[2] | 1 | package org.biohackathon.SPARQLBuilder.OWL;
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| 2 |
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| 3 | import java.util.ArrayList;
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| 4 | import java.util.Collection;
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| 5 | import java.util.HashMap;
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| 6 | import java.util.HashSet;
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| 7 | import java.util.Set;
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| 8 |
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| 9 | import com.hp.hpl.jena.query.Query;
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| 10 | import com.hp.hpl.jena.query.QueryExecution;
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| 11 | import com.hp.hpl.jena.query.QueryExecutionFactory;
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| 12 | import com.hp.hpl.jena.query.QueryFactory;
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| 13 | import com.hp.hpl.jena.query.QuerySolution;
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| 14 | import com.hp.hpl.jena.query.ResultSet;
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[10] | 15 | import com.hp.hpl.jena.rdf.model.Literal;
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[2] | 16 | import com.hp.hpl.jena.rdf.model.Resource;
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[5] | 17 |
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[2] | 18 | /**
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| 19 | * 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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[22] | 20 | *
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[2] | 21 | * @author Norio KOBAYASHI
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| 22 | * @since 28.01.2014
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| 23 | * @version 29.01.2014
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| 24 | */
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| 25 | public class OWLQueryBuilderImpl implements OWLQueryBuilder {
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| 26 |
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| 27 | // private Model model = null;
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| 28 | private String endpointURI = null;
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| 29 |
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| 30 | /**
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| 31 | * 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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| 32 | *
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[22] | 33 | * @param endpointURI
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| 34 | * 縲繧「繧ッ繧サ繧ケ縺吶kSPARQL endpoint縺ョURI
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[2] | 35 | * @throws Exception
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| 36 | * @since 28.01.2014
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| 37 | */
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| 38 | public OWLQueryBuilderImpl(String endpointURI) {
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| 39 | this.endpointURI = endpointURI;
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| 40 | }
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| 41 |
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| 42 | /**
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| 43 | * 繝�せ繝医↓菴ソ逕ィ縺吶kmain繝。繧ス繝�ラ
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| 44 | * <p>
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| 45 | * 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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| 46 | * </p>
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[22] | 47 | *
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| 48 | * @param args
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| 49 | * 菴ソ逕ィ縺励↑縺� |
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[2] | 50 | * @throws Exception
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| 51 | * @since 28.01.2014
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| 52 | */
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| 53 | public static void main(String[] args) throws Exception {
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[26] | 54 | String sparqlEndpoint = "http://dbpedia.org/sparql";
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[28] | 55 | // String sparqlEndpoint = "http://lsd.dbcls.jp/sparql";
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[26] | 56 | String keyword = "artiste";
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[28] | 57 | // String keyword = "Agent";
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[2] | 58 | String[] graphURIs = new String[0];
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| 59 |
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| 60 | OWLQueryBuilder builder = new OWLQueryBuilderImpl(sparqlEndpoint);
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[28] | 61 | SClass[] clz = builder.getOWLClasses(graphURIs, keyword, false);
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[22] | 62 | for (SClass cls : clz) {
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[2] | 63 | System.out.println(cls);
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| 64 | }
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[31] | 65 | clz = builder.countInstances(null, clz);
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| 66 | for (SClass cls : clz) {
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| 67 | System.out.println(cls);
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| 68 | }
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| 69 |
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[2] | 70 |
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[31] | 71 | /*
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| 72 | System.out.println("CLS");
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| 73 |
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[26] | 74 | ClassLink[] cls = builder.getNextClass(null, clz[1].getClassURI(), 100,
