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[DL-Learner SVN] SF.net SVN: dl-learner:[4016] trunk/components-core/src
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From: <lor...@us...> - 2013-07-11 12:23:39
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Revision: 4016
http://sourceforge.net/p/dl-learner/code/4016
Author: lorenz_b
Date: 2013-07-11 12:23:36 +0000 (Thu, 11 Jul 2013)
Log Message:
-----------
Some work on ISLE.
Modified Paths:
--------------
trunk/components-core/src/main/java/org/dllearner/algorithms/isle/NLPHeuristic.java
trunk/components-core/src/main/java/org/dllearner/kb/sparql/QueryEngineHTTP.java
trunk/components-core/src/main/java/org/dllearner/utilities/owl/OWLAPIConverter.java
trunk/components-core/src/test/java/org/dllearner/algorithms/isle/ISLETest.java
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/isle/NLPHeuristic.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/isle/NLPHeuristic.java 2013-07-08 13:51:31 UTC (rev 4015)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/isle/NLPHeuristic.java 2013-07-11 12:23:36 UTC (rev 4016)
@@ -20,14 +20,20 @@
package org.dllearner.algorithms.isle;
import java.util.Comparator;
+import java.util.HashSet;
import java.util.Map;
+import java.util.Set;
import org.dllearner.algorithms.celoe.OENode;
import org.dllearner.core.Component;
import org.dllearner.core.ComponentInitException;
import org.dllearner.core.config.ConfigOption;
+import org.dllearner.core.owl.Description;
import org.dllearner.core.owl.Entity;
import org.dllearner.utilities.owl.ConceptComparator;
+import org.dllearner.utilities.owl.OWLAPIConverter;
+import org.semanticweb.owlapi.model.OWLClassExpression;
+import org.semanticweb.owlapi.model.OWLEntity;
/**
*
@@ -51,6 +57,8 @@
@ConfigOption(name = "startNodeBonus", defaultValue="0.1")
private double startNodeBonus = 0.1;
+ private double nlpBonusFactor = 0.0001;
+
private Map<Entity, Double> entityRelevance;
public NLPHeuristic() {}
@@ -97,6 +105,21 @@
score -= node.getHorizontalExpansion() * expansionPenaltyFactor;
// penalty for having many child nodes (stuck prevention)
score -= node.getRefinementCount() * nodeRefinementPenalty;
+
+
+ //the NLP based scoring
+ Description expression = node.getExpression();
+ OWLClassExpression owlapiDescription = OWLAPIConverter.getOWLAPIDescription(expression);
+ Set<Entity> entities = OWLAPIConverter.getEntities(owlapiDescription.getSignature());
+ double sum = 0;
+ for (Entity entity : entities) {
+ double relevance = entityRelevance.containsKey(entity) ? entityRelevance.get(entity) : 0;
+ if(!Double.isInfinite(relevance)){
+ sum += relevance;
+ }
+ }
+ score += nlpBonusFactor * sum;
+
return score;
}
Modified: trunk/components-core/src/main/java/org/dllearner/kb/sparql/QueryEngineHTTP.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/kb/sparql/QueryEngineHTTP.java 2013-07-08 13:51:31 UTC (rev 4015)
+++ trunk/components-core/src/main/java/org/dllearner/kb/sparql/QueryEngineHTTP.java 2013-07-11 12:23:36 UTC (rev 4016)
@@ -268,7 +268,7 @@
private Model execModel(Model model)
{
HttpQuery httpQuery = makeHttpQuery() ;
- httpQuery.setAccept(WebContent.contentTypeTurtleAlt1) ;
+ httpQuery.setAccept(WebContent.contentTypeNTriplesAlt) ;
InputStream in = httpQuery.exec() ;
//Don't assume the endpoint actually gives back the content type we asked for
@@ -284,7 +284,7 @@
//Try to select language appropriately here based on the model content type
Lang lang = WebContent.contentTypeToLang(actualContentType);
if (! RDFLanguages.isTriples(lang)) throw new QueryException("Endpoint returned Content Type: " + actualContentType + " which is not a valid RDF Graph syntax");
- model.read(in, null, "TURTLE") ;
+ model.read(in, null, Lang.NTRIPLES.getName()) ;
return model ;
}
Modified: trunk/components-core/src/main/java/org/dllearner/utilities/owl/OWLAPIConverter.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/utilities/owl/OWLAPIConverter.java 2013-07-08 13:51:31 UTC (rev 4015)
+++ trunk/components-core/src/main/java/org/dllearner/utilities/owl/OWLAPIConverter.java 2013-07-11 12:23:36 UTC (rev 4016)
@@ -19,6 +19,7 @@
package org.dllearner.utilities.owl;
+import java.util.HashSet;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
@@ -152,6 +153,22 @@
throw new Error("OWL API entity conversion for " + entity + " not supported.");
}
+ public static Set<Entity> getEntities(Set<OWLEntity> owlEntities) {
+ Set<Entity> entities = new HashSet<Entity>();
+ for (OWLEntity entity : owlEntities) {
+ if(entity instanceof OWLObjectProperty) {
+ entities.add(convertObjectProperty((OWLObjectProperty) entity));
+ } else if(entity instanceof OWLDataProperty) {
+ entities.add(convertDatatypeProperty((OWLDataProperty) entity));
+ } else if(entity instanceof OWLClass