("FROM <");
|
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| 361 | queryStr.append(graphURI);
|
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| 362 | queryStr.append(">\n");
|
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| 363 | }
|
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| 364 | }
|
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| 365 | queryStr.append("WHERE{\n");
|
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| 366 | queryStr.append(" ?ins rdf:type ?c.\n");
|
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| 367 | queryStr.append(" ?insOrg rdf:type <");
|
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| 368 | queryStr.append(originClass);
|
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| 369 | queryStr.append(">.\n");
|
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| 370 | queryStr.append(" { ?ins ?pr ?insOrg. }\n UNION { ?insOrg ?pf ?ins. }\n");
|
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| 371 | queryStr.append("}\n");
|
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| 372 | if (limit > 0) {
|
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| 373 | queryStr.append("limit ");
|
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| 374 | queryStr.append(limit);
|
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| 375 | queryStr.append("\n");
|
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| 376 | }
|
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| 377 |
|
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| 378 | // System.out.println(queryStr.toString());
|
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| 379 |
|
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| 380 | Query query = QueryFactory.create(queryStr.toString());
|
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| 381 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
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| 382 | query);
|
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| 383 |
|
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| 384 | ResultSet results = qexec.execSelect();
|
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| 385 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
|
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| 386 | for (; results.hasNext();) {
|
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| 387 | QuerySolution sol = results.next();
|
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| 388 | Resource proForward = sol.getResource("pf");
|
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| 389 | Resource proReverse = sol.getResource("pr");
|
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| 390 | Resource cls = sol.getResource("c");
|
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| 391 | Direction direction = null;
|
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| 392 | String propURI = null;
|
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| 393 | if( proForward != null ){
|
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| 394 | if( proReverse != null ){
|
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| 395 | direction = Direction.both;
|
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| 396 | }else{
|
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| 397 | direction = Direction.forward;
|
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| 398 | }
|
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| 399 | propURI = proForward.getURI();
|
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| 400 | }else{
|
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| 401 | direction = Direction.reverse;
|
