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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15 | import com.hp.hpl.jena.rdf.model.Literal;
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16 | import com.hp.hpl.jena.rdf.model.Resource;
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17 |
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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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20 | *
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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 | * 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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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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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 | *
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48 | * @param args
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49 | * 菴ソ逕ィ縺励↑縺� |
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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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54 | // String sparqlEndpoint = "http://dbpedia.org/sparql";
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55 | String sparqlEndpoint = "http://lsd.dbcls.jp/sparql";
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56 | // String keyword = "artiste";
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57 | String[] keyword = { "Player", "Soccer" };
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58 | String[] graphURIs = new String[0];
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59 |
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60 | // keyword = null;
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61 |
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62 | OWLQueryBuilder builder = new OWLQueryBuilderImpl(sparqlEndpoint);
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63 |
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64 |
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65 | builder.getOWLClasses(null,keyword,"en",false);
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66 | /*
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67 | SClass[] clz = builder.getOWLClasses(graphURIs, keyword, false);
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68 | for (SClass cls : clz) {
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69 | System.out.println(cls);
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70 | }
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71 | clz = builder.countInstances(null, clz);
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72 | for (SClass cls : clz) {
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73 | System.out.println(cls);
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74 | }
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75 | */
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76 |
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77 |
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78 | builder.getOWLClasses(null, keyword, "en", false);
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79 | /*
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80 | * SClass[] clz = builder.getOWLClasses(graphURIs, keyword, false); for
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81 | * (SClass cls : clz) { System.out.println(cls); } clz =
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82 | * builder.countInstances(null, clz); for (SClass cls : clz) {
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83 | * System.out.println(cls); }
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84 | */
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85 |
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86 | /*
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87 | * System.out.println("CLS");
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88 | *
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89 | * String uri =
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90 | * "http://purl.jp/bio/10/lsd/ontology/201209#EnglishEntry";
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91 | *
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92 | * ClassLink[] cls = null; try{ cls = builder.getNextClass(null, uri,
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93 | * 100, false); }catch(Exception ex) { ex.printStackTrace(); }
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94 | *
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95 | * System.out.println("Solutions: "); if (cls != null) { for (ClassLink
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96 | * cl : cls) { System.out.println(cl.toString()); } cls =
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97 | * builder.countLinks(null, uri, cls); for (ClassLink cl : cls) {
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98 | * System.out.println(cl.toString()); } }
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99 | */
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100 | /*
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101 | *
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102 | * String uri =
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103 | * "http://purl.jp/bio/10/lsd/ontology/201209#EnglishEntry";
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104 | *
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105 | * ClassLink[] cls = null;
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106 | *
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107 | * System.out.println("CLS-INS"); cls = null; try{ cls =
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108 | * builder.getNextClassViaInstanceLink(null, uri, 100); }catch(Exception
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109 | * ex){ ex.printStackTrace(); } if (cls != null) { for (ClassLink cl :
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110 | * cls) { System.out.println(cl.toString()); } }
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111 | */
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112 | /*
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113 | * System.out.println("Instances"); Instance[] ins =
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114 | * builder.getInstances(null, "\"A.C. Reed\"@en"); if (ins != null) {
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115 | * for (Instance in : ins) { System.out.println(in.toString()); } }
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116 | */
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117 | /*
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118 | * System.out.println("INS-INS"); ins = builder.getInstances(null,
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119 | * "\"A.C. Reed\"@en"); InstanceLink[] iLinks =
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120 | * builder.getNextInstancesViaInstanceLink(null,
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121 | * ins[0].getInstanceURI(), 100);