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| 75 | false);
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| 76 | if (cls != null) {
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| 77 | for (ClassLink cl : cls) {
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| 78 | System.out.println(cl.toString());
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| 79 | }
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| 80 | cls = builder.countLinks(null, clz[1].getClassURI(), cls);
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| 81 | for (ClassLink cl : cls) {
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| 82 | System.out.println(cl.toString());
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| 83 | }
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| 84 | }
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[31] | 85 | */
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[22] | 86 | /*
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| 87 | * System.out.println("CLS-INS"); cls =
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| 88 | * builder.getNextClassViaInstanceLink(null, clz[0].getClassURI(), 100);
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| 89 | * if( cls != null ){ for( ClassLink cl: cls){
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| 90 | * System.out.println(cl.toString()); } }
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| 91 | *
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| 92 | * System.out.println("Instances"); Instance[] ins =
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| 93 | * builder.getInstances(null, "\"A.C. Reed\"@en"); if( ins != null ){
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| 94 | * for( Instance in: ins){ System.out.println(in.toString()); } }
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| 95 | *
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| 96 | *
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| 97 | * System.out.println("INS-INS"); ins = builder.getInstances(null,
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| 98 | * "\"A.C. Reed\"@en"); InstanceLink[] iLinks =
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| 99 | * builder.getNextInstancesViaInstanceLink(null,
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| 100 | * ins[0].getInstanceURI(), 100);
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| 101 | *
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| 102 | *
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| 103 | *
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| 104 | * if( iLinks != null ){ for( InstanceLink in: iLinks){
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| 105 | * System.out.println(in.toString()); } }
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| 106 | */
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[2] | 107 | }
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| 108 |
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| 109 | /**
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| 110 | * 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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| 111 | * <p>
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[22] | 112 | * 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☆ <br>
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[2] | 113 | * </p>
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| 114 | *
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[22] | 115 | * @param graphURIs
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| 116 | * 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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| 117 | * @param keyword
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| 118 | * ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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[2] | 119 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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| 120 | * @throws Exception
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| 121 | * @since 28.01.2014
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| 122 | */
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[28] | 123 | public SClass[] getOWLClasses(String[] graphURIs, String keyword,
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| 124 | boolean countInstances) throws Exception {
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[2] | 125 | StringBuffer queryStr = new StringBuffer();
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| 126 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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| 127 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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| 128 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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[28] | 129 | if (countInstances) {
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| 130 | queryStr.append("SELECT DISTINCT ?c ?pLabel (COUNT(?i) AS ?numOfInstances)\n");
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| 131 | } else {
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| 132 | queryStr.append("SELECT DISTINCT ?c ?pLabel \n");
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| 133 | }
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[2] | 134 | if (graphURIs != null) {
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| 135 | for (String graphURI : graphURIs) {
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| 136 | queryStr.append("FROM <");
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| 137 | queryStr.append(graphURI);
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| 138 | queryStr.append(">\n");
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| 139 | }
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| 140 | }
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| 141 | queryStr.append("WHERE{\n");
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[22] | 142 |
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[2] | 143 | queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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| 144 |