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| 402 | propURI = proReverse.getURI();
|
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| 403 | }
|
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| 404 | String clsURI = cls.getURI();
|
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| 405 | // System.out.println(propURI + " " + clsURI + " " + direction);
|
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| 406 |
|
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| 407 | ClassLink cl = new ClassLink(propURI, clsURI, direction, 0);
|
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| 408 | solCLs.add(cl);
|
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| 409 | }
|
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| 410 | qexec.close();
|
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| 411 | return solCLs.toArray(new ClassLink[0]);
|
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| 412 | }
|
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| 413 |
|
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| 414 |
|
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| 415 |
|
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| 416 | public Path[] getPaths(String startClass, String endClass) throws Exception {
|
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| 417 | OWLClassGraph graph = new OWLClassGraph(startClass, endClass);
|
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| 418 | return graph.getPaths(this);
|
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| 419 | }
|
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| 420 |
|
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| 421 | public String createSPARQL(Path path) throws Exception {
|
---|
| 422 | return null;
|
---|
| 423 | }
|
---|
| 424 |
|
---|
| 425 |
|
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| 426 |
|
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| 427 |
|
---|
| 428 | /*
|
---|
| 429 | private String executeSelect(String sparqlQuery) throws Exception {
|
---|
| 430 | HttpClient client = HttpClientBuilder.create().build();
|
---|
| 431 | HttpPost httppost = new HttpPost(endpointURI);
|
---|
| 432 | httppost.setHeader("Content-Type", "application/x-www-form-urlencoded");
|
---|
| 433 | httppost.setHeader("Accept", "application/sparql-results+xml");
|
---|
| 434 | List<NameValuePair> nvpList = new ArrayList<NameValuePair>();
|
---|
| 435 | nvpList.add(new BasicNameValuePair("query", sparqlQuery));
|
---|
| 436 | // nvpList.add(new BasicNameValuePair("format",
|
---|
| 437 | // outputFormat.getMime()));
|
---|
| 438 | httppost.setEntity(new UrlEncodedFormEntity(nvpList, Charset
|
---|
| 439 | .forName("UTF-8")));
|
---|
| 440 | HttpResponse response = client.execute(httppost);
|
---|
| 441 | // System.out.println("[StatusLine] " + response.getStatusLine());
|
---|
| 442 | HttpEntity entity = response.getEntity();
|
---|
| 443 | String entityString = EntityUtils.toString(entity, "UTF-8");
|
---|
| 444 | return entityString;
|
---|
| 445 | }
|
---|
| 446 | */
|
---|
| 447 |
|
---|
| 448 | /**
|
---|
| 449 | *縲謖�ョ壹&繧後◆繧、繝ウ繧ケ繧ソ繝ウ繧ケ繧定オキ轤ケ縺ィ縺励√◎縺ョ繧、繝ウ繧ケ繧ソ繝ウ繧ケ縺ォ繝ェ繝ウ繧ッ縺悟シオ繧峨l縺ヲ縺�k繧、繝ウ繧ケ繧ソ繝ウ繧ケ縺ョ髮�粋繧貞叙蠕励☆繧九� |
---|
| 450 | *縲蜿門セ励&繧後◆蜷�う繝ウ繧ケ繧ソ繝ウ繧ケ縺ョ繧ッ繝ゥ繧ケ繧らカイ鄒�噪縺ォ蜿門セ励☆繧� |
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| 451 | * <p>
|
---|
| 452 | * 縺薙%縺ァ繧、繝ウ繧ケ繧ソ繝ウ繧ケ縺ィ縺ッ縲〉df:type縺ョ荳サ隱槭→縺励※險倩ソー縺輔l縺ヲ縺�k繧ゅ�繧偵>縺� |
---|
| 453 | * <br>
|
---|
| 454 | * 蜃ヲ逅�ッセ雎。繝��繧ソ繧暖raphURIs縺ァ謖�ョ壹☆繧九%縺ィ縺後〒縺阪k
|
---|
| 455 | * <br>
|
---|
| 456 | * </p>
|
---|
| 457 | *
|
---|
| 458 | * @param graphURIs縲讀懃エ「蟇セ雎。縺ョgraph縺ョURI驟榊� 縲(null繧�聞縺�縺ョ驟榊�繧ょ庄)
|
---|
| 459 | * @param originInstance 襍キ轤ケ縺ィ縺ェ繧九う繝ウ繧ケ繧ソ繝ウ繧ケ縺ョURI縲��ull荳榊庄�� |