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122 | *
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123 | * if (iLinks != null) { for (InstanceLink in : iLinks) {
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124 | * System.out.println(in.toString()); } }
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125 | */
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126 | }
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127 |
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128 | /**
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129 | * 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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130 | * <p>
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131 | * 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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132 | * </p>
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133 | *
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134 | * @param graphURIs
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135 | * 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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136 | * @param keyword
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137 | * ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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138 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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139 | * @throws Exception
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140 | * @since 28.01.2014
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141 | */
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142 |
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143 | public SClass[] getOWLClasses(String[] graphURIs, String[] keywords,String language,
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144 |
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145 | boolean countInstances) throws Exception {
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146 | StringBuffer queryStr = new StringBuffer();
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147 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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148 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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149 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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150 | if (countInstances) {
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151 | queryStr.append("SELECT DISTINCT ?c ?pLabel (COUNT(?i) AS ?numOfInstances)\n");
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152 | } else {
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153 | queryStr.append("SELECT DISTINCT ?c ?pLabel \n");
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154 | }
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155 | if (graphURIs != null) {
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156 | for (String graphURI : graphURIs) {
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157 | queryStr.append("FROM <");
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158 | queryStr.append(graphURI);
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159 | queryStr.append(">\n");
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160 | }
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161 | }
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162 | queryStr.append("WHERE{\n");
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163 |
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164 | //
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165 | queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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166 | // queryStr.append(" ?i rdf:type ?c.\n");
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167 |
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168 | if (countInstances) {
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169 | queryStr.append(" ?c rdfs:label ?label.\n");
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170 | }
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171 | queryStr.append(" ?c rdfs:label ?pLabel.\n");
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172 | if (countInstances) {
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173 | queryStr.append(" ?i rdf:type ?c.\n");
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174 | }
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175 | // queryStr.append(" ?c rdfs:label ");
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176 | // queryStr.append(keyword);
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177 | // queryStr.append(".");
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178 |
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179 | // TODO OR relationship between keywords
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180 | if (keywords != null && keywords.length != 0) {
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181 |
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182 | queryStr.append(" ?c rdfs:label ");
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183 | queryStr.append("?keywords")
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184 | .append(".\n");
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185 | queryStr.append(" filter((LANG(?keywords) = \'")
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186 | .append(language);
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187 | queryStr.append("\') && \n (");
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188 |
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189 | // (LANG(?keywords) = 'en') &&
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190 |
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191 | for (int i=0;i<keywords.length;i++)
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192 | {
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193 | if (i>0) queryStr.append(" or \n ");
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194 |
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195 |
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196 | queryStr.append("regex(str(")
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197 | .append("?keywords")
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198 | .append("),\"");
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199 | queryStr.append(keywords[i]);
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200 | queryStr.append("\", \"i\" )");
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201 |
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202 | }
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203 | queryStr.append("))\n");
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204 |
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205 | }
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206 |