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| 145 | queryStr.append(" ?c rdfs:label ?label.\n");
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[10] | 146 | queryStr.append(" ?c rdfs:label ?pLabel.\n");
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[28] | 147 | if (countInstances) {
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| 148 | queryStr.append(" ?i rdf:type ?c.\n");
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| 149 | }
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[22] | 150 | // queryStr.append(" ?c rdfs:label ");
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| 151 | // queryStr.append(keyword);
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| 152 | // queryStr.append(".");
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[28] | 153 | if (keyword != null && keyword.length() != 0) {
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| 154 | queryStr.append(" FILTER (\n");
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| 155 | queryStr.append(" REGEX( ?label , \"");
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| 156 | queryStr.append(keyword);
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| 157 | queryStr.append("\" , \"i\" )\n");
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| 158 | queryStr.append(" )");
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| 159 | }
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| 160 | if (countInstances) {
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| 161 | queryStr.append("\n} GROUP BY ?c ?pLabel");
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| 162 | } else {
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| 163 | queryStr.append("\n}");
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| 164 | }
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[22] | 165 | System.out.println(queryStr.toString());
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| 166 |
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[2] | 167 | Query query = QueryFactory.create(queryStr.toString());
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| 168 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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| 169 | query);
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| 170 |
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| 171 | ResultSet results = qexec.execSelect();
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[22] | 172 | HashMap<String, SClass> classMap = new HashMap<String, SClass>();
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[2] | 173 | for (; results.hasNext();) {
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| 174 | QuerySolution sol = results.next();
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| 175 | Resource res = sol.getResource("c");
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[22] | 176 | if (res != null) {
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| 177 | String uri = res.getURI();
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[31] | 178 | int numOfInstances = 0;
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| 179 | if( countInstances ){
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| 180 | numOfInstances = sol.getLiteral("numOfInstances").getInt();
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| 181 | }
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[22] | 182 | // System.out.println(numOfInstances);
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| 183 | Literal labelLiteral = sol.getLiteral("pLabel");
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| 184 | SClass sClass = null;
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| 185 | if (classMap.containsKey(uri)) {
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| 186 | sClass = classMap.get(uri);
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| 187 | } else {
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[10] | 188 | sClass = new SClass(uri, null, numOfInstances);
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| 189 | classMap.put(uri, sClass);
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[22] | 190 | }
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| 191 | if (labelLiteral != null) {
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[10] | 192 | String label = labelLiteral.getString();
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| 193 | String lang = labelLiteral.getLanguage();
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| 194 | sClass.addLabel(new Label(label, lang));
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| 195 | }
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[22] | 196 | }
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[2] | 197 | }
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| 198 | qexec.close();
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[10] | 199 | return classMap.values().toArray(new SClass[0]);
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[2] | 200 | }
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| 201 |
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| 202 | /**
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[22] | 203 | * 縲繧、繝ウ繧ケ繧ソ繝ウ繧ケ繧貞叙蠕励☆繧� |
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[2] | 204 | * <p>
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[22] | 205 | * 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☆ <br>
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| 206 | * 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�<br>
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[2] | 207 | * </p>
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| 208 | *
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[22] | 209 | * @param graphURIs
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| 210 | * 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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| 211 | * @param keyword
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| 212 | * ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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[2] | 213 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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| 214 | * @throws Exception
