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 |
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10 | import com.hp.hpl.jena.query.Query;
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11 | import com.hp.hpl.jena.query.QueryExecution;
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12 | import com.hp.hpl.jena.query.QueryExecutionFactory;
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13 | import com.hp.hpl.jena.query.QueryFactory;
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14 | import com.hp.hpl.jena.query.QuerySolution;
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15 | import com.hp.hpl.jena.query.ResultSet;
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16 | import com.hp.hpl.jena.rdf.model.Literal;
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17 | import com.hp.hpl.jena.rdf.model.Resource;
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18 |
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19 | /**
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20 | * 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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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 | /**
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32 | * 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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33 | *
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34 | * @param endpointURI縲繧「繧ッ繧サ繧ケ縺吶kSPARQL endpoint縺ョURI
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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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47 | * @param args 菴ソ逕ィ縺励↑縺� |
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48 | * @throws Exception
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49 | * @since 28.01.2014
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50 | */
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51 | public static void main(String[] args) throws Exception {
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52 | String sparqlEndpoint = "http://dbpedia.org/sparql";
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53 | String keyword = "artiste";
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54 | String[] graphURIs = new String[0];
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55 |
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56 | OWLQueryBuilder builder = new OWLQueryBuilderImpl(sparqlEndpoint);
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57 | SClass[] clz = builder.getOWLClasses(graphURIs, keyword);
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58 | for(SClass cls: clz){
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59 | System.out.println(cls);
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60 | }
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61 |
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62 | System.out.println("CLS");
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63 | ClassLink[] cls = builder.getNextClass(null, clz[0].getClassURI(), 0);
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64 | if( cls != null ){
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65 | for( ClassLink cl: cls){
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66 | System.out.println(cl.toString());
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67 | }
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68 | }
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69 |
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70 | System.out.println("CLS-INS");
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71 | cls = builder.getNextClassViaInstanceLink(null, clz[0].getClassURI(), 100);
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72 | if( cls != null ){
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73 | for( ClassLink cl: cls){
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74 | System.out.println(cl.toString());
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75 | }
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76 | }
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77 |
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78 | System.out.println("Instances");
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79 | Instance[] ins = builder.getInstances(null, "\"A.C. Reed\"@en");
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80 | if( ins != null ){
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81 | for( Instance in: ins){
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82 | System.out.println(in.toString());
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83 | }
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84 | }
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85 |
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86 |
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87 | System.out.println("INS-INS");
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88 | ins = builder.getInstances(null, "\"A.C. Reed\"@en");
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89 | InstanceLink[] iLinks = builder.getNextInstancesViaInstanceLink(null, ins[0].getInstanceURI(), 100);
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90 |
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91 |
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92 |
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93 | if( iLinks != null ){
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94 | for( InstanceLink in: iLinks){
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95 | System.out.println(in.toString());
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96 | }
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97 | }
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98 |
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99 |
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100 | }
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101 |
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102 |
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103 | /**
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104 | * 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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105 | * <p>
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106 | * 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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107 | * <br>
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108 | * </p>
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109 | *