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207 | if (countInstances) {
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208 | queryStr.append("} GROUP BY ?c ?pLabel");
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209 | } else {
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210 | queryStr.append("}");
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211 | }
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212 | System.out.println(queryStr.toString());
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213 |
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214 | /*
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215 | * Query query = QueryFactory.create(queryStr.toString());
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216 | *
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217 | *
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218 | * QueryExecution qexec = null; try{ long start =
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219 | * System.currentTimeMillis(); qexec =
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220 | * QueryExecutionFactory.sparqlService(endpointURI, query); long end =
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221 | * System.currentTimeMillis(); System.out.println("EXEC TIME: " +
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222 | * (end-start)); }catch(Exception ex){ ex.printStackTrace(); throw ex; }
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223 | *
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224 | * ResultSet results = qexec.execSelect(); HashMap<String, SClass>
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225 | * classMap = new HashMap<String, SClass>(); for (; results.hasNext();)
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226 | * { QuerySolution sol = results.next(); Resource res =
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227 | * sol.getResource("c"); if (res != null) { String uri = res.getURI();
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228 | * int numOfInstances = 0; if (countInstances) { numOfInstances =
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229 | * sol.getLiteral("numOfInstances").getInt(); } //
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230 | * System.out.println(numOfInstances); Literal labelLiteral =
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231 | * sol.getLiteral("pLabel"); SClass sClass = null; if
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232 | * (classMap.containsKey(uri)) { sClass = classMap.get(uri); } else {
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233 | * sClass = new SClass(uri, null, numOfInstances); classMap.put(uri,
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234 | * sClass); } if (labelLiteral != null) { String label =
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235 | * labelLiteral.getString(); String lang = labelLiteral.getLanguage();
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236 | * sClass.addLabel(new Label(label, lang)); } } } qexec.close(); return
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237 | * classMap.values().toArray(new SClass[0]);
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238 | */
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239 | return null;
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240 | }
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241 |
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242 | public SClass[] listClasses(String[] graphURIs, boolean countInstances)
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243 | throws Exception {
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244 |
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245 | // TODO
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246 | return null;
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247 | }
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248 |
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249 | /**
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250 | * 縲繧、繝ウ繧ケ繧ソ繝ウ繧ケ繧貞叙蠕励☆繧� |
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251 | * <p>
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252 | * 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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253 | * 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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254 | * </p>
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255 | *
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256 | * @param graphURIs
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257 | * 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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258 | * @param keyword
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259 | * ��ull繧�ゥコ譁�ュ励�荳榊庄�� |
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260 | * @return 繧ッ繝ゥ繧ケURI縺ョ驟榊�
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261 | * @throws Exception
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262 | * @since 28.01.2014
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263 | */
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264 | public Instance[] getInstances(String[] graphURIs, String keyword)
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265 | throws Exception {
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266 | StringBuffer queryStr = new StringBuffer();
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267 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
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268 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
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269 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
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270 | queryStr.append("SELECT DISTINCT ?ins ?c \n");
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271 | if (graphURIs != null) {
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272 | for (String graphURI : graphURIs) {
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273 | queryStr.append("FROM <");
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274 | queryStr.append(graphURI);
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275 | queryStr.append(">\n");
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276 | }
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277 | }
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278 | queryStr.append("WHERE{\n");
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279 | // queryStr.append(" {?c rdf:type rdfs:Class} UNION {?c rdf:type owl:Class}\n");
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280 |
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281 | queryStr.append(" ?ins rdf:type ?c.\n");
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282 | queryStr.append(" ?ins rdfs:label ");
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283 | queryStr.append(keyword);
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284 | queryStr.append(".\n");
