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AcquiredStructureAnalyzer.java @ 88

リビジョン 88, 11.5 KB (コミッタ: nori, 10 年前)
クローラー結果から、StartClass?, EndClassにそれぞれ含まれるインスタンス数を取得できるようにした
属性 svn:mime-type の設定値 `text/plain`

行番号
1	package org.biohackathon.SPARQLBuilder.OWL;
2
3	import java.util.ArrayList;
4	import java.util.HashMap;
5
6	import jp.riken.accc.db.rdf.crawler.dataStructure.sparql.JenaModelGenerator;
7
8	import com.hp.hpl.jena.query.Query;
9	import com.hp.hpl.jena.query.QueryExecution;
10	import com.hp.hpl.jena.query.QueryExecutionFactory;
11	import com.hp.hpl.jena.query.QueryFactory;
12	import com.hp.hpl.jena.query.QuerySolution;
13	import com.hp.hpl.jena.query.ResultSet;
14	import com.hp.hpl.jena.rdf.model.Literal;
15	import com.hp.hpl.jena.rdf.model.Model;
16	import com.hp.hpl.jena.rdf.model.Resource;
17
18	//public class OWLQueryBuilderForCrawlerImpl implements OWLQueryBuilder {
19	public class AcquiredStructureAnalyzer implements RDFSchemaAnalyzer {
20
21	private Model model = null;
22	private String endpointURI = null;
23	private String[] graphURIs = null;
24
25	public String getEndpointURI(){
26	return endpointURI;
27	}
28
29	public String[] getGraphURIs(){
30	return graphURIs;
31	}
32
33
34	public static void main(String[] args) throws Exception{
35	JenaModelGenerator jmGene = new JenaModelGenerator("c:\\temp\\allie.ttl");
36	AcquiredStructureAnalyzer impl
37	= new AcquiredStructureAnalyzer(jmGene.getEndpointURI(), jmGene.getGraphURIs(), jmGene.getModel());
38	SClass[] scs = impl.getOWLClasses(null, null, null, true);
39	for(SClass sc: scs){
40	System.out.println(sc.toString());
41	}
42	ClassLink[] cls = impl.getNextClass(null,"http://purl.org/goodrelations/v1#Offering",100,true );
43	for(ClassLink cl: cls){
44	System.out.println(cl.toString());
45	}
46
47	}
48
49
50	public AcquiredStructureAnalyzer(String endpointURI, String[] graphURIs, Model model){
51	this.model = model;
52	this.endpointURI = endpointURI;
53	this.graphURIs = graphURIs;
54	}
55
56	private String[] filterGraphURIs(String[] orgGraphURIs){
57	// TODO
58	return graphURIs;
59	}
60
61
62	public SClass[] listClasses(String[] graphURIs, boolean countInstances) throws Exception{
63	return getOWLClasses(graphURIs, null, null, countInstances);
64	}
65
66
67	public SClass[] getOWLClasses(String[] graphURIs, String[] keywords, String language, boolean countInstances) throws Exception{
68	String[] targetGraphURIs = filterGraphURIs(graphURIs);
69
70	StringBuffer queryStr = new StringBuffer();
71	queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
72	queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
73	queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
74	queryStr.append("SELECT DISTINCT ?c ?pLabel ?numOfInstances\n");
75	if (targetGraphURIs != null) {
76	for (String graphURI : targetGraphURIs) {
77	queryStr.append("FROM <");
78	queryStr.append(graphURI);
79	queryStr.append(">\n");
80	}
81	}
82	queryStr.append("WHERE{\n");
83
84	//
85	queryStr.append(" ?c rdf:type rdfs:Class. \n");
86	queryStr.append(" ?c <http://sparqlbuilder.org/numberOfInstances> ?numOfInstances. \n");
87	queryStr.append(" OPTIONAL{ ?c rdfs:label ?pLabel. }\n");
88
89	if (keywords != null && keywords.length != 0) {
90
91	queryStr.append(" ?c rdfs:label ");
92	queryStr.append("?keywords").append(".\n");
93	queryStr.append(" filter((LANG(?keywords) = \'").append(language);
94	queryStr.append("\') && \n (");
95
96	// (LANG(?keywords) = 'en') &&
97
98	for (int i = 0; i < keywords.length; i++) {
99	if (i > 0)
100	queryStr.append(" \|\| \n ");
101
102	queryStr.append("regex(str(").append("?keywords")
103	.append("),\"");
104	queryStr.append(keywords[i]);
105	queryStr.append("\", \"i\" )");
106
107	}
108	queryStr.append("))\n");
109
110	}
111	queryStr.append("}");
112	System.out.println(queryStr.toString());
113
114	Query query = QueryFactory.create(queryStr.toString());
115
116	QueryExecution qexec = null;
117	ResultSet results = null;
118	try {
119	long start = System.currentTimeMillis();