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| 215 | * @since 28.01.2014
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| 216 | */
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| 217 | public Instance[] getInstances(String[] graphURIs, String keyword)
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| 218 | throws Exception {
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| 219 | StringBuffer queryStr = new StringBuffer();
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| 220 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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| 221 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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| 222 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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| 223 | queryStr.append("SELECT DISTINCT ?ins ?c \n");
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| 224 | if (graphURIs != null) {
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| 225 | for (String graphURI : graphURIs) {
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| 226 | queryStr.append("FROM <");
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| 227 | queryStr.append(graphURI);
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| 228 | queryStr.append(">\n");
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| 229 | }
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| 230 | }
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| 231 | queryStr.append("WHERE{\n");
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[22] | 232 | // queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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[2] | 233 |
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| 234 | queryStr.append(" ?ins rdf:type ?c.\n");
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| 235 | queryStr.append(" ?ins rdfs:label ");
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| 236 | queryStr.append(keyword);
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| 237 | queryStr.append(".\n");
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| 238 | queryStr.append(" FILTER (?c != rdf:Property)");
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| 239 | queryStr.append("}");
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[22] | 240 |
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| 241 | // System.out.println(queryStr.toString());
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| 242 |
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[2] | 243 | Query query = QueryFactory.create(queryStr.toString());
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| 244 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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| 245 | query);
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| 246 |
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| 247 | ResultSet results = qexec.execSelect();
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| 248 | HashMap<String, HashSet<String>> instanceMap = new HashMap<String, HashSet<String>>();
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| 249 | for (; results.hasNext();) {
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| 250 | QuerySolution sol = results.next();
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| 251 | Resource cls = sol.getResource("c");
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| 252 | Resource ins = sol.getResource("ins");
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| 253 | String clsURI = cls.getURI();
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| 254 | String insURI = ins.getURI();
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[22] | 255 | if (instanceMap.containsKey(insURI)) {
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[2] | 256 | HashSet<String> classes = instanceMap.get(insURI);
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| 257 | classes.add(clsURI);
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[22] | 258 | } else {
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[2] | 259 | HashSet<String> classes = new HashSet<String>();
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| 260 | instanceMap.put(insURI, classes);
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| 261 | classes.add(clsURI);
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| 262 | }
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| 263 | }
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| 264 | qexec.close();
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| 265 | Set<String> keySet = instanceMap.keySet();
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| 266 | ArrayList<Instance> instanceList = new ArrayList<Instance>();
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[22] | 267 | for (String key : keySet) {
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| 268 | Instance ins = new Instance(key, instanceMap.get(key).toArray(
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| 269 | new String[0]));
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[2] | 270 | instanceList.add(ins);
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| 271 | }
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| 272 | return instanceList.toArray(new Instance[0]);
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| 273 | }
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| 274 |
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| 275 | /**
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[22] | 276 | * 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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[2] | 277 | * 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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| 278 | * <p>
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[22] | 279 | * 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 <br>
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[2] | 280 | * <br>
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| 281 | * </p>
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| 282 | *
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[22] | 283 | * @param graphURIs