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285 | queryStr.append(" FILTER (?c != rdf:Property)");
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286 | queryStr.append("}");
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287 |
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288 | // System.out.println(queryStr.toString());
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289 |
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290 | Query query = QueryFactory.create(queryStr.toString());
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291 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
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292 | query);
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293 |
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294 | ResultSet results = qexec.execSelect();
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295 | HashMap<String, HashSet<String>> instanceMap = new HashMap<String, HashSet<String>>();
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296 | for (; results.hasNext();) {
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297 | QuerySolution sol = results.next();
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298 | Resource cls = sol.getResource("c");
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299 | Resource ins = sol.getResource("ins");
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300 | String clsURI = cls.getURI();
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301 | String insURI = ins.getURI();
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302 | if (instanceMap.containsKey(insURI)) {
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303 | HashSet<String> classes = instanceMap.get(insURI);
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304 | classes.add(clsURI);
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305 | } else {
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306 | HashSet<String> classes = new HashSet<String>();
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307 | instanceMap.put(insURI, classes);
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308 | classes.add(clsURI);
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309 | }
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310 | }
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311 | qexec.close();
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312 | Set<String> keySet = instanceMap.keySet();
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313 | ArrayList<Instance> instanceList = new ArrayList<Instance>();
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314 | for (String key : keySet) {
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315 | Instance ins = new Instance(key, instanceMap.get(key).toArray(
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316 | new String[0]));
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317 | instanceList.add(ins);
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318 | }
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319 | return instanceList.toArray(new Instance[0]);
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320 | }
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321 |
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322 | /**
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323 | * 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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324 | * 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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325 | * <p>
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326 | * 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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327 | * <br>
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328 | * </p>
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329 | *
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330 | * @param graphURIs
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331 | * 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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332 | * @param originClass
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333 | * 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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334 | * @param limit
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335 | * 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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336 | * @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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337 | * @throws Exception
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338 | * @since 28.01.2014
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339 | */
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340 | public ClassLink[] getNextClass(String[] graphURIs, String originClass,
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341 | int limit, boolean countLinks) throws Exception {
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342 | ClassLink[] cLinks = getNextClassSub(graphURIs, originClass, limit,
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343 | false);
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344 | if (countLinks) {
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345 | cLinks = countLinks(graphURIs, originClass, cLinks);
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346 | }
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347 | return cLinks;
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348 | }
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349 |
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350 | private ClassLink[] getNextClassSub(String[] graphURIs, String originClass,
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351 | int limit, boolean countLinks) throws Exception {
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352 | StringBuffer queryStr = new StringBuffer();
|
---|
353 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
354 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
355 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
356 |
|
---|
357 | // SELECT
|
---|
358 | if (countLinks) {
|
---|
359 | queryStr.append("SELECT DISTINCT ?p ?pDirection ?c (COUNT(?oci) AS ?numOfOriginalClassInstances) (COUNT(?lci) AS ?numOfLinkedClassInstances) (COUNT(?s) AS ?numOfLinks) (COUNT(DISTINCT(?s)) AS ?numOfLinkedInstances) \n");
|
---|
360 | } else {
|
---|
361 | queryStr.append("SELECT DISTINCT ?p ?pDirection ?c \n");
|
---|
362 | }
|
---|
363 |
|
---|
364 | if (graphURIs != null) {
|
---|
365 | for (String graphURI : graphURIs) {
|
---|
366 | queryStr.append("FROM <");
|
---|
367 | queryStr.append(graphURI);
|
---|
368 | queryStr.append(">\n");
|
---|
369 | }
|
---|
370 | }
|
---|
371 | queryStr.append("WHERE{\n");
|
---|
372 | // queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
|
---|
373 | queryStr.append(" { ?p rdfs:domain <");
|
---|