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110 | * @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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111 | * @param keyword ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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112 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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113 | * @throws Exception
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114 | * @since 28.01.2014
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115 | */
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116 | public SClass[] getOWLClasses(String[] graphURIs, String keyword)
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117 | throws Exception {
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118 | StringBuffer queryStr = new StringBuffer();
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119 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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120 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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121 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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122 | queryStr.append("SELECT DISTINCT ?c ?pLabel (COUNT(?i) AS ?numOfInstances)\n");
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123 | if (graphURIs != null) {
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124 | for (String graphURI : graphURIs) {
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125 | queryStr.append("FROM <");
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126 | queryStr.append(graphURI);
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127 | queryStr.append(">\n");
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128 | }
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129 | }
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130 | queryStr.append("WHERE{\n");
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131 |
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132 | queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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133 |
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134 | queryStr.append(" ?c rdfs:label ?label.\n");
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135 | queryStr.append(" ?c rdfs:label ?pLabel.\n");
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136 | queryStr.append(" ?i rdf:type ?c.\n");
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137 |
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138 | // queryStr.append(" ?c rdfs:label ");
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139 | // queryStr.append(keyword);
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140 | // queryStr.append(".");
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141 |
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142 | queryStr.append(" FILTER (\n");
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143 | queryStr.append(" REGEX( ?label , \"");
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144 | queryStr.append(keyword);
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145 | queryStr.append("\" , \"i\" )\n");
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146 | queryStr.append(" )");
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147 | queryStr.append("\n} GROUP BY ?c ?pLabel");
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148 |
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149 | // System.out.println(queryStr.toString());
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150 |
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151 | Query query = QueryFactory.create(queryStr.toString());
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152 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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153 | query);
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154 |
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155 | ResultSet results = qexec.execSelect();
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156 | HashMap<String,SClass> classMap = new HashMap<String,SClass>();
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157 | for (; results.hasNext();) {
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158 | QuerySolution sol = results.next();
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159 | Resource res = sol.getResource("c");
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160 | String uri = res.getURI();
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161 | int numOfInstances = sol.getLiteral("numOfInstances").getInt();
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162 | //System.out.println(numOfInstances);
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163 | Literal labelLiteral = sol.getLiteral("pLabel");
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164 | SClass sClass = null;
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165 | if( classMap.containsKey(uri)){
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166 | sClass = classMap.get(uri);
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167 | }
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168 | else{
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169 | sClass = new SClass(uri, null, numOfInstances);
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170 | classMap.put(uri, sClass);
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171 | }
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172 | if( labelLiteral != null ){
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173 | String label = labelLiteral.getString();
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174 | String lang = labelLiteral.getLanguage();
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175 | sClass.addLabel(new Label(label, lang));
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176 | }
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177 | }
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178 | qexec.close();
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179 | return classMap.values().toArray(new SClass[0]);
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180 | }
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181 |
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182 |
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183 | /**
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184 | *縲繧、繝ウ繧ケ繧ソ繝ウ繧ケ繧貞叙蠕励☆繧� |
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185 | * <p>
