[DL-Learner SVN] SF.net SVN: dl-learner:[1813] trunk/src/dl-learner/org/dllearner

[<jen...@us...>]

Revision: 1813
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1813&view=rev
Author:   jenslehmann
Date:     2009-07-06 13:01:57 +0000 (Mon, 06 Jul 2009)

Log Message:
-----------
- EL learning algorithm changes
- SPARQL test modified

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/algorithms/el/ELLearningAlgorithmDisjunctive.java
    trunk/src/dl-learner/org/dllearner/refinementoperators/Utility.java
    trunk/src/dl-learner/org/dllearner/tools/ore/SPARQLTest.java

Modified: trunk/src/dl-learner/org/dllearner/algorithms/el/ELLearningAlgorithmDisjunctive.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/algorithms/el/ELLearningAlgorithmDisjunctive.java	2009-07-06 11:39:13 UTC (rev 1812)
+++ trunk/src/dl-learner/org/dllearner/algorithms/el/ELLearningAlgorithmDisjunctive.java	2009-07-06 13:01:57 UTC (rev 1813)
@@ -105,12 +105,12 @@
 	private TreeSet<ELDescriptionTree> trees;
 	
 	// tree search
-	private int treeSearchTimeSeconds = 10;
+	private double treeSearchTimeSeconds = 1.0;
 //	private double noise = 0;
 	private List<ELDescriptionTree> currentSolution = new LinkedList<ELDescriptionTree>();
 	private EvaluatedDescription bestEvaluatedDescription;
 	// how important not to cover negatives
-	private double posWeight = 1.5; // 2;
+	private double posWeight = 1.2; // 2;
 	private int startPosExamplesSize;
 //	private int startNegExamplesSize;
 	private SortedSet<Individual> currentPosExamples;

Modified: trunk/src/dl-learner/org/dllearner/refinementoperators/Utility.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/refinementoperators/Utility.java	2009-07-06 11:39:13 UTC (rev 1812)
+++ trunk/src/dl-learner/org/dllearner/refinementoperators/Utility.java	2009-07-06 13:01:57 UTC (rev 1813)
@@ -58,7 +58,8 @@
 	
 	// specifies whether to do real disjoint tests or check that
 	// two named classes do not have common instances
-	private boolean instanceBasedDisjoints = false;	
+	// TODO: turn this into a parameter
+	private boolean instanceBasedDisjoints = true;	
 	
 	// cache for reasoner queries
 	private Map<Description,Map<Description,Boolean>> cachedDisjoints = new TreeMap<Description,Map<Description,Boolean>>(conceptComparator);

Modified: trunk/src/dl-learner/org/dllearner/tools/ore/SPARQLTest.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/tools/ore/SPARQLTest.java	2009-07-06 11:39:13 UTC (rev 1812)
+++ trunk/src/dl-learner/org/dllearner/tools/ore/SPARQLTest.java	2009-07-06 13:01:57 UTC (rev 1813)
@@ -19,6 +19,8 @@
  */
 package org.dllearner.tools.ore;
 
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.SortedSet;
 import java.util.TreeSet;
 
@@ -31,55 +33,57 @@
 import org.dllearner.kb.sparql.SPARQLTasks;
 import org.dllearner.kb.sparql.SparqlEndpoint;
 import org.dllearner.kb.sparql.SparqlKnowledgeSource;
-import org.dllearner.learningproblems.PosOnlyLP;
+import org.dllearner.learningproblems.ClassLearningProblem;
 import org.dllearner.reasoning.OWLAPIReasoner;
 import org.dllearner.utilities.examples.AutomaticNegativeExampleFinderSPARQL;
 import org.dllearner.utilities.examples.AutomaticPositiveExampleFinderSPARQL;
 
 /**
  * Test class for SPARQL mode.
+ * 
  * @author Lorenz Buehmann
- *
+ * 
  */
-public class SPARQLTest{
-	
+public class SPARQLTest {
+
 	@SuppressWarnings("unused")
-	public static void main(String[] args){
-		String example = "Angela_Merkel";
+	public static void main(String[] args) throws MalformedURLException {
+		String exampleClass = "\"http://dbpedia.org/class/yago/LeadersOfPoliticalParties\"";
 		ComponentManager cm = ComponentManager.getInstance();
-	
+
 		SparqlEndpoint endPoint = SparqlEndpoint.getEndpointDBpedia();
-		
+
 		SPARQLTasks task = new SPARQLTasks(endPoint);
-	
+
 		AutomaticPositiveExampleFinderSPARQL pos = new AutomaticPositiveExampleFinderSPARQL(task);
-		pos.makePositiveExamplesFromConcept(example);
+		pos.makePositiveExamplesFromConcept(exampleClass);
 		SortedSet<String> posExamples = pos.getPosExamples();
-		
-		AutomaticNegativeExampleFinderSPARQL neg = new AutomaticNegativeExampleFinderSPARQL(posExamples, task, new TreeSet<String>());
+		System.out.println(posExamples);
+
+		AutomaticNegativeExampleFinderSPARQL neg = new AutomaticNegativeExampleFinderSPARQL(
+				posExamples, task, new TreeSet<String>());
 		SortedSet<String> negExamples = neg.getNegativeExamples(20);
 		System.out.println(negExamples);
-		
-		
-		
-		
+
+		SortedSet<String> instances = new TreeSet<String>(posExamples);
+		instances.addAll(negExamples);
+
 		try {
-			
-			
-			
-			
+
 			SparqlKnowledgeSource ks = cm.knowledgeSource(SparqlKnowledgeSource.class);
 			cm.applyConfigEntry(ks, "predefinedEndpoint", "DBPEDIA");
-			ks.getConfigurator().setInstances(posExamples);
+			ks.getConfigurator().setInstances(instances);
+			ks.getConfigurator().setPredefinedFilter("YAGO");
 			ks.init();
 			ReasonerComponent reasoner = cm.reasoner(OWLAPIReasoner.class, ks);
 			reasoner.init();
-			PosOnlyLP lp = cm.learningProblem(PosOnlyLP.class, reasoner);
-			lp.getConfigurator().setPositiveExamples(posExamples);
+			ClassLearningProblem lp = cm.learningProblem(ClassLearningProblem.class, reasoner);
+//			lp.getConfigurator().setPositiveExamples(posExamples);
+			lp.getConfigurator().setClassToDescribe(new URL(exampleClass));
 			lp.init();
 			LearningAlgorithm la = cm.learningAlgorithm(CELOE.class, lp, reasoner);
 			la.init();
-					
+
 			la.start();
 		} catch (ComponentInitException e) {
 			// TODO Auto-generated catch block


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.