374 | queryStr.append(originClass);
|
---|
375 | queryStr.append(">.\n ?p rdfs:range ?c.\n");
|
---|
376 |
|
---|
377 | if (countLinks) {
|
---|
378 | queryStr.append(" ?o ?p ?s.");
|
---|
379 | } else {
|
---|
380 | queryStr.append("filter(exists{\n");
|
---|
381 | queryStr.append(" ?o rdf:type ?c.\n");
|
---|
382 | queryStr.append(" ?s rdf:type <");
|
---|
383 | queryStr.append(originClass);
|
---|
384 | queryStr.append(">.\n");
|
---|
385 | queryStr.append(" ?s ?p ?o.})\n");
|
---|
386 | }
|
---|
387 |
|
---|
388 | queryStr.append("}\n UNION\n");
|
---|
389 | queryStr.append(" { ?p rdfs:range <");
|
---|
390 | queryStr.append(originClass);
|
---|
391 | queryStr.append(">.\n");
|
---|
392 | queryStr.append(" ?p rdfs:domain ?c.\n");
|
---|
393 |
|
---|
394 | if (countLinks) {
|
---|
395 | queryStr.append(" ?s ?p ?o.");
|
---|
396 | } else {
|
---|
397 | queryStr.append("filter(exists{\n");
|
---|
398 | queryStr.append(" ?s rdf:type ?c.\n");
|
---|
399 | queryStr.append(" ?o rdf:type <");
|
---|
400 | queryStr.append(originClass);
|
---|
401 | queryStr.append(">.\n");
|
---|
402 | queryStr.append(" ?s ?p ?o.})\n");
|
---|
403 | }
|
---|
404 |
|
---|
405 | queryStr.append("}\n");
|
---|
406 |
|
---|
407 | queryStr.append(" ?p ?pDirection ?c.\n");
|
---|
408 |
|
---|
409 | // queryStr.append(" ?s rdf:type ?c.\n");
|
---|
410 |
|
---|
411 | if (countLinks) {
|
---|
412 | queryStr.append("}\nGROUP BY ?p ?pDirection ?c\n");
|
---|
413 | } else {
|
---|
414 | queryStr.append("}\n");
|
---|
415 | }
|
---|
416 | if (limit > 0) {
|
---|
417 | queryStr.append("limit ");
|
---|
418 | queryStr.append(limit);
|
---|
419 | queryStr.append("\n");
|
---|
420 | }
|
---|
421 |
|
---|
422 | System.out.println("getNextClasses SPARQL Query: ");
|
---|
423 | System.out.println(queryStr.toString());
|
---|
424 |
|
---|
425 | Query query = QueryFactory.create(queryStr.toString());
|
---|
426 | QueryExecution qexec = null;
|
---|
427 | try {
|
---|
428 | qexec = QueryExecutionFactory.sparqlService(endpointURI, query);
|
---|
429 | } catch (Exception ex) {
|
---|
430 | ex.printStackTrace();
|
---|
431 | throw ex;
|
---|
432 | }
|
---|
433 |
|
---|
434 | ResultSet results = null;
|
---|
435 | try {
|
---|
436 | long start = System.currentTimeMillis();
|
---|
437 | results = qexec.execSelect();
|
---|
438 | long end = System.currentTimeMillis();
|
---|
439 | System.out.println("EXEC TIME: " + (end - start));
|
---|
440 | } catch (Exception ex) {
|
---|
441 | ex.printStackTrace();
|
---|
442 | throw ex;
|
---|
443 | }
|
---|
444 |
|
---|
445 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
|
---|
446 | for (; results.hasNext();) {
|
---|
447 | QuerySolution sol = results.next();
|
---|
448 | Resource pro = sol.getResource("p");
|
---|
449 | if (pro != null) {
|
---|
450 | Resource cls = sol.getResource("c");
|
---|
451 | Resource dir = sol.getResource("pDirection");
|
---|
452 | String proURI = pro.getURI();
|
---|
453 | String clsURI = cls.getURI();
|
---|
454 | String dirURI = dir.getURI();
|
---|
455 |
|
---|
456 | // System.out.println(pro.getURI() + " " + cls.getURI() + " " +
|
---|
457 | // dir.getURI());
|
---|
458 |
|
---|
459 | Direction direction = null;
|
---|
460 | if (dirURI
|
---|
461 | .equals("http://www.w3.org/2000/01/rdf-schema#domain")
|
---|
462 | || dirURI.equals("rdfs:domain")) {
|
---|
463 | direction = Direction.reverse;
|
---|
464 | }
|
---|
465 | if (dirURI.equals("http://www.w3.org/2000/01/rdf-schema#range")
|
---|
466 | || dirURI.equals("rdfs:range")) {
|
---|
467 | if (direction != null) {
|
---|
468 | direction = Direction.both;
|
---|
469 | } else {
|
---|
470 | direction = Direction.forward;
|
---|
471 | }
|
---|
472 | }
|
---|
473 | // System.out.println(direction);
|
---|
474 | int numOfLinks = 0;
|
---|
475 | if (countLinks) {
|
---|
476 | numOfLinks = sol.getLiteral("numOfLinks").getInt();
|
---|
477 | }
|
---|
478 | ClassLink cl = new ClassLink(proURI, clsURI, direction,
|
---|
479 | numOfLinks, 0, 0, 0, 0);
|
---|
480 | solCLs.add(cl);
|
---|
481 | }
|
---|
482 | }
|
---|
483 | qexec.close();
|
---|
484 | return solCLs.toArray(new ClassLink[0]);
|
---|
485 | }
|
---|
486 |
|
---|
487 | /**
|
---|
488 | * 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� |
---|
489 | * 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� |
---|
490 | * <p>
|
---|
491 | * 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>
|
---|
492 | * 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>
|
---|
493 | * </p>
|
---|
494 | *
|
---|
495 | * @param graphURIs
|
---|
496 | * 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)
|
---|
497 | * @param originClass
|
---|
498 | * 襍キ轤ケ縺ィ縺ェ繧九け繝ゥ繧ケ縺ョURI縲��ull荳榊庄�� |
---|
499 | * @param limit
|
---|
500 | * 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�
|
---|
501 | * @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� |
---|
502 | * @throws Exception
|
---|
503 | * @since 28.01.2014
|
---|
504 | */
|
---|
505 | public ClassLink[] getNextClassViaInstanceLink(String[] graphURIs,
|
---|
506 | String originClass, int limit) throws Exception {
|
---|
507 | StringBuffer queryStr = new StringBuffer();
|
---|
508 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
509 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
510 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
511 | queryStr.append("SELECT DISTINCT ?pf ?pr (COUNT(?pf) AS ?numOfForwardLinks) (COUNT(?pr) AS ?numOfReverseLinks) (COUNT(DISTINCT(?insOrg)) AS ?numOfOriginInstances) (COUNT(DISTINCT(?ins)) AS ?numOfLinkedInstances) ?c \n");
|
---|
512 | if (graphURIs != null) {
|
---|
513 | for (String graphURI : graphURIs) {
|
---|
514 | queryStr.append("FROM <");
|
---|
515 | queryStr.append(graphURI);
|
---|
516 | queryStr.append(">\n");
|
---|
517 | }
|
---|
518 | }
|
---|
519 | queryStr.append("WHERE{\n");
|
---|
520 | queryStr.append(" ?ins rdf:type ?c.\n");
|
---|
521 | queryStr.append(" ?insOrg rdf:type <");
|
---|
522 | queryStr.append(originClass);
|
---|
523 | queryStr.append(">.\n");
|
---|
524 | queryStr.append(" { ?ins ?pr ?insOrg. }\n UNION { ?insOrg ?pf ?ins. }\n");
|
---|
525 | queryStr.append("}\n");
|
---|
526 | queryStr.append("GROUP BY ?pf ?pr ?c\n");
|
---|
527 | if (limit > 0) {
|
---|
528 | queryStr.append("limit ");
|
---|
529 | queryStr.append(limit);
|
---|
530 | queryStr.append("\n");
|
---|
531 | }
|
---|
532 |
|
---|
533 | System.out.println(queryStr.toString());
|
---|
534 |
|
---|
535 | Query query = QueryFactory.create(queryStr.toString());
|
---|
536 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
537 | query);
|
---|
538 |
|
---|
539 | ResultSet results = null;
|
---|
540 | try {
|
---|
541 | long start = System.currentTimeMillis();
|
---|
542 | results = qexec.execSelect();
|
---|
543 | long end = System.currentTimeMillis();
|
---|
544 | System.out.println("EXEC TIME: " + (end - start));
|
---|
545 | } catch (Exception ex) {
|
---|
546 | ex.printStackTrace();
|
---|
547 | throw ex;
|
---|
548 | }
|
---|
549 |
|
---|
550 | ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
|
---|
551 | for (; results.hasNext();) {
|