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| 284 | * 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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| 285 | * @param originClass
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| 286 | * 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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| 287 | * @param limit
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| 288 | * 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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[2] | 289 | * @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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| 290 | * @throws Exception
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| 291 | * @since 28.01.2014
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| 292 | */
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| 293 | public ClassLink[] getNextClass(String[] graphURIs, String originClass,
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[20] | 294 | int limit, boolean countLinks) throws Exception {
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[2] | 295 | StringBuffer queryStr = new StringBuffer();
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| 296 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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| 297 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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| 298 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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[20] | 299 |
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| 300 | // SELECT
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[22] | 301 | if (countLinks) {
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| 302 | queryStr.append("SELECT DISTINCT ?p ?pDirection ?c (COUNT(?s) AS ?numOfLinks) \n");
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| 303 | } else {
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[20] | 304 | queryStr.append("SELECT DISTINCT ?p ?pDirection ?c \n");
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| 305 | }
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[22] | 306 |
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[2] | 307 | if (graphURIs != null) {
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| 308 | for (String graphURI : graphURIs) {
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| 309 | queryStr.append("FROM <");
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| 310 | queryStr.append(graphURI);
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| 311 | queryStr.append(">\n");
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| 312 | }
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| 313 | }
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| 314 | queryStr.append("WHERE{\n");
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[28] | 315 | // queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
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[2] | 316 | queryStr.append(" { ?p rdfs:domain <");
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| 317 | queryStr.append(originClass);
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[19] | 318 | queryStr.append(">.\n ?p rdfs:range ?c.\n");
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[27] | 319 |
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[22] | 320 | if (countLinks) {
|
---|
| 321 | queryStr.append(" ?o ?p ?s.");
|
---|
[28] | 322 | } else {
|
---|
[27] | 323 | queryStr.append("filter(exists{\n");
|
---|
| 324 | queryStr.append(" ?o rdf:type ?c.\n");
|
---|
| 325 | queryStr.append(" ?s rdf:type <");
|
---|
| 326 | queryStr.append(originClass);
|
---|
| 327 | queryStr.append(">.\n");
|
---|
| 328 | queryStr.append(" ?s ?p ?o.})\n");
|
---|
[20] | 329 | }
|
---|
[22] | 330 |
|
---|
[19] | 331 | queryStr.append("}\n UNION\n");
|
---|
[2] | 332 | queryStr.append(" { ?p rdfs:range <");
|
---|
| 333 | queryStr.append(originClass);
|
---|
[5] | 334 | queryStr.append(">.\n");
|
---|
| 335 | queryStr.append(" ?p rdfs:domain ?c.\n");
|
---|
[20] | 336 |
|
---|
[22] | 337 | if (countLinks) {
|
---|
| 338 | queryStr.append(" ?s ?p ?o.");
|
---|
[28] | 339 | } else {
|
---|
[27] | 340 | queryStr.append("filter(exists{\n");
|
---|
| 341 | queryStr.append(" ?s rdf:type ?c.\n");
|
---|
| 342 | queryStr.append(" ?o rdf:type <");
|
---|
| 343 | queryStr.append(originClass);
|
---|
| 344 | queryStr.append(">.\n");
|
---|
| 345 | queryStr.append(" ?s ?p ?o.})\n");
|
---|
[20] | 346 | }
|
---|
[22] | 347 |
|
---|
[19] | 348 | queryStr.append("}\n");
|
---|
[5] | 349 |
|
---|
| 350 | queryStr.append(" ?p ?pDirection ?c.\n");
|
---|
| 351 |
|
---|
| 352 | queryStr.append(" ?s rdf:type ?c.\n");
|
---|
[20] | 353 |
|
---|
[22] | 354 | if (countLinks) {
|
---|
[20] | 355 | queryStr.append("}\nGROUP BY ?p ?pDirection ?c\n");
|
---|
[22] | 356 | } else {
|
---|
[20] | 357 | queryStr.append("}\n");
|
---|
| 358 | }
|
---|
[2] | 359 | if (limit > 0) {
|
---|
| 360 | queryStr.append("limit ");
|
---|
| 361 | queryStr.append(limit);
|
---|
| 362 | queryStr.append("\n");
|
---|
| 363 | }
|
---|
[22] | 364 |
|
---|
| 365 | System.out.println(queryStr.toString());
|
---|
| 366 |
|
---|
[2] | 367 | Query query = QueryFactory.create(queryStr.toString());
|
---|
| 368 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
| 369 | query);
|
---|
| 370 |
|
---|
| 371 | ResultSet results = qexec.execSelect();
|
---|
| 372 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
|
---|
| 373 | for (; results.hasNext();) {
|
---|
| 374 | QuerySolution sol = results.next();
|
---|
| 375 | Resource pro = sol.getResource("p");
|
---|
[22] | 376 | if (pro != null) {
|
---|
| 377 | Resource cls = sol.getResource("c");
|
---|
| 378 | Resource dir = sol.getResource("pDirection");
|
---|
| 379 | String proURI = pro.getURI();
|
---|
| 380 | String clsURI = cls.getURI();
|
---|
| 381 | String dirURI = dir.getURI();
|
---|
[2] | 382 |
|
---|
[22] | 383 | // System.out.println(pro.getURI() + " " + cls.getURI() + " " +
|
---|
| 384 | // dir.getURI());
|
---|
| 385 |
|
---|
| 386 | Direction direction = null;
|
---|
| 387 | if (dirURI
|
---|