120	qexec = QueryExecutionFactory.create(query, model);
121	results = qexec.execSelect();
122	long end = System.currentTimeMillis();
123	System.out.println("EXEC TIME: " + (end - start));
124	} catch (Exception ex) {
125	ex.printStackTrace();
126	throw ex;
127	}
128
129	HashMap<String, SClass> classMap = new HashMap<String, SClass>();
130	for (; results.hasNext();) {
131	QuerySolution sol = results.next();
132	Resource res = sol.getResource("c");
133	if (res != null) {
134	String uri = res.getURI();
135	int numOfInstances = 0;
136	if (countInstances) {
137	numOfInstances = sol.getLiteral("numOfInstances").getInt();
138	} //
139	Literal labelLiteral = sol.getLiteral("pLabel");
140	SClass sClass = null;
141	if (classMap.containsKey(uri)) {
142	sClass = classMap.get(uri);
143	} else {
144	sClass = new SClass(uri, null, numOfInstances);
145	classMap.put(uri, sClass);
146	}
147	if (labelLiteral != null) {
148	String label = labelLiteral.getString();
149	String lang = labelLiteral.getLanguage();
150	sClass.addLabel(new Label(label, lang));
151	}
152	}
153	}
154	qexec.close();
155	return classMap.values().toArray(new SClass[0]);
156
157	}
158
159	/*
160
161	public Instance[] getInstances(String[] graphURIs, String keyword) throws Exception;
162	*/
163
164
165	public ClassLink[] getNextClass(String[] graphURIs, String originClass, int limit, boolean countLinks) throws Exception{
166	String[] targetGraphURIs = filterGraphURIs(graphURIs);
167
168	StringBuffer queryStr = new StringBuffer();
169	queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
170	queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
171	queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
172
173	// SELECT
174	queryStr.append("SELECT DISTINCT ?c ?d ?p ?numInsStart ?numInsEnd ?numTriples \n");
175
176	if (targetGraphURIs != null) {
177	for (String graphURI : targetGraphURIs) {
178	queryStr.append("FROM <");
179	queryStr.append(graphURI);
180	queryStr.append(">\n");
181	}
182	}
183
184	queryStr.append("WHERE{\n");
185	queryStr.append(" ?cr rdf:type <http://sparqlbuilder.org/ClassRelation>. \n");
186	queryStr.append(" <" + originClass + "> <http://sparqlbuilder.org/numberOfInstances> ?numInsStart. \n");
187	queryStr.append(" {");
188	queryStr.append(" ?cr <http://sparqlbuilder.org/startClass> <" + originClass + ">. \n");
189	queryStr.append(" ?cr <http://sparqlbuilder.org/endClass> ?c. \n");
190	queryStr.append(" ?cr <http://sparqlbuilder.org/property> ?p. \n");
191	queryStr.append(" ?cr <http://sparqlbuilder.org/numberOfTriples> ?numTriples. \n");
192	queryStr.append(" ?c <http://sparqlbuilder.org/numberOfInstances> ?numInsEnd. \n");
193	queryStr.append("}\n");
194	queryStr.append(" UNION\n");
195	queryStr.append(" {");
196	queryStr.append(" ?cr <http://sparqlbuilder.org/endClass> <" + originClass + ">. \n");
197	queryStr.append(" ?cr <http://sparqlbuilder.org/startClass> ?d. \n");
198	queryStr.append(" ?cr <http://sparqlbuilder.org/property> ?p. \n");
199	queryStr.append(" ?cr <http://sparqlbuilder.org/numberOfTriples> ?numTriples.\n");
200	queryStr.append(" ?d <http://sparqlbuilder.org/numberOfInstances> ?numInsEnd. \n");
201	queryStr.append("}\n");
202	queryStr.append("}\n");
203
204
205	if (limit > 0) {
206	queryStr.append("limit ");
207	queryStr.append(limit);
208	queryStr.append("\n");
209	}
210
211	// System.out.println("getNextClasses SPARQL Query: ");
212	// System.out.println(queryStr.toString());
213
214	Query query = QueryFactory.create(queryStr.toString());
215	QueryExecution qexec = null;
216	ResultSet results = null;
217	try {
218	long start = System.currentTimeMillis();
219	qexec = QueryExecutionFactory.create(query, model);
220	results = qexec.execSelect();
221	long end = System.currentTimeMillis();
222	System.out.println("EXEC TIME: " + (end - start));
223	} catch (Exception ex) {
224	ex.printStackTrace();
225	throw ex;
226	}
227
228	ArrayList<ClassLink> solCLs = new ArrayList<ClassLink>();
229	for (; results.hasNext();) {