---|
552 | QuerySolution sol = results.next();
|
---|
553 | Resource proForward = sol.getResource("pf");
|
---|
554 | Resource proReverse = sol.getResource("pr");
|
---|
555 | Resource cls = sol.getResource("c");
|
---|
556 | Direction direction = null;
|
---|
557 | String propURI = null;
|
---|
558 | int numOfLinks = 0;
|
---|
559 | int numOfLinkedInstances = 0;
|
---|
560 | int numOfOriginInstances = 0;
|
---|
561 | if (proForward != null) {
|
---|
562 | if (proReverse != null) {
|
---|
563 | numOfLinks = sol.getLiteral("numOfForwardLinks").getInt();
|
---|
564 | numOfLinks += sol.getLiteral("numOfReverseLinks").getInt();
|
---|
565 | numOfLinkedInstances = sol.getLiteral(
|
---|
566 | "numOfLinkedInstances").getInt();
|
---|
567 | numOfOriginInstances = sol.getLiteral(
|
---|
568 | "numOfOriginInstances").getInt();
|
---|
569 | direction = Direction.both;
|
---|
570 | } else {
|
---|
571 | numOfLinkedInstances = sol.getLiteral(
|
---|
572 | "numOfLinkedInstances").getInt();
|
---|
573 | numOfOriginInstances = sol.getLiteral(
|
---|
574 | "numOfOriginInstances").getInt();
|
---|
575 | numOfLinks = sol.getLiteral("numOfForwardLinks").getInt();
|
---|
576 | direction = Direction.forward;
|
---|
577 | }
|
---|
578 | propURI = proForward.getURI();
|
---|
579 | } else {
|
---|
580 | direction = Direction.reverse;
|
---|
581 | propURI = proReverse.getURI();
|
---|
582 | numOfLinkedInstances = sol.getLiteral("numOfOriginInstances")
|
---|
583 | .getInt();
|
---|
584 | numOfOriginInstances = sol.getLiteral("numOfLinkedInstances")
|
---|
585 | .getInt();
|
---|
586 | numOfLinks = sol.getLiteral("numOfReverseLinks").getInt();
|
---|
587 | }
|
---|
588 | String clsURI = cls.getURI();
|
---|
589 | // System.out.println(propURI + " " + clsURI + " " + direction);
|
---|
590 |
|
---|
591 | ClassLink cl = new ClassLink(propURI, clsURI, direction,
|
---|
592 | numOfLinks, numOfOriginInstances, numOfLinkedInstances, 0,
|
---|
593 | 0);
|
---|
594 | solCLs.add(cl);
|
---|
595 | }
|
---|
596 | qexec.close();
|
---|
597 | return solCLs.toArray(new ClassLink[0]);
|
---|
598 | }
|
---|
599 |
|
---|
600 | public Path[] getPaths(String startClass, String endClass, int mode,
|
---|
601 | boolean countLinks) throws Exception {
|
---|
602 | OWLClassGraph graph = new OWLClassGraph(startClass, endClass);
|
---|
603 | return graph.getPaths(this, mode, countLinks);
|
---|
604 | }
|
---|
605 |
|
---|
606 | public String createSPARQL(Path path) throws Exception {
|
---|
607 | return null;
|
---|
608 | }
|
---|
609 |
|
---|
610 | /*
|
---|
611 | * private String executeSelect(String sparqlQuery) throws Exception {
|
---|
612 | * HttpClient client = HttpClientBuilder.create().build(); HttpPost httppost
|
---|
613 | * = new HttpPost(endpointURI); httppost.setHeader("Content-Type",
|
---|
614 | * "application/x-www-form-urlencoded"); httppost.setHeader("Accept",
|
---|
615 | * "application/sparql-results+xml"); List<NameValuePair> nvpList = new
|
---|
616 | * ArrayList<NameValuePair>(); nvpList.add(new BasicNameValuePair("query",
|
---|
617 | * sparqlQuery)); // nvpList.add(new BasicNameValuePair("format", //
|
---|
618 | * outputFormat.getMime())); httppost.setEntity(new
|
---|
619 | * UrlEncodedFormEntity(nvpList, Charset .forName("UTF-8"))); HttpResponse
|
---|
620 | * response = client.execute(httppost); //
|
---|
621 | * System.out.println("[StatusLine] " + response.getStatusLine());
|
---|
622 | * HttpEntity entity = response.getEntity(); String entityString =
|
---|
623 | * EntityUtils.toString(entity, "UTF-8"); return entityString; }
|
---|
624 | */
|
---|
625 |
|
---|
626 | /**
|
---|
627 | * 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� |
---|
628 | * 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� |
---|
629 | * <p>
|
---|
630 | * 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>
|
---|
631 | * 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>
|
---|
632 | * </p>
|
---|
633 | *
|
---|
634 | * @param graphURIs
|
---|
635 | * 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)
|
---|
636 | * @param originInstance
|
---|
637 | * 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�� |
---|
638 | * @param limit
|
---|
639 | * 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�
|
---|
640 | * @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� |
---|
641 | * @throws Exception
|
---|
642 | * @since 28.01.2014
|
---|
643 | */
|
---|
644 | public InstanceLink[] getNextInstancesViaInstanceLink(String[] graphURIs,
|
---|
645 | String originInstance, int limit) throws Exception {
|
---|
646 | StringBuffer queryStr = new StringBuffer();
|
---|
647 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
648 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
649 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
650 | queryStr.append("SELECT DISTINCT ?pf ?pr ?ins ?c \n");
|
---|
651 | if (graphURIs != null) {
|
---|
652 | for (String graphURI : graphURIs) {
|
---|
653 | queryStr.append("FROM <");
|
---|
654 | queryStr.append(graphURI);
|
---|
655 | queryStr.append(">\n");
|
---|
656 | }
|
---|
657 | }
|
---|
658 | queryStr.append("WHERE{\n");
|
---|
659 | // queryStr.append(" { ?c rdf:type rdfs:Class. }\n UNION\n { ?c rdf:type owl:Class. }\n");
|
---|
660 | queryStr.append(" ?ins rdf:type ?c.\n");
|
---|
661 | queryStr.append(" { ?ins ?pr <");
|
---|
662 | queryStr.append(originInstance);
|
---|
663 | queryStr.append(">. }\n UNION { <");
|
---|
664 | queryStr.append(originInstance);
|
---|
665 | queryStr.append("> ?pf ?ins. }\n");
|
---|
666 |
|
---|
667 | queryStr.append(" FILTER (?c != rdf:Property)");
|
---|
668 |
|
---|
669 | queryStr.append("}\n");
|
---|
670 | if (limit > 0) {
|
---|
671 | queryStr.append("limit ");
|
---|
672 | queryStr.append(limit);
|
---|
673 | queryStr.append("\n");
|
---|
674 | }
|
---|
675 |
|
---|
676 | // System.out.println(queryStr.toString());
|
---|
677 |
|
---|
678 | Query query = QueryFactory.create(queryStr.toString());
|
---|
679 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
680 | query);
|
---|
681 |
|
---|
682 | ResultSet results = qexec.execSelect();
|
---|
683 | HashMap<String, InstanceLink> insLinkMap = new HashMap<String, InstanceLink>();
|
---|
684 | for (; results.hasNext();) {
|
---|
685 | QuerySolution sol = results.next();
|
---|
686 | Resource proForward = sol.getResource("pf");
|
---|
687 | Resource proReverse = sol.getResource("pr");
|
---|
688 | Resource ins = sol.getResource("ins");
|
---|
689 | Resource cls = sol.getResource("c");
|
---|
690 | Direction direction = null;
|
---|
691 | String propURI = null;
|
---|
692 | if (proForward != null) {
|
---|
693 | if (proReverse != null) {
|
---|
694 | direction = Direction.both;
|
---|
695 | } else {
|
---|
696 | direction = Direction.forward;
|
---|
697 | }
|
---|
698 | propURI = proForward.getURI();
|
---|
699 | } else {
|
---|
700 | direction = Direction.reverse;
|
---|
701 | propURI = proReverse.getURI();
|
---|
702 | }
|
---|
703 | String clsURI = cls.getURI();
|
---|
704 | String insURI = ins.getURI();
|
---|
705 | String key = propURI + "\t" + insURI + "\t" + direction;