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186 | * 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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187 | * <br>
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188 | * 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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189 | * <br>
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190 | * </p>
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191 | *
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192 | * @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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193 | * @param keyword ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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194 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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195 | * @throws Exception
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196 | * @since 28.01.2014
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197 | */
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198 | public Instance[] getInstances(String[] graphURIs, String keyword)
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199 | throws Exception {
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200 | StringBuffer queryStr = new StringBuffer();
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201 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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202 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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203 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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204 | queryStr.append("SELECT DISTINCT ?ins ?c \n");
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205 | if (graphURIs != null) {
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206 | for (String graphURI : graphURIs) {
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207 | queryStr.append("FROM <");
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208 | queryStr.append(graphURI);
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209 | queryStr.append(">\n");
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210 | }
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211 | }
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212 | queryStr.append("WHERE{\n");
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213 | // queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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214 |
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215 |
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216 | queryStr.append(" ?ins rdf:type ?c.\n");
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217 | queryStr.append(" ?ins rdfs:label ");
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218 | queryStr.append(keyword);
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219 | queryStr.append(".\n");
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220 | queryStr.append(" FILTER (?c != rdf:Property)");
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221 | queryStr.append("}");
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222 |
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223 | // System.out.println(queryStr.toString());
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224 |
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225 | Query query = QueryFactory.create(queryStr.toString());
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226 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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227 | query);
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228 |
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229 | ResultSet results = qexec.execSelect();
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230 | HashMap<String, HashSet<String>> instanceMap = new HashMap<String, HashSet<String>>();
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231 | for (; results.hasNext();) {
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232 | QuerySolution sol = results.next();
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233 | Resource cls = sol.getResource("c");
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234 | Resource ins = sol.getResource("ins");
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235 | String clsURI = cls.getURI();
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236 | String insURI = ins.getURI();
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237 | if( instanceMap.containsKey(insURI)){
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238 | HashSet<String> classes = instanceMap.get(insURI);
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239 | classes.add(clsURI);
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240 | }else{
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241 | HashSet<String> classes = new HashSet<String>();
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242 | instanceMap.put(insURI, classes);
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243 | classes.add(clsURI);
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244 | }
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245 | }
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246 | qexec.close();
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247 | Set<String> keySet = instanceMap.keySet();
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248 | ArrayList<Instance> instanceList = new ArrayList<Instance>();
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249 | for(String key: keySet){
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250 | Instance ins = new Instance(key, instanceMap.get(key).toArray(new String[0]));
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251 | instanceList.add(ins);
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252 | }
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253 | return instanceList.toArray(new Instance[0]);
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254 | }
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255 |
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256 |
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257 | /**
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258 | *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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259 | * 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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260 | * <p>
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261 | * 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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262 | * <br>
