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[DL-Learner SVN] SF.net SVN: dl-learner: [886] trunk/src/dl-learner/org/dllearner
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From: <ku...@us...> - 2008-05-16 19:44:41
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Revision: 886
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=886&view=rev
Author: kurzum
Date: 2008-05-16 12:44:28 -0700 (Fri, 16 May 2008)
Log Message:
-----------
rdfs inferencing so far in SKOS7030
Modified Paths:
--------------
trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQuery.java
trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryDescriptionConvertVisitor.java
trunk/src/dl-learner/org/dllearner/scripts/SKOS7030.java
Modified: trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQuery.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQuery.java 2008-05-16 16:40:20 UTC (rev 885)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQuery.java 2008-05-16 19:44:28 UTC (rev 886)
@@ -175,7 +175,7 @@
public static ResultSet JSONtoResultSet(String json) {
ByteArrayInputStream bais = new ByteArrayInputStream(json
.getBytes(Charset.forName("UTF-8")));
- System.out.println("JSON " + json);
+ //System.out.println("JSON " + json);
return ResultSetFactory.fromJSON(bais);
}
Modified: trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryDescriptionConvertVisitor.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryDescriptionConvertVisitor.java 2008-05-16 16:40:20 UTC (rev 885)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryDescriptionConvertVisitor.java 2008-05-16 19:44:28 UTC (rev 886)
@@ -81,9 +81,9 @@
}
public static String getSparqlSubclassQuery(String description)
- { String ret = "SELECT ?subject \n";
+ { String ret = "SELECT * \n";
ret+= "WHERE {\n";
- ret+=" ?subject <http://www.w3.org/2000/01/rdf-schema#subClassOf> <"+description+"> \n";
+ ret+=" ?subject ?predicate <"+description+"> \n";
ret+="}\n";
return ret;
Modified: trunk/src/dl-learner/org/dllearner/scripts/SKOS7030.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/scripts/SKOS7030.java 2008-05-16 16:40:20 UTC (rev 885)
+++ trunk/src/dl-learner/org/dllearner/scripts/SKOS7030.java 2008-05-16 19:44:28 UTC (rev 886)
@@ -1,5 +1,6 @@
package org.dllearner.scripts;
+import java.util.List;
import java.util.SortedSet;
import java.util.TreeSet;
@@ -11,6 +12,7 @@
import org.dllearner.core.KnowledgeSource;
import org.dllearner.kb.sparql.Cache;
import org.dllearner.kb.sparql.SparqlQuery;
+import org.dllearner.kb.sparql.SparqlQueryDescriptionConvertVisitor;
import org.dllearner.kb.sparql.configuration.SparqlEndpoint;
import org.dllearner.utilities.AutomaticExampleFinderSKOSSPARQL;
import org.dllearner.utilities.JenaResultSetConvenience;
@@ -19,6 +21,8 @@
import org.dllearner.utilities.SimpleClock;
import com.hp.hpl.jena.query.ResultSet;
+import com.hp.hpl.jena.query.ResultSetFormatter;
+import com.hp.hpl.jena.sparql.core.ResultBinding;
public class SKOS7030 {
@@ -76,7 +80,12 @@
standardSettings=standardSettingsRefexamples+standardDBpedia;
//standardSettings=standardSettingsRefinement+standardDBpedia;
- DBpediaSKOS();
+ se = SparqlEndpoint.EndpointLOCALDBpedia();
+ String t="\"http://dbpedia.org/class/yago/Fiction106367107\"";
+ t="\"http://www.w3.org/2004/02/skos/core#subject\"";
+ getSubClasses(t);
+
+ //DBpediaSKOS();
//algorithm="refinement";
//roles();
@@ -95,9 +104,9 @@
static void DBpediaSKOS(){
se = SparqlEndpoint.EndpointLOCALDBpedia();
- se = SparqlEndpoint.EndpointDBpedia();
+ //se = SparqlEndpoint.EndpointDBpedia();
String url = "http://dbpedia.openlinksw.com:8890/sparql";
- //url = "http://139.18.2.37:8890/sparql";
+ url = "http://139.18.2.37:8890/sparql";
SortedSet<String> concepts = new TreeSet<String>();
@@ -228,5 +237,78 @@
}
+ /**
+ * NOT WORKING
+ * @param description
+ */
+ public static SortedSet<String> getSubClasses(String description) {
+ ResultSet rs = null;
+ //System.out.println(description);
+ SortedSet<String> alreadyQueried = new TreeSet<String>();
+ try {
+ String query = getSparqlSubclassQuery(description.replaceAll("\"", ""));
+ String JSON = (c.executeSparqlQuery(new SparqlQuery(query, se)));
+ rs =SparqlQuery.JSONtoResultSet(JSON);
+ SortedSet<String> remainingClasses = new TreeSet<String>();
+
+ remainingClasses.addAll(getSubclassesFromResultSet(rs));
+
+ alreadyQueried = new TreeSet<String>();
+ alreadyQueried.add(description.replaceAll("\"", ""));
+
+
+ //SortedSet<String> remainingClasses = new JenaResultSetConvenience(rs).getStringListForVariable("subject");
+
+ while (remainingClasses.size()!=0){
+ SortedSet<String> tmpSet = new TreeSet<String>();
+ String tmp = remainingClasses.first();
+ remainingClasses.remove(tmp);
+ query = SparqlQueryDescriptionConvertVisitor
+ .getSparqlSubclassQuery(tmp);
+ alreadyQueried.add(tmp);
+ JSON = (c.executeSparqlQuery(new SparqlQuery(query, se)));
+ rs =SparqlQuery.JSONtoResultSet(JSON);
+ tmpSet=getSubclassesFromResultSet(rs);
+ for (String string : tmpSet) {
+ if(!alreadyQueried.contains(string))
+ remainingClasses.add(string);
+ }
+ }
+ //System.out.println(JSON);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ //System.out.println(alreadyQueried);
+ return alreadyQueried;
+ }
+
+ public static SortedSet<String> getSubclassesFromResultSet(ResultSet rs)
+ {
+ SortedSet<String> result = new TreeSet<String>();
+ List<ResultBinding> l = ResultSetFormatter.toList(rs);
+ String p="",s="";
+ for (ResultBinding resultBinding : l) {
+
+ s=((resultBinding.get("subject").toString()));
+ p=((resultBinding.get("predicate").toString()));
+ if(p.equalsIgnoreCase("http://www.w3.org/2000/01/rdf-schema#subClassOf")){
+ result.add(s);
+ }
+ }
+ return result;
+ }
+
+ public static String getSparqlSubclassQuery(String description)
+ { String ret = "SELECT * \n";
+ ret+= "WHERE {\n";
+ ret+=" ?subject ?predicate <"+description+"> \n";
+ ret+="}\n";
+
+ return ret;
+ }
+
+
+
}
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