|
---|
706 | if (insLinkMap.containsKey(key)) {
|
---|
707 | InstanceLink insLink = insLinkMap.get(key);
|
---|
708 | insLink.addLinkedClassURI(clsURI);
|
---|
709 | } else {
|
---|
710 | InstanceLink insLink = new InstanceLink(propURI, insURI,
|
---|
711 | new String[] { clsURI }, direction);
|
---|
712 | insLinkMap.put(key, insLink);
|
---|
713 | }
|
---|
714 | }
|
---|
715 | qexec.close();
|
---|
716 | Collection<InstanceLink> values = insLinkMap.values();
|
---|
717 | return values.toArray(new InstanceLink[0]);
|
---|
718 | }
|
---|
719 |
|
---|
720 | public LabelMap[] getLabels(String[] graphURIs, String[] resourceURIs,
|
---|
721 | String language) throws Exception {
|
---|
722 | if (resourceURIs == null || resourceURIs.length == 0) {
|
---|
723 | return new LabelMap[0];
|
---|
724 | }
|
---|
725 | StringBuffer queryStr = new StringBuffer();
|
---|
726 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
727 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
728 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
729 | queryStr.append("SELECT DISTINCT ?res ?label \n");
|
---|
730 | if (graphURIs != null) {
|
---|
731 | for (String graphURI : graphURIs) {
|
---|
732 | queryStr.append("FROM <");
|
---|
733 | queryStr.append(graphURI);
|
---|
734 | queryStr.append(">\n");
|
---|
735 | }
|
---|
736 | }
|
---|
737 | queryStr.append("WHERE{\n");
|
---|
738 | queryStr.append(" ?res rdfs:label ?label.\n");
|
---|
739 | queryStr.append(" FILTER(?res IN (");
|
---|
740 | boolean f = false;
|
---|
741 | for (String resourceURI : resourceURIs) {
|
---|
742 | if (f) {
|
---|
743 | queryStr.append(", ");
|
---|
744 | }
|
---|
745 | f = true;
|
---|
746 | queryStr.append("<");
|
---|
747 | queryStr.append(resourceURI);
|
---|
748 | queryStr.append(">");
|
---|
749 | }
|
---|
750 | queryStr.append("))\n");
|
---|
751 | queryStr.append("}");
|
---|
752 |
|
---|
753 | System.out.println(queryStr.toString());
|
---|
754 |
|
---|
755 | Query query = QueryFactory.create(queryStr.toString());
|
---|
756 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
757 | query);
|
---|
758 |
|
---|
759 | ResultSet results = qexec.execSelect();
|
---|
760 | HashMap<String, LabelMap> lMap = new HashMap<String, LabelMap>();
|
---|
761 | for (; results.hasNext();) {
|
---|
762 | QuerySolution sol = results.next();
|
---|
763 | String uri = sol.getResource("res").getURI();
|
---|
764 | Literal literal = sol.getLiteral("label");
|
---|
765 | if (literal != null) {
|
---|
766 | String label = literal.getString();
|
---|
767 | String lang = literal.getLanguage();
|
---|
768 | if (language != null && language.equals(lang)) {
|
---|
769 | Label lbl = new Label(label, lang);
|
---|
770 | if (lMap.containsKey(uri)) {
|
---|
771 | LabelMap lm = lMap.get(uri);
|
---|
772 | lm.addLabel(lbl);
|
---|
773 | } else {
|
---|
774 | LabelMap lm = new LabelMap(uri, new Label[] { lbl });
|
---|
775 | lMap.put(uri, lm);
|
---|
776 | }
|
---|
777 | }
|
---|
778 | }
|
---|
779 | }
|
---|
780 | return lMap.values().toArray(new LabelMap[0]);
|
---|
781 | }
|
---|
782 |
|
---|
783 | public ClassLink[] countLinks(String[] graphURIs, String startClassURI,
|
---|
784 | ClassLink[] classLinks) throws Exception {
|
---|
785 | if (classLinks == null || classLinks.length == 0) {
|
---|
786 | return new ClassLink[0];
|
---|
787 | }
|
---|
788 | for (ClassLink classLink : classLinks) {
|
---|
789 | StringBuffer queryStr = new StringBuffer();
|
---|
790 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
791 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
792 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
793 |
|
---|
794 | queryStr.append("SELECT (COUNT(?os) AS ?numOfLinks) (COUNT(DISTINCT(?is)) AS ?numOfOriginInstances) (COUNT(DISTINCT(?os)) AS ?numOfLinkedInstances) \n");
|
---|
795 | if (graphURIs != null) {
|
---|
796 | for (String graphURI : graphURIs) {
|
---|
797 | queryStr.append("FROM <");
|
---|
798 | queryStr.append(graphURI);
|
---|
799 | queryStr.append(">\n");
|
---|
800 | }
|
---|
801 | }
|
---|
802 |
|
---|
803 | queryStr.append("WHERE{\n");
|
---|
804 | if (classLink.getDirection() == Direction.forward) {
|
---|
805 | queryStr.append("?is rdf:type <");
|
---|
806 | queryStr.append(startClassURI);
|
---|
807 | queryStr.append(">.\n");
|
---|
808 | queryStr.append("?os rdf:type <");
|
---|
809 | queryStr.append(classLink.getLinkedClassURI());
|
---|
810 | queryStr.append(">.\n");
|
---|
811 | queryStr.append("?is <");
|
---|
812 | queryStr.append(classLink.getPropertyURI());
|
---|
813 | queryStr.append("> ?os.\n");
|
---|
814 | queryStr.append("}");
|
---|
815 | } else {
|
---|
816 | if (classLink.getDirection() == Direction.forward) {
|
---|
817 | queryStr.append("?os rdf:type <");
|
---|
818 | queryStr.append(startClassURI);
|
---|
819 | queryStr.append(">.\n");
|
---|
820 | queryStr.append("?is rdf:type <");
|
---|
821 | queryStr.append(classLink.getLinkedClassURI());
|
---|
822 | queryStr.append(">.\n");
|
---|
823 | queryStr.append("?is <");
|
---|
824 | queryStr.append(classLink.getPropertyURI());
|
---|
825 | queryStr.append("> ?os.\n");
|
---|
826 | queryStr.append("}");
|
---|
827 | } else {
|
---|
828 | queryStr.append("?os rdf:type <");
|
---|
829 | queryStr.append(startClassURI);
|
---|
830 | queryStr.append(">.\n");
|
---|
831 | queryStr.append("?is rdf:type <");
|
---|
832 | queryStr.append(classLink.getLinkedClassURI());
|
---|
833 | queryStr.append(">.\n");
|
---|
834 | queryStr.append("{?is <");
|
---|
835 | queryStr.append(classLink.getPropertyURI());
|
---|
836 | queryStr.append("> ?os.}\n");
|
---|
837 | queryStr.append("UNION\n");
|
---|
838 | queryStr.append("{?os <");
|
---|
839 | queryStr.append(classLink.getPropertyURI());
|
---|
840 | queryStr.append("> ?is.}\n");
|
---|
841 | queryStr.append("}");
|
---|
842 | }
|
---|
843 | }
|
---|
844 | System.out.println(queryStr.toString());
|
---|
845 |
|
---|
846 | Query query = QueryFactory.create(queryStr.toString());
|
---|
847 | QueryExecution qexec = QueryExecutionFactory.sparqlService(
|
---|
848 | endpointURI, query);
|
---|
849 |
|
---|
850 | ResultSet results = qexec.execSelect();
|
---|
851 | if (results.hasNext()) {
|
---|
852 | QuerySolution sol = results.next();
|
---|
853 | Literal lit = sol.getLiteral("numOfLinks");
|
---|
854 | if (lit != null) {
|
---|
855 | int numOfLinks = lit.getInt();
|
---|
856 | classLink.setNumOfLinks(numOfLinks);
|
---|
857 | }
|
---|
858 | lit = sol.getLiteral("numOfLinkedInstances");
|
---|
859 | if (lit != null) {
|
---|
860 | int numOfLinkedInstances = lit.getInt();
|
---|
861 | classLink.setNumOfLinkedInstances(numOfLinkedInstances);
|
---|
862 | }
|
---|
863 | lit = sol.getLiteral("numOfOriginInstances");
|
---|
864 | if (lit != null) {
|
---|
865 | int numOfOriginInstances = lit.getInt();
|
---|
866 | classLink.setNumOfOriginInstances(numOfOriginInstances);
|
---|
867 | }
|
---|
868 | lit = sol.getLiteral("numOfOriginClassInstances");
|
---|
869 | if (lit != null) {
|
---|
870 | int numOfOriginClassInstances = lit.getInt();
|
---|
871 | classLink
|
---|