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263 | * <br>
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264 | * </p>
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265 | *
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266 | * @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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267 | * @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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268 | * @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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269 | * @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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270 | * @throws Exception
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271 | * @since 28.01.2014
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272 | */
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273 | public ClassLink[] getNextClass(String[] graphURIs, String originClass,
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274 | int limit) throws Exception {
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275 | StringBuffer queryStr = new StringBuffer();
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276 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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277 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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278 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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279 | // queryStr.append("SELECT DISTINCT ?p ?pDirection ?c (COUNT(?s) AS ?numOfLinks) \n");
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280 | queryStr.append("SELECT DISTINCT ?p ?pDirection ?c \n");
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281 | if (graphURIs != null) {
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282 | for (String graphURI : graphURIs) {
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283 | queryStr.append("FROM <");
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284 | queryStr.append(graphURI);
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285 | queryStr.append(">\n");
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286 | }
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287 | }
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288 | queryStr.append("WHERE{\n");
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289 | queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
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290 | queryStr.append(" { ?p rdfs:domain <");
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291 | queryStr.append(originClass);
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292 | queryStr.append(">.\n ?p rdfs:range ?c.\n");
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293 | // queryStr.append(" ?o ?p ?s.");
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294 | queryStr.append("}\n UNION\n");
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295 | queryStr.append(" { ?p rdfs:range <");
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296 | queryStr.append(originClass);
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297 | queryStr.append(">.\n");
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298 | queryStr.append(" ?p rdfs:domain ?c.\n");
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299 | // queryStr.append(" ?s ?p ?o.");
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300 | queryStr.append("}\n");
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301 |
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302 | queryStr.append(" ?p ?pDirection ?c.\n");
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303 |
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304 |
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305 | queryStr.append(" ?s rdf:type ?c.\n");
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306 | // queryStr.append(" ?o rdf:type <");
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307 | // queryStr.append(originClass);
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308 | // queryStr.append(">.\n");
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309 | queryStr.append("}\n");
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310 | // queryStr.append("GROUP BY ?p ?pDirection ?c\n");
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311 | if (limit > 0) {
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312 | queryStr.append("limit ");
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313 | queryStr.append(limit);
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314 | queryStr.append("\n");
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315 | }
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316 |
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317 | System.out.println(queryStr.toString());
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318 |
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319 | Query query = QueryFactory.create(queryStr.toString());
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320 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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321 | query);
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322 |
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323 | ResultSet results = qexec.execSelect();
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324 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
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325 | for (; results.hasNext();) {
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326 | QuerySolution sol = results.next();
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327 | Resource pro = sol.getResource("p");
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328 | Resource cls = sol.getResource("c");
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329 | Resource dir = sol.getResource("pDirection");
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330 | String proURI = pro.getURI();
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331 | String clsURI = cls.getURI();
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332 | String dirURI = dir.getURI();
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333 |
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334 | // System.out.println(pro.getURI() + " " + cls.getURI() + " " + dir.getURI());
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335 |