| 388 | .equals("http://www.w3.org/2000/01/rdf-schema#domain")
|
---|
| 389 | || dirURI.equals("rdfs:domain")) {
|
---|
| 390 | direction = Direction.reverse;
|
---|
[2] | 391 | }
|
---|
[22] | 392 | if (dirURI.equals("http://www.w3.org/2000/01/rdf-schema#range")
|
---|
| 393 | || dirURI.equals("rdfs:range")) {
|
---|
| 394 | if (direction != null) {
|
---|
| 395 | direction = Direction.both;
|
---|
| 396 | } else {
|
---|
| 397 | direction = Direction.forward;
|
---|
| 398 | }
|
---|
| 399 | }
|
---|
| 400 | // System.out.println(direction);
|
---|
[23] | 401 | int numOfLinks = 0;
|
---|
[26] | 402 | if (countLinks) {
|
---|
| 403 | numOfLinks = sol.getLiteral("numOfLinks").getInt();
|
---|
[23] | 404 | }
|
---|
[22] | 405 | ClassLink cl = new ClassLink(proURI, clsURI, direction,
|
---|
| 406 | numOfLinks);
|
---|
| 407 | solCLs.add(cl);
|
---|
[2] | 408 | }
|
---|
| 409 | }
|
---|
| 410 | qexec.close();
|
---|
| 411 | return solCLs.toArray(new ClassLink[0]);
|
---|
| 412 | }
|
---|
[22] | 413 |
|
---|
[2] | 414 | /**
|
---|
[22] | 415 | * 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� |
---|
| 416 | * 蜿門セ励@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� |
---|
[2] | 417 | * <p>
|
---|
[22] | 418 | * 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�<br>
|
---|
| 419 | * 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 <br>
|
---|
[2] | 420 | * </p>
|
---|
| 421 | *
|
---|
[22] | 422 | * @param graphURIs
|
---|
| 423 | * 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)
|
---|
| 424 | * @param originClass
|
---|
| 425 | * 襍キ轤ケ縺ィ縺ェ繧九け繝ゥ繧ケ縺ョURI縲��ull荳榊庄�� |
---|
| 426 | * @param limit
|
---|
| 427 | * 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�
|
---|
[2] | 428 | * @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� |
---|
| 429 | * @throws Exception
|
---|
| 430 | * @since 28.01.2014
|
---|
| 431 | */
|
---|
[22] | 432 | public ClassLink[] getNextClassViaInstanceLink(String[] graphURIs,
|
---|
| 433 | String originClass, int limit) throws Exception {
|
---|
[2] | 434 | StringBuffer queryStr = new StringBuffer();
|
---|
| 435 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
| 436 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
| 437 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
| 438 | queryStr.append("SELECT DISTINCT ?pf ?pr ?c \n");
|
---|
| 439 | if (graphURIs != null) {
|
---|
| 440 | for (String graphURI : graphURIs) {
|
---|
| 441 | queryStr.append("FROM <");
|
---|
| 442 | queryStr.append(graphURI);
|
---|
| 443 | queryStr.append(">\n");
|
---|
| 444 | }
|
---|
| 445 | }
|
---|
| 446 | queryStr.append("WHERE{\n");
|
---|
| 447 | queryStr.append(" ?ins rdf:type ?c.\n");
|
---|
| 448 | queryStr.append(" ?insOrg rdf:type <");
|
---|
| 449 | queryStr.append(originClass);
|
---|
| 450 | queryStr.append(">.\n");
|
---|
| 451 | queryStr.append(" { ?ins ?pr ?insOrg. }\n UNION { ?insOrg ?pf ?ins. }\n");
|
---|
| 452 | queryStr.append("}\n");
|
---|
| 453 | if (limit > 0) {
|
---|
| 454 | queryStr.append("limit ");
|
---|
| 455 | queryStr.append(limit);
|
---|
| 456 | queryStr.append("\n");
|
---|
| 457 | }
|
---|
[22] | 458 |
|
---|
| 459 | // System.out.println(queryStr.toString());
|
---|
| 460 |
|
---|
[2] | 461 | Query query = QueryFactory.create(queryStr.toString());
|
---|
| 462 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
| 463 | query);
|
---|
| 464 |
|
---|
| 465 | ResultSet results = qexec.execSelect();
|
---|
| 466 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
|
---|
| 467 | for (; results.hasNext();) {
|
---|
| 468 | QuerySolution sol = results.next();
|
---|
| 469 | Resource proForward = sol.getResource("pf");
|
---|
| 470 | Resource proReverse = sol.getResource("pr");
|
---|
| 471 | Resource cls = sol.getResource("c");
|
---|
| 472 | Direction direction = null;
|
---|
| 473 | String propURI = null;
|
---|
[22] | 474 | if (proForward != null) {
|
---|
| 475 | if (proReverse != null) {
|
---|
[2] | 476 | direction = Direction.both;
|
---|
[22] | 477 | } else {
|
---|
[2] | 478 | direction = Direction.forward;
|
---|
| 479 | }
|
---|
| 480 | propURI = proForward.getURI();
|
---|
[22] | 481 | } else {
|
---|
[2] | 482 | direction = Direction.reverse;
|
---|
| 483 | propURI = proReverse.getURI();
|
---|
| 484 | }
|
---|
| 485 | String clsURI = cls.getURI();
|
---|
[22] | 486 | // System.out.println(propURI + " " + clsURI + " " + direction);
|
---|
| 487 |
|
---|
[2] | 488 | ClassLink cl = new ClassLink(propURI, clsURI, direction, 0);
|
---|
| 489 | solCLs.add(cl);
|
---|
| 490 | }
|
---|
| 491 | qexec.close();
|
---|
| 492 | return solCLs.toArray(new ClassLink[0]);
|
---|
| 493 | }
|
---|
| 494 |
|
---|
[32] | 495 | public Path[] getPaths(String startClass, String endClass, int mode, boolean countLinks) throws Exception {
|
---|
[2] | 496 | OWLClassGraph graph = new OWLClassGraph(startClass, endClass);
|
---|
[32] | 497 | return graph.getPaths(this, mode, countLinks);
|
---|
[2] | 498 | }
|
---|
| 499 |
|
---|
| 500 | public String createSPARQL(Path path) throws Exception {
|
---|
| 501 | return null;
|
---|
| 502 | }
|
---|
| 503 |
|
---|
[22] | 504 | /*
|
---|
| 505 | * private String executeSelect(String sparqlQuery) throws Exception {
|
---|
| 506 | * HttpClient client = HttpClientBuilder.create().build(); HttpPost httppost
|
---|
| 507 | * = new HttpPost(endpointURI); httppost.setHeader("Content-Type",
|
---|
| 508 | * "application/x-www-form-urlencoded"); httppost.setHeader("Accept",
|
---|
| 509 | * "application/sparql-results+xml"); List<NameValuePair> nvpList = new
|
---|
| 510 | * ArrayList<NameValuePair>(); nvpList.add(new BasicNameValuePair("query",
|
---|
| 511 | * sparqlQuery)); // nvpList.add(new BasicNameValuePair("format", //
|
---|
| 512 | * outputFormat.getMime())); httppost.setEntity(new
|
---|
| 513 | * UrlEncodedFormEntity(nvpList, Charset .forName("UTF-8"))); HttpResponse
|
---|
| 514 | * response = client.execute(httppost); //
|
---|
| 515 | * System.out.println("[StatusLine] " + response.getStatusLine());
|
---|
| 516 | * HttpEntity entity = response.getEntity(); String entityString =
|
---|
| 517 | * EntityUtils.toString(entity, "UTF-8"); return entityString; }
|
---|
| 518 | */
|
---|
[2] | 519 |
|
---|
| 520 | /**
|
---|
[22] | 521 | * 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� |
---|