230	QuerySolution sol = results.next();
231	Resource pro = sol.getResource("p");
232	String clsURI = null;
233	if (pro != null) {
234	String proURI = pro.getURI();
235	Resource ccls = sol.getResource("c");
236	Resource dcls = sol.getResource("d");
237	Direction direction = null;
238	if(ccls != null && dcls == null ){
239	// direction forward
240	direction = Direction.forward;
241	clsURI = ccls.getURI();
242	}else{
243	if( ccls == null && dcls != null ){
244	direction = Direction.reverse;
245	clsURI = dcls.getURI();
246	}
247	}
248	int numTriples = 0;
249	Literal numTriplesLit = sol.getLiteral("numTriples");
250	if( numTriplesLit != null ){
251	numTriples = numTriplesLit.getInt();
252	}
253	int numInsStart = 0;
254	Literal numInsStartLit = sol.getLiteral("numInsStart");
255	if( numInsStartLit != null ){
256	numInsStart = numInsStartLit.getInt();
257	}
258	int numInsEnd = 0;
259	Literal numInsEndLit = sol.getLiteral("numInsEnd");
260	if( numInsEndLit != null ){
261	numInsEnd = numInsEndLit.getInt();
262	}
263	ClassLink cl = new ClassLink(proURI, clsURI, direction,
264	numTriples, 0, 0, numInsEnd, numInsStart);
265	solCLs.add(cl);
266	}
267	}
268	qexec.close();
269	return solCLs.toArray(new ClassLink[0]);
270	}
271
272
273
274	/*
275
276	public ClassLink[] getNextClassViaInstanceLink(String[] graphURIs, String originClass, int limit) throws Exception;
277
278	public Path[] getPaths(String startClass, String endClass, int mode, boolean countLinks) throws Exception;
279
280	public String createSPARQL(Path path) throws Exception;
281
282	InstanceLink[] getNextInstancesViaInstanceLink(String[] graphURIs, String originInstance,
283	int limit) throws Exception;
284	*/
285
286	public LabelMap[] getLabels(String[] graphURIs, String[] resourceURIs,
287	String language) throws Exception {
288	if (resourceURIs == null \|\| resourceURIs.length == 0) {
289	return new LabelMap[0];
290	}
291	StringBuffer queryStr = new StringBuffer();
292	queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
293	queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
294	queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
295	queryStr.append("SELECT DISTINCT ?res ?label \n");
296	if (graphURIs != null) {
297	for (String graphURI : graphURIs) {
298	queryStr.append("FROM <");
299	queryStr.append(graphURI);
300	queryStr.append(">\n");
301	}
302	}
303	queryStr.append("WHERE{\n");
304	queryStr.append(" ?res rdfs:label ?label.\n");
305	queryStr.append(" FILTER(?res IN (");
306	boolean f = false;
307	for (String resourceURI : resourceURIs) {
308	if (f) {
309	queryStr.append(", ");
310	}
311	f = true;
312	queryStr.append("<");
313	queryStr.append(resourceURI);
314	queryStr.append(">");
315	}
316	queryStr.append("))\n");
317	queryStr.append("}");
318
319	System.out.println(queryStr.toString());
320
321	Query query = QueryFactory.create(queryStr.toString());
322	QueryExecution qexec = QueryExecutionFactory.create(query, model);
323
324	ResultSet results = qexec.execSelect();
325	HashMap<String, LabelMap> lMap = new HashMap<String, LabelMap>();
326	for (; results.hasNext();) {
327	QuerySolution sol = results.next();
328	String uri = sol.getResource("res").getURI();
329	Literal literal = sol.getLiteral("label");
330	if (literal != null) {
331	String label = literal.getString();
332	String lang = literal.getLanguage();
333	if (language != null && language.equals(lang)) {
334	Label lbl = new Label(label, lang);
335	if (lMap.containsKey(uri)) {
336	LabelMap lm = lMap.get(uri);
337	lm.addLabel(lbl);
338	} else {
339	LabelMap lm = new LabelMap(uri, new Label[] { lbl });
340	lMap.put(uri, lm);
341	}
342	}
343	}
344	}
345	return lMap.values().toArray(new LabelMap[0]);
346	}
347	/*
348	public ClassLink[] countLinks(String[] graphURIs, String startClassURI,
349	ClassLink[] classLinks) throws Exception;
350
351	public SClass[] countInstances(String[] graphURIs, SClass[] classes) throws Exception;
352
353
354	*/
355	}

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