---|
| 460 | * @param limit 隗」縺ィ縺励※霑斐&繧後kInstanceLink驟榊�縺ョ髟キ縺輔�荳企剞蛟、繧呈欠螳壹☆繧九�荳企剞蛟、繧定ィュ螳壹@縺ェ縺�エ蜷医�0莉・荳九�蛟、繧呈欠螳壹☆繧�
|
---|
| 461 | * @return InstanceLink縺ョ驟榊�縲ゅ%縺薙↓縺ッ縲∝叙蠕励&繧後◆繧ッ繝ゥ繧ケ縺ィ髢「菫ゅ▼縺代i繧後※縺�k繝励Ο繝代ユ繧」縲�未菫ゅ�蜷代″縺悟性縺セ繧後k縲� |
---|
| 462 | * @throws Exception
|
---|
| 463 | * @since 28.01.2014
|
---|
| 464 | */
|
---|
| 465 | public InstanceLink[] getNextInstancesViaInstanceLink(String[] graphURIs, String originInstance,
|
---|
| 466 | int limit) throws Exception {
|
---|
| 467 | StringBuffer queryStr = new StringBuffer();
|
---|
| 468 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
| 469 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
| 470 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
| 471 | queryStr.append("SELECT DISTINCT ?pf ?pr ?ins ?c \n");
|
---|
| 472 | if (graphURIs != null) {
|
---|
| 473 | for (String graphURI : graphURIs) {
|
---|
| 474 | queryStr.append("FROM <");
|
---|
| 475 | queryStr.append(graphURI);
|
---|
| 476 | queryStr.append(">\n");
|
---|
| 477 | }
|
---|
| 478 | }
|
---|
| 479 | queryStr.append("WHERE{\n");
|
---|
| 480 | // queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
|
---|
| 481 | queryStr.append(" ?ins rdf:type ?c.\n");
|
---|
| 482 | queryStr.append(" { ?ins ?pr <");
|
---|
| 483 | queryStr.append(originInstance);
|
---|
| 484 | queryStr.append(">. }\n UNION { <");
|
---|
| 485 | queryStr.append(originInstance);
|
---|
| 486 | queryStr.append("> ?pf ?ins. }\n");
|
---|
| 487 |
|
---|
| 488 | queryStr.append(" FILTER (?c != rdf:Property)");
|
---|
| 489 |
|
---|
| 490 | queryStr.append("}\n");
|
---|
| 491 | if (limit > 0) {
|
---|
| 492 | queryStr.append("limit ");
|
---|
| 493 | queryStr.append(limit);
|
---|
| 494 | queryStr.append("\n");
|
---|
| 495 | }
|
---|
| 496 |
|
---|
| 497 | // System.out.println(queryStr.toString());
|
---|
| 498 |
|
---|
| 499 | Query query = QueryFactory.create(queryStr.toString());
|
---|
| 500 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
| 501 | query);
|
---|
| 502 |
|
---|
| 503 | ResultSet results = qexec.execSelect();
|
---|
| 504 | HashMap<String, InstanceLink> insLinkMap = new HashMap<String, InstanceLink>();
|
---|
| 505 | for (; results.hasNext();) {
|
---|
| 506 | QuerySolution sol = results.next();
|
---|
| 507 | Resource proForward = sol.getResource("pf");
|
---|
| 508 | Resource proReverse = sol.getResource("pr");
|
---|
| 509 | Resource ins = sol.getResource("ins");
|
---|
| 510 | Resource cls = sol.getResource("c");
|
---|
| 511 | Direction direction = null;
|
---|
| 512 | String propURI = null;
|
---|
| 513 | if( proForward != null ){
|
---|
| 514 | if( proReverse != null ){
|
---|
| 515 | direction = Direction.both;
|
---|
| 516 | }else{
|
---|
| 517 | direction = Direction.forward;
|
---|
| 518 | }
|
---|
| 519 | propURI = proForward.getURI();
|
---|
| 520 | }else{
|
---|
| 521 | direction = Direction.reverse;
|
---|
| 522 | propURI = proReverse.getURI();
|
---|
| 523 | }
|
---|
| 524 | String clsURI = cls.getURI();
|
---|
| 525 | String insURI = ins.getURI();
|
---|
| 526 | String key = propURI + "\t" + insURI + "\t" + direction;
|
---|
| 527 | if( insLinkMap.containsKey(key)){
|
---|
| 528 | InstanceLink insLink = insLinkMap.get(key);
|
---|
| 529 | insLink.addLinkedClassURI(clsURI);
|
---|
| 530 | }else{
|
---|
| 531 | InstanceLink insLink = new InstanceLink(propURI, insURI, new String[]{clsURI}, direction);
|
---|
| 532 | insLinkMap.put(key, insLink);
|
---|
| 533 | }
|
---|
| 534 | }
|
---|
| 535 | qexec.close();
|
---|
| 536 | Collection<InstanceLink> values = insLinkMap.values();
|
---|
| 537 | return values.toArray(new InstanceLink[0]);
|
---|
| 538 | }
|
---|
| 539 |
|
---|
| 540 | }
|
---|