| 522 | * 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� |
---|
[2] | 523 | * <p>
|
---|
[22] | 524 | * 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�<br>
|
---|
| 525 | * 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 <br>
|
---|
[2] | 526 | * </p>
|
---|
| 527 | *
|
---|
[22] | 528 | * @param graphURIs
|
---|
| 529 | * 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)
|
---|
| 530 | * @param originInstance
|
---|
| 531 | * 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�� |
---|
| 532 | * @param limit
|
---|
| 533 | * 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�
|
---|
[2] | 534 | * @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� |
---|
| 535 | * @throws Exception
|
---|
| 536 | * @since 28.01.2014
|
---|
| 537 | */
|
---|
[22] | 538 | public InstanceLink[] getNextInstancesViaInstanceLink(String[] graphURIs,
|
---|
| 539 | String originInstance, int limit) throws Exception {
|
---|
[2] | 540 | StringBuffer queryStr = new StringBuffer();
|
---|
| 541 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
| 542 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
| 543 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
| 544 | queryStr.append("SELECT DISTINCT ?pf ?pr ?ins ?c \n");
|
---|
| 545 | if (graphURIs != null) {
|
---|
| 546 | for (String graphURI : graphURIs) {
|
---|
| 547 | queryStr.append("FROM <");
|
---|
| 548 | queryStr.append(graphURI);
|
---|
| 549 | queryStr.append(">\n");
|
---|
| 550 | }
|
---|
| 551 | }
|
---|
| 552 | queryStr.append("WHERE{\n");
|
---|
[22] | 553 | // queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
|
---|
[2] | 554 | queryStr.append(" ?ins rdf:type ?c.\n");
|
---|
| 555 | queryStr.append(" { ?ins ?pr <");
|
---|
| 556 | queryStr.append(originInstance);
|
---|
| 557 | queryStr.append(">. }\n UNION { <");
|
---|
| 558 | queryStr.append(originInstance);
|
---|
| 559 | queryStr.append("> ?pf ?ins. }\n");
|
---|
| 560 |
|
---|
| 561 | queryStr.append(" FILTER (?c != rdf:Property)");
|
---|
| 562 |
|
---|
| 563 | queryStr.append("}\n");
|
---|
| 564 | if (limit > 0) {
|
---|
| 565 | queryStr.append("limit ");
|
---|
| 566 | queryStr.append(limit);
|
---|
| 567 | queryStr.append("\n");
|
---|
| 568 | }
|
---|
[22] | 569 |
|
---|
| 570 | // System.out.println(queryStr.toString());
|
---|
| 571 |
|
---|
[2] | 572 | Query query = QueryFactory.create(queryStr.toString());
|
---|
| 573 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
| 574 | query);
|
---|
| 575 |
|
---|
| 576 | ResultSet results = qexec.execSelect();
|
---|
| 577 | HashMap<String, InstanceLink> insLinkMap = new HashMap<String, InstanceLink>();
|
---|
| 578 | for (; results.hasNext();) {
|
---|
| 579 | QuerySolution sol = results.next();
|
---|
| 580 | Resource proForward = sol.getResource("pf");
|
---|
| 581 | Resource proReverse = sol.getResource("pr");
|
---|
| 582 | Resource ins = sol.getResource("ins");
|
---|
| 583 | Resource cls = sol.getResource("c");
|
---|
| 584 | Direction direction = null;
|
---|
| 585 | String propURI = null;
|
---|
[22] | 586 | if (proForward != null) {
|
---|
| 587 | if (proReverse != null) {
|
---|
[2] | 588 | direction = Direction.both;
|
---|
[22] | 589 | } else {
|
---|
[2] | 590 | direction = Direction.forward;
|
---|
| 591 | }
|
---|
| 592 | propURI = proForward.getURI();
|
---|
[22] | 593 | } else {
|
---|
[2] | 594 | direction = Direction.reverse;
|
---|
| 595 | propURI = proReverse.getURI();
|
---|
| 596 | }
|
---|
| 597 | String clsURI = cls.getURI();
|
---|
| 598 | String insURI = ins.getURI();
|
---|
| 599 | String key = propURI + "\t" + insURI + "\t" + direction;
|
---|
[22] | 600 | if (insLinkMap.containsKey(key)) {
|
---|
[2] | 601 | InstanceLink insLink = insLinkMap.get(key);
|
---|
| 602 | insLink.addLinkedClassURI(clsURI);
|
---|
[22] | 603 | } else {
|
---|
| 604 | InstanceLink insLink = new InstanceLink(propURI, insURI,
|
---|
| 605 | new String[] { clsURI }, direction);
|
---|
[2] | 606 | insLinkMap.put(key, insLink);
|
---|
| 607 | }
|
---|
| 608 | }
|
---|
| 609 | qexec.close();
|
---|
| 610 | Collection<InstanceLink> values = insLinkMap.values();
|
---|
| 611 | return values.toArray(new InstanceLink[0]);
|
---|
| 612 | }
|
---|
| 613 |
|
---|
[22] | 614 | public LabelMap[] getLabels(String[] graphURIs, String[] resourceURIs,
|
---|
| 615 | String language) throws Exception {
|
---|
| 616 | if (resourceURIs == null || resourceURIs.length == 0) {
|
---|
[19] | 617 | return new LabelMap[0];
|
---|
| 618 | }
|
---|
| 619 | StringBuffer queryStr = new StringBuffer();
|
---|
| 620 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
| 621 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
| 622 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
| 623 | queryStr.append("SELECT DISTINCT ?res ?label \n");
|
---|
| 624 | if (graphURIs != null) {
|
---|
| 625 | for (String graphURI : graphURIs) {
|
---|
| 626 | queryStr.append("FROM <");
|
---|
| 627 | queryStr.append(graphURI);
|
---|
| 628 | queryStr.append(">\n");
|
---|
| 629 | }
|
---|
| 630 | }
|
---|
| 631 | queryStr.append("WHERE{\n");
|
---|
| 632 | queryStr.append(" ?res rdfs:label ?label.\n");
|
---|
| 633 | queryStr.append(" FILTER(?res IN (");
|
---|
| 634 | boolean f = false;
|
---|
[22] | 635 | for (String resourceURI : resourceURIs) {
|
---|
| 636 | if (f) {
|
---|
[19] | 637 | queryStr.append(", ");
|
---|
| 638 | }
|
---|
| 639 | f = true;
|
---|
| 640 | queryStr.append("<");
|
---|
| 641 | queryStr.append(resourceURI);
|
---|
| 642 | queryStr.append(">");
|
---|
| 643 | }
|
---|
| 644 | queryStr.append("))\n");
|
---|
| 645 | queryStr.append("}");
|
---|
[22] | 646 |
|
---|
| 647 | System.out.println(queryStr.toString());
|
---|
| 648 |
|
---|
[19] | 649 | Query query = QueryFactory.create(queryStr.toString());
|
---|
| 650 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
| 651 | query);
|
---|
| 652 |
|
---|
| 653 | ResultSet results = qexec.execSelect();
|
---|
| 654 | HashMap<String, LabelMap> lMap = new HashMap<String, LabelMap>();
|
---|
| 655 | for (; results.hasNext();) {
|
---|
| 656 | QuerySolution sol = results.next();
|
---|
| 657 | String uri = sol.getResource("res").getURI();
|
---|
| 658 | Literal literal = sol.getLiteral("label");
|
---|
[22] | 659 | if (literal != null) {
|
---|