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336 |
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337 | Direction direction = null;
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338 | if( dirURI.equals("http://www.w3.org/2000/01/rdf-schema#domain") || dirURI.equals("rdfs:domain")){
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339 | direction = Direction.reverse;
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340 | }
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341 | if( dirURI.equals("http://www.w3.org/2000/01/rdf-schema#range") || dirURI.equals("rdfs:range")){
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342 | if( direction != null ){
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343 | direction = Direction.both;
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344 | }else{
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345 | direction = Direction.forward;
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346 | }
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347 | }
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348 | // System.out.println(direction);
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349 | int numOfLinks = sol.getLiteral("numOfLinks").getInt();
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350 | ClassLink cl = new ClassLink(proURI, clsURI, direction, numOfLinks);
|
---|
351 | solCLs.add(cl);
|
---|
352 | }
|
---|
353 | qexec.close();
|
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354 | return solCLs.toArray(new ClassLink[0]);
|
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355 | }
|
---|
356 |
|
---|
357 |
|
---|
358 | /**
|
---|
359 | *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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360 | * <p>
|
---|
361 | * 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� |
---|
362 | * <br>
|
---|
363 | * 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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364 | * <br>
|
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365 | * </p>
|
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366 | *
|
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367 | * @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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368 | * @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�� |
---|
369 | * @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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370 | * @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� |
---|
371 | * @throws Exception
|
---|
372 | * @since 28.01.2014
|
---|
373 | */
|
---|
374 | public ClassLink[] getNextClassViaInstanceLink(String[] graphURIs, String originClass,
|
---|
375 | int limit) throws Exception {
|
---|
376 | StringBuffer queryStr = new StringBuffer();
|
---|
377 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
378 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
379 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
380 | queryStr.append("SELECT DISTINCT ?pf ?pr ?c \n");
|
---|
381 | if (graphURIs != null) {
|
---|
382 | for (String graphURI : graphURIs) {
|
---|
383 | queryStr.append("FROM <");
|
---|
384 | queryStr.append(graphURI);
|
---|
385 | queryStr.append(">\n");
|
---|
386 | }
|
---|
387 | }
|
---|
388 | queryStr.append("WHERE{\n");
|
---|
389 | queryStr.append(" ?ins rdf:type ?c.\n");
|
---|
390 | queryStr.append(" ?insOrg rdf:type <");
|
---|
391 | queryStr.append(originClass);
|
---|
392 | queryStr.append(">.\n");
|
---|
393 | queryStr.append(" { ?ins ?pr ?insOrg. }\n UNION { ?insOrg ?pf ?ins. }\n");
|
---|
394 | queryStr.append("}\n");
|
---|
395 | if (limit > 0) {
|
---|
396 | queryStr.append("limit ");
|
---|
397 | queryStr.append(limit);
|
---|
398 | queryStr.append("\n");
|
---|
399 | }
|
---|
400 |
|
---|
401 | // System.out.println(queryStr.toString());
|
---|
402 |
|
---|
403 | Query query = QueryFactory.create(queryStr.toString());
|
---|
404 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
405 | query);
|
---|
406 |
|
---|
407 | ResultSet results = qexec.execSelect();
|
---|
408 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
|
---|
409 | for (; results.hasNext();) {
|
---|
410 | QuerySolution sol = results.next();
|
---|
411 | Resource proForward = sol.getResource("pf");
|
---|
412 | Resource proReverse = sol.getResource("pr");
|
---|
413 | Resource cls = sol.getResource("c");
|
---|
414 | Direction direction = null;
|
---|
415 | String propURI = null;
|
---|
416 | if( proForward != null ){
|
---|
417 | if( proReverse != null ){
|
---|
418 | direction = Direction.both;
|
---|
419 | }else{
|
---|
420 | direction = Direction.forward;
|
---|
421 | }
|
---|
422 | propURI = proForward.getURI();
|
---|
423 | }else{
|
---|
424 | direction = Direction.reverse;
|
---|
425 | propURI = proReverse.getURI();
|
---|
426 | }
|
---|
427 | String clsURI = cls.getURI();
|
---|
428 | // System.out.println(propURI + " " + clsURI + " " + direction);
|
---|
429 |
|
---|
430 | ClassLink cl = new ClassLink(propURI, clsURI, direction, 0);
|
---|
431 | solCLs.add(cl);
|
---|
432 | }
|
---|
433 | qexec.close();
|
---|
434 | return solCLs.toArray(new ClassLink[0]);
|
---|
435 | }
|
---|
436 |
|
---|
437 |
|
---|
438 |
|
---|
439 | public Path[] getPaths(String startClass, String endClass) throws Exception {
|
---|
440 | OWLClassGraph graph = new OWLClassGraph(startClass, endClass);
|
---|
441 | return graph.getPaths(this, 0);
|
---|
442 | }
|
---|
443 |
|
---|
444 | public String createSPARQL(Path path) throws Exception {
|
---|
445 | return null;
|
---|
446 | }
|
---|
447 |
|
---|
448 |
|
---|
449 |
|
---|
450 |
|
---|
451 | /*
|
---|
452 | private String executeSelect(String sparqlQuery) throws Exception {
|
---|
453 | HttpClient client = HttpClientBuilder.create().build();
|
---|
454 | HttpPost httppost = new HttpPost(endpointURI);
|
---|
455 | httppost.setHeader("Content-Type", "application/x-www-form-urlencoded");
|
---|
456 | httppost.setHeader("Accept", "application/sparql-results+xml");
|
---|
457 | List<NameValuePair> nvpList = new ArrayList<NameValuePair>();
|
---|
458 | nvpList.add(new BasicNameValuePair("query", sparqlQuery));
|
---|
459 | // nvpList.add(new BasicNameValuePair("format",
|
---|
460 | // outputFormat.getMime()));
|
---|
461 | httppost.setEntity(new UrlEncodedFormEntity(nvpList, Charset
|
---|
462 | .forName("UTF-8")));
|
---|
463 | HttpResponse response = client.execute(httppost);
|
---|
464 | // System.out.println("[StatusLine] " + response.getStatusLine());
|
---|
465 | HttpEntity entity = response.getEntity();
|
---|
466 | String entityString = EntityUtils.toString(entity, "UTF-8");