872 | .setNumOfOriginClassInstances(numOfOriginClassInstances);
|
---|
873 | }
|
---|
874 | lit = sol.getLiteral("numOfLinkedClassInstances");
|
---|
875 | if (lit != null) {
|
---|
876 | int numOfLinkedClassInstances = lit.getInt();
|
---|
877 | classLink
|
---|
878 | .setNumOfLinkedClassInstances(numOfLinkedClassInstances);
|
---|
879 | }
|
---|
880 | }
|
---|
881 | qexec.close();
|
---|
882 |
|
---|
883 | // count instances
|
---|
884 | queryStr = new StringBuffer();
|
---|
885 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
886 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
887 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
888 |
|
---|
889 | queryStr.append("SELECT (COUNT(?ics) AS ?numOfOriginClassInstances) \n");
|
---|
890 | if (graphURIs != null) {
|
---|
891 | for (String graphURI : graphURIs) {
|
---|
892 | queryStr.append("FROM <");
|
---|
893 | queryStr.append(graphURI);
|
---|
894 | queryStr.append(">\n");
|
---|
895 | }
|
---|
896 | }
|
---|
897 |
|
---|
898 | queryStr.append("WHERE{\n");
|
---|
899 | if (classLink.getDirection() == Direction.forward) {
|
---|
900 | queryStr.append("?ics rdf:type <");
|
---|
901 | queryStr.append(startClassURI);
|
---|
902 | queryStr.append(">.\n");
|
---|
903 | queryStr.append("}");
|
---|
904 | } else {
|
---|
905 | if (classLink.getDirection() == Direction.forward) {
|
---|
906 | queryStr.append("?ics rdf:type <");
|
---|
907 | queryStr.append(classLink.getLinkedClassURI());
|
---|
908 | queryStr.append(">.\n");
|
---|
909 | queryStr.append("}");
|
---|
910 | } else {
|
---|
911 | queryStr.append("?ics rdf:type <");
|
---|
912 | queryStr.append(classLink.getLinkedClassURI());
|
---|
913 | queryStr.append(">.\n");
|
---|
914 | queryStr.append("}");
|
---|
915 | }
|
---|
916 | }
|
---|
917 |
|
---|
918 | System.out.println(queryStr.toString());
|
---|
919 |
|
---|
920 | query = QueryFactory.create(queryStr.toString());
|
---|
921 | qexec = QueryExecutionFactory.sparqlService(endpointURI, query);
|
---|
922 |
|
---|
923 | results = qexec.execSelect();
|
---|
924 | if (results.hasNext()) {
|
---|
925 | QuerySolution sol = results.next();
|
---|
926 | Literal lit = null;
|
---|
927 | lit = sol.getLiteral("numOfOriginClassInstances");
|
---|
928 | if (lit != null) {
|
---|
929 | int numOfOriginClassInstances = lit.getInt();
|
---|
930 | classLink
|
---|
931 | .setNumOfOriginClassInstances(numOfOriginClassInstances);
|
---|
932 | }
|
---|
933 | }
|
---|
934 | qexec.close();
|
---|
935 |
|
---|
936 | // count instances
|
---|
937 | queryStr = new StringBuffer();
|
---|
938 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
939 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
940 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
941 |
|
---|
942 | queryStr.append("SELECT (COUNT(?ocs) AS ?numOfLinkedClassInstances) \n");
|
---|
943 | if (graphURIs != null) {
|
---|
944 | for (String graphURI : graphURIs) {
|
---|
945 | queryStr.append("FROM <");
|
---|
946 | queryStr.append(graphURI);
|
---|
947 | queryStr.append(">\n");
|
---|
948 | }
|
---|
949 | }
|
---|
950 |
|
---|
951 | queryStr.append("WHERE{\n");
|
---|
952 | if (classLink.getDirection() == Direction.forward) {
|
---|
953 | queryStr.append("?ocs rdf:type <");
|
---|
954 | queryStr.append(classLink.getLinkedClassURI());
|
---|
955 | queryStr.append(">.\n");
|
---|
956 | queryStr.append("}");
|
---|
957 | } else {
|
---|
958 | if (classLink.getDirection() == Direction.forward) {
|
---|
959 | queryStr.append("?ocs rdf:type <");
|
---|
960 | queryStr.append(startClassURI);
|
---|
961 | queryStr.append(">.\n");
|
---|
962 | queryStr.append("}");
|
---|
963 | } else {
|
---|
964 | queryStr.append("?ocs rdf:type <");
|
---|
965 | queryStr.append(startClassURI);
|
---|
966 | queryStr.append(">.\n");
|
---|
967 | queryStr.append("}");
|
---|
968 | }
|
---|
969 | }
|
---|
970 |
|
---|
971 | System.out.println(queryStr.toString());
|
---|
972 |
|
---|
973 | query = QueryFactory.create(queryStr.toString());
|
---|
974 | qexec = QueryExecutionFactory.sparqlService(endpointURI, query);
|
---|
975 |
|
---|
976 | results = qexec.execSelect();
|
---|
977 | if (results.hasNext()) {
|
---|
978 | QuerySolution sol = results.next();
|
---|
979 | Literal lit = null;
|
---|
980 | lit = sol.getLiteral("numOfLinkedClassInstances");
|
---|
981 | if (lit != null) {
|
---|
982 | int numOfLinkedClassInstances = lit.getInt();
|
---|
983 | classLink
|
---|
984 | .setNumOfLinkedClassInstances(numOfLinkedClassInstances);
|
---|
985 | }
|
---|
986 | }
|
---|
987 | qexec.close();
|
---|
988 |
|
---|
989 | }
|
---|
990 | return classLinks;
|
---|
991 | }
|
---|
992 |
|
---|
993 | public SClass[] countInstances(String[] graphURIs, SClass[] classes)
|
---|
994 | throws Exception {
|
---|
995 | if (classes == null || classes.length == 0) {
|
---|
996 | return new SClass[0];
|
---|
997 | }
|
---|
998 | HashMap<String, SClass> classMap = new HashMap<String, SClass>();
|
---|
999 | for (SClass sc : classes) {
|
---|
1000 | classMap.put(sc.getClassURI(), sc);
|
---|
1001 | }
|
---|
1002 | StringBuffer queryStr = new StringBuffer();
|
---|
1003 | queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
|
---|
1004 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
|
---|
1005 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
|
---|
1006 | queryStr.append("SELECT DISTINCT ?cls (COUNT(?is) AS ?numOfInstances)\n");
|
---|
1007 | if (graphURIs != null) {
|
---|
1008 | for (String graphURI : graphURIs) {
|
---|
1009 | queryStr.append("FROM <");
|
---|
1010 | queryStr.append(graphURI);
|
---|
1011 | queryStr.append(">\n");
|
---|
1012 | }
|
---|
1013 | }
|
---|
1014 | queryStr.append("WHERE{\n");
|
---|
1015 | queryStr.append(" ?is rdf:type ?cls.\n");
|
---|
1016 | queryStr.append(" FILTER(?cls IN (");
|
---|
1017 | boolean f = false;
|
---|
1018 | Set<String> clsSet = classMap.keySet();
|
---|
1019 | for (String clsURI : clsSet) {
|
---|
1020 | if (f) {
|
---|
1021 | queryStr.append(", ");
|
---|
1022 | }
|
---|
1023 | f = true;
|
---|
1024 | queryStr.append("<");
|
---|
1025 | queryStr.append(clsURI);
|
---|
1026 | queryStr.append(">");
|
---|
1027 | }
|
---|
1028 | queryStr.append("))\n");
|
---|
1029 | queryStr.append("} GROUP BY ?cls");
|
---|
1030 |
|
---|
1031 | System.out.println(queryStr.toString());
|
---|
1032 |
|
---|
1033 | Query query = QueryFactory.create(queryStr.toString());
|
---|
1034 | QueryExecution qexec = QueryExecutionFactory.sparqlService(endpointURI,
|
---|
1035 | query);
|
---|
1036 |
|
---|
1037 | ResultSet results = qexec.execSelect();
|
---|
1038 | for (; results.hasNext();) {
|
---|
1039 | QuerySolution sol = results.next();
|
---|
1040 | String uri = sol.getResource("cls").getURI();
|
---|
1041 | SClass sc = classMap.get(uri);
|
---|
1042 | Literal lit = sol.getLiteral("numOfInstances");
|
---|
1043 | if (lit != null) {
|
---|
1044 | int numOfInstances = lit.getInt();
|
---|
1045 | sc.setNumOfInstances(numOfInstances);
|
---|
1046 | }
|
---|
1047 | }
|
---|
1048 | qexec.close();
|
---|
1049 |
|
---|
1050 | return classes;
|
---|
1051 | }
|
---|
1052 |
|
---|
1053 | }
|
---|