[19] | 660 | String label = literal.getString();
|
---|
| 661 | String lang = literal.getLanguage();
|
---|
[22] | 662 | if (language != null && language.equals(lang)) {
|
---|
[19] | 663 | Label lbl = new Label(label, lang);
|
---|
[22] | 664 | if (lMap.containsKey(uri)) {
|
---|
[19] | 665 | LabelMap lm = lMap.get(uri);
|
---|
| 666 | lm.addLabel(lbl);
|
---|
[22] | 667 | } else {
|
---|
| 668 | LabelMap lm = new LabelMap(uri, new Label[] { lbl });
|
---|
[19] | 669 | lMap.put(uri, lm);
|
---|
| 670 | }
|
---|
| 671 | }
|
---|
| 672 | }
|
---|
| 673 | }
|
---|
| 674 | return lMap.values().toArray(new LabelMap[0]);
|
---|
| 675 | }
|
---|
[22] | 676 |
|
---|
[26] | 677 | public ClassLink[] countLinks(String[] graphURIs, String startClassURI,
|
---|
| 678 | ClassLink[] classLinks) throws Exception {
|
---|
| 679 | if (classLinks == null || classLinks.length == 0) {
|
---|
| 680 | return new ClassLink[0];
|
---|
| 681 | }
|
---|
| 682 | for (ClassLink classLink : classLinks) {
|
---|
| 683 | StringBuffer queryStr = new StringBuffer();
|
---|
| 684 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
| 685 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
| 686 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
| 687 |
|
---|
| 688 | queryStr.append("SELECT (COUNT(?os) AS ?numOfLinks) \n");
|
---|
| 689 | if (graphURIs != null) {
|
---|
| 690 | for (String graphURI : graphURIs) {
|
---|
| 691 | queryStr.append("FROM <");
|
---|
| 692 | queryStr.append(graphURI);
|
---|
| 693 | queryStr.append(">\n");
|
---|
| 694 | }
|
---|
| 695 | }
|
---|
| 696 |
|
---|
| 697 | queryStr.append("WHERE{\n");
|
---|
| 698 | if (classLink.getDirection() == Direction.forward) {
|
---|
| 699 | queryStr.append("?is rdf:type <");
|
---|
| 700 | queryStr.append(startClassURI);
|
---|
| 701 | queryStr.append(">.\n");
|
---|
| 702 | queryStr.append("?os rdf:type <");
|
---|
| 703 | queryStr.append(classLink.getLinkedClassURI());
|
---|
| 704 | queryStr.append(">.\n");
|
---|
| 705 | queryStr.append("?is ?p ?os.\n");
|
---|
| 706 | queryStr.append("}");
|
---|
| 707 | } else {
|
---|
| 708 | if (classLink.getDirection() == Direction.forward) {
|
---|
| 709 | queryStr.append("?os rdf:type <");
|
---|
| 710 | queryStr.append(startClassURI);
|
---|
| 711 | queryStr.append(">.\n");
|
---|
| 712 | queryStr.append("?is rdf:type <");
|
---|
| 713 | queryStr.append(classLink.getLinkedClassURI());
|
---|
| 714 | queryStr.append(">.\n");
|
---|
| 715 | queryStr.append("?is ?p ?os.\n");
|
---|
| 716 | queryStr.append("}");
|
---|
| 717 | } else {
|
---|
| 718 | queryStr.append("?os rdf:type <");
|
---|
| 719 | queryStr.append(startClassURI);
|
---|
| 720 | queryStr.append(">.\n");
|
---|
| 721 | queryStr.append("?is rdf:type <");
|
---|
| 722 | queryStr.append(classLink.getLinkedClassURI());
|
---|
| 723 | queryStr.append(">.\n");
|
---|
| 724 | queryStr.append("{?is ?p ?os.}\n");
|
---|
| 725 | queryStr.append("UNION\n");
|
---|
| 726 | queryStr.append("{?os ?p ?is.}\n");
|
---|
| 727 | queryStr.append("}");
|
---|
| 728 | }
|
---|
| 729 | }
|
---|
| 730 | System.out.println(queryStr.toString());
|
---|
| 731 |
|
---|
| 732 | Query query = QueryFactory.create(queryStr.toString());
|
---|
| 733 | QueryExecution qexec = QueryExecutionFactory.sparqlService(
|
---|
| 734 | endpointURI, query);
|
---|
| 735 |
|
---|
| 736 | ResultSet results = qexec.execSelect();
|
---|
| 737 | if (results.hasNext()) {
|
---|
| 738 | QuerySolution sol = results.next();
|
---|
| 739 | Literal lit = sol.getLiteral("numOfLinks");
|
---|
| 740 | if (lit != null) {
|
---|
| 741 | int numOfLinks = lit.getInt();
|
---|
| 742 | classLink.setNumOfLinks(numOfLinks);
|
---|
| 743 | }
|
---|
| 744 | }
|
---|
| 745 | qexec.close();
|
---|
| 746 | }
|
---|
| 747 | return classLinks;
|
---|
| 748 | }
|
---|
| 749 |
|
---|
[31] | 750 | public SClass[] countInstances(String[] graphURIs, SClass[] classes) throws Exception{
|
---|
| 751 | if( classes == null || classes.length == 0 ){
|
---|
| 752 | return new SClass[0];
|
---|
| 753 | }
|
---|
| 754 | HashMap<String, SClass> classMap = new HashMap<String, SClass>();
|
---|
| 755 | for(SClass sc: classes){
|
---|
| 756 | classMap.put(sc.getClassURI(), sc);
|
---|
| 757 | }
|
---|
| 758 | StringBuffer queryStr = new StringBuffer();
|
---|
| 759 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
| 760 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
| 761 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
| 762 | queryStr.append("SELECT DISTINCT ?cls (COUNT(?is) AS ?numOfInstances)\n");
|
---|
| 763 | if (graphURIs != null) {
|
---|
| 764 | for (String graphURI : graphURIs) {
|
---|
| 765 | queryStr.append("FROM <");
|
---|
| 766 | queryStr.append(graphURI);
|
---|
| 767 | queryStr.append(">\n");
|
---|
| 768 | }
|
---|
| 769 | }
|
---|
| 770 | queryStr.append("WHERE{\n");
|
---|
| 771 | queryStr.append(" ?is rdf:type ?cls.\n");
|
---|
| 772 | queryStr.append(" FILTER(?cls IN (");
|
---|
| 773 | boolean f = false;
|
---|
| 774 | Set<String> clsSet = classMap.keySet();
|
---|
| 775 | for (String clsURI : clsSet) {
|
---|
| 776 | if (f) {
|
---|
| 777 | queryStr.append(", ");
|
---|
| 778 | }
|
---|
| 779 | f = true;
|
---|
| 780 | queryStr.append("<");
|
---|
| 781 | queryStr.append(clsURI);
|
---|
| 782 | queryStr.append(">");
|
---|
| 783 | }
|
---|
| 784 | queryStr.append("))\n");
|
---|
| 785 | queryStr.append("} GROUP BY ?cls");
|
---|
| 786 |
|
---|
| 787 | System.out.println(queryStr.toString());
|
---|
| 788 |
|
---|
| 789 | Query query = QueryFactory.create(queryStr.toString());
|
---|
| 790 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
| 791 | query);
|
---|
| 792 |
|
---|
| 793 | ResultSet results = qexec.execSelect();
|
---|
| 794 | for (; results.hasNext();) {
|
---|
| 795 | QuerySolution sol = results.next();
|
---|
| 796 | String uri = sol.getResource("cls").getURI();
|
---|
| 797 | SClass sc = classMap.get(uri);
|
---|
| 798 | Literal lit = sol.getLiteral("numOfInstances");
|
---|
| 799 | if (lit != null) {
|
---|
| 800 | int numOfInstances = lit.getInt();
|
---|
| 801 | sc.setNumOfInstances(numOfInstances);
|
---|
| 802 | }
|
---|
| 803 | }
|
---|
| 804 | qexec.close();
|
---|
| 805 |
|
---|
| 806 | return classes;
|
---|
| 807 | }
|
---|
| 808 |
|
---|
[2] | 809 | }
|
---|