|
---|
467 | return entityString;
|
---|
468 | }
|
---|
469 | */
|
---|
470 |
|
---|
471 | /**
|
---|
472 | *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� |
---|
473 | *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� |
---|
474 | * <p>
|
---|
475 | * 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� |
---|
476 | * <br>
|
---|
477 | * 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
|
---|
478 | * <br>
|
---|
479 | * </p>
|
---|
480 | *
|
---|
481 | * @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)
|
---|
482 | * @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�� |
---|
483 | * @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�
|
---|
484 | * @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� |
---|
485 | * @throws Exception
|
---|
486 | * @since 28.01.2014
|
---|
487 | */
|
---|
488 | public InstanceLink[] getNextInstancesViaInstanceLink(String[] graphURIs, String originInstance,
|
---|
489 | int limit) throws Exception {
|
---|
490 | StringBuffer queryStr = new StringBuffer();
|
---|
491 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
492 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
493 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
494 | queryStr.append("SELECT DISTINCT ?pf ?pr ?ins ?c \n");
|
---|
495 | if (graphURIs != null) {
|
---|
496 | for (String graphURI : graphURIs) {
|
---|
497 | queryStr.append("FROM <");
|
---|
498 | queryStr.append(graphURI);
|
---|
499 | queryStr.append(">\n");
|
---|
500 | }
|
---|
501 | }
|
---|
502 | queryStr.append("WHERE{\n");
|
---|
503 | // queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
|
---|
504 | queryStr.append(" ?ins rdf:type ?c.\n");
|
---|
505 | queryStr.append(" { ?ins ?pr <");
|
---|
506 | queryStr.append(originInstance);
|
---|
507 | queryStr.append(">. }\n UNION { <");
|
---|
508 | queryStr.append(originInstance);
|
---|
509 | queryStr.append("> ?pf ?ins. }\n");
|
---|
510 |
|
---|
511 | queryStr.append(" FILTER (?c != rdf:Property)");
|
---|
512 |
|
---|
513 | queryStr.append("}\n");
|
---|
514 | if (limit > 0) {
|
---|
515 | queryStr.append("limit ");
|
---|
516 | queryStr.append(limit);
|
---|
517 | queryStr.append("\n");
|
---|
518 | }
|
---|
519 |
|
---|
520 | // System.out.println(queryStr.toString());
|
---|
521 |
|
---|
522 | Query query = QueryFactory.create(queryStr.toString());
|
---|
523 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
524 | query);
|
---|
525 |
|
---|
526 | ResultSet results = qexec.execSelect();
|
---|
527 | HashMap<String, InstanceLink> insLinkMap = new HashMap<String, InstanceLink>();
|
---|
528 | for (; results.hasNext();) {
|
---|
529 | QuerySolution sol = results.next();
|
---|
530 | Resource proForward = sol.getResource("pf");
|
---|
531 | Resource proReverse = sol.getResource("pr");
|
---|
532 | Resource ins = sol.getResource("ins");
|
---|
533 | Resource cls = sol.getResource("c");
|
---|
534 | Direction direction = null;
|
---|
535 | String propURI = null;
|
---|
536 | if( proForward != null ){
|
---|
537 | if( proReverse != null ){
|
---|
538 | direction = Direction.both;
|
---|
539 | }else{
|
---|
540 | direction = Direction.forward;
|
---|
541 | }
|
---|
542 | propURI = proForward.getURI();
|
---|
543 | }else{
|
---|
544 | direction = Direction.reverse;
|
---|
545 | propURI = proReverse.getURI();
|
---|
546 | }
|
---|
547 | String clsURI = cls.getURI();
|
---|
548 | String insURI = ins.getURI();
|
---|
549 | String key = propURI + "\t" + insURI + "\t" + direction;
|
---|
550 | if( insLinkMap.containsKey(key)){
|
---|
551 | InstanceLink insLink = insLinkMap.get(key);
|
---|
552 | insLink.addLinkedClassURI(clsURI);
|
---|
553 | }else{
|
---|
554 | InstanceLink insLink = new InstanceLink(propURI, insURI, new String[]{clsURI}, direction);
|
---|
555 | insLinkMap.put(key, insLink);
|
---|
556 | }
|
---|
557 | }
|
---|
558 | qexec.close();
|
---|
559 | Collection<InstanceLink> values = insLinkMap.values();
|
---|
560 | return values.toArray(new InstanceLink[0]);
|
---|
561 | }
|
---|
562 |
|
---|
563 |
|
---|
564 | public LabelMap[] getLabels(String[] graphURIs, String[] resourceURIs, String language) throws Exception{
|
---|
565 | if( resourceURIs == null || resourceURIs.length == 0 ){
|
---|
566 | return new LabelMap[0];
|
---|
567 | }
|
---|
568 | StringBuffer queryStr = new StringBuffer();
|
---|
569 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
570 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
571 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
572 | queryStr.append("SELECT DISTINCT ?res ?label \n");
|
---|
573 | if (graphURIs != null) {
|
---|
574 | for (String graphURI : graphURIs) {
|
---|
575 | queryStr.append("FROM <");
|
---|
576 | queryStr.append(graphURI);
|
---|
577 | queryStr.append(">\n");
|
---|
578 | }
|
---|
579 | }
|
---|
580 | queryStr.append("WHERE{\n");
|
---|
581 | queryStr.append(" ?res rdfs:label ?label.\n");
|
---|
582 | queryStr.append(" FILTER(?res IN (");
|
---|
583 | boolean f = false;
|
---|
584 | for( String resourceURI: resourceURIs ){
|
---|
585 | if(f){
|
---|
586 | queryStr.append(", ");
|
---|
587 | }
|
---|
588 | f = true;
|
---|
589 | queryStr.append("<");
|
---|
590 | queryStr.append(resourceURI);
|
---|
591 | queryStr.append(">");
|
---|
592 | }
|
---|
593 | queryStr.append("))\n");
|
---|
594 | queryStr.append("}");
|
---|
595 |
|
---|
596 | System.out.println(queryStr.toString());
|
---|
597 |
|
---|
598 | Query query = QueryFactory.create(queryStr.toString());
|
---|
599 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
600 | query);
|
---|
601 |
|
---|
602 | ResultSet results = qexec.execSelect();
|
---|
603 | HashMap<String, LabelMap> lMap = new HashMap<String, LabelMap>();
|
---|
604 | HashMap<String, InstanceLink> insLinkMap = new HashMap<String, InstanceLink>();
|
---|
605 | for (; results.hasNext();) {
|
---|
606 | QuerySolution sol = results.next();
|
---|
607 | String uri = sol.getResource("res").getURI();
|
---|
608 | Literal literal = sol.getLiteral("label");
|
---|
609 | if( literal != null ){
|
---|
610 | String label = literal.getString();
|
---|
611 | String lang = literal.getLanguage();
|
---|
612 | if( language != null && language.equals(lang)){
|
---|
613 | Label lbl = new Label(label, lang);
|
---|
614 | if( lMap.containsKey(uri)){
|
---|
615 | LabelMap lm = lMap.get(uri);
|
---|
616 | lm.addLabel(lbl);
|
---|
617 | }else{
|
---|
618 | LabelMap lm = new LabelMap(uri, new Label[]{lbl});
|
---|
619 | lMap.put(uri, lm);
|
---|
620 | }
|
---|
621 | }
|
---|
622 | }
|
---|
623 | }
|
---|
624 | return lMap.values().toArray(new LabelMap[0]);
|
---|
625 |
|
---|
626 |
|
---|
627 | }
|
---|
628 |
|
---|
629 | }
|
---|