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AcquiredStructureAnalyzer.java @ 81

リビジョン 80, 11.1 KB (コミッタ: nori, 10 年前)
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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> ?numInsEnd. \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	ClassLink cl = new ClassLink(proURI, clsURI, direction,
254	numTriples, 0, 0, 0, 0);
255	solCLs.add(cl);
256	}
257	}
258	qexec.close();
259	return solCLs.toArray(new ClassLink[0]);
260	}
261
262
263
264	/*
265
266	public ClassLink[] getNextClassViaInstanceLink(String[] graphURIs, String originClass, int limit) throws Exception;
267
268	public Path[] getPaths(String startClass, String endClass, int mode, boolean countLinks) throws Exception;
269
270	public String createSPARQL(Path path) throws Exception;
271
272	InstanceLink[] getNextInstancesViaInstanceLink(String[] graphURIs, String originInstance,
273	int limit) throws Exception;
274	*/
275
276	public LabelMap[] getLabels(String[] graphURIs, String[] resourceURIs,
277	String language) throws Exception {
278	if (resourceURIs == null \|\| resourceURIs.length == 0) {
279	return new LabelMap[0];
280	}
281	StringBuffer queryStr = new StringBuffer();
282	queryStr.append("PREFIX owl: <http://www.w3.org/2002/07/owl#>\n");
283	queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n");
284	queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n");
285	queryStr.append("SELECT DISTINCT ?res ?label \n");
286	if (graphURIs != null) {
287	for (String graphURI : graphURIs) {
288	queryStr.append("FROM <");
289	queryStr.append(graphURI);
290	queryStr.append(">\n");
291	}
292	}
293	queryStr.append("WHERE{\n");
294	queryStr.append(" ?res rdfs:label ?label.\n");
295	queryStr.append(" FILTER(?res IN (");
296	boolean f = false;
297	for (String resourceURI : resourceURIs) {
298	if (f) {
299	queryStr.append(", ");
300	}
301	f = true;
302	queryStr.append("<");
303	queryStr.append(resourceURI);
304	queryStr.append(">");
305	}
306	queryStr.append("))\n");
307	queryStr.append("}");
308
309	System.out.println(queryStr.toString());
310
311	Query query = QueryFactory.create(queryStr.toString());
312	QueryExecution qexec = QueryExecutionFactory.create(query, model);
313
314	ResultSet results = qexec.execSelect();
315	HashMap<String, LabelMap> lMap = new HashMap<String, LabelMap>();
316	for (; results.hasNext();) {
317	QuerySolution sol = results.next();
318	String uri = sol.getResource("res").getURI();
319	Literal literal = sol.getLiteral("label");
320	if (literal != null) {
321	String label = literal.getString();
322	String lang = literal.getLanguage();
323	if (language != null && language.equals(lang)) {
324	Label lbl = new Label(label, lang);
325	if (lMap.containsKey(uri)) {
326	LabelMap lm = lMap.get(uri);
327	lm.addLabel(lbl);
328	} else {
329	LabelMap lm = new LabelMap(uri, new Label[] { lbl });
330	lMap.put(uri, lm);
331	}
332	}
333	}
334	}
335	return lMap.values().toArray(new LabelMap[0]);
336	}
337	/*
338	public ClassLink[] countLinks(String[] graphURIs, String startClassURI,
339	ClassLink[] classLinks) throws Exception;
340
341	public SClass[] countInstances(String[] graphURIs, SClass[] classes) throws Exception;
342
343
344	*/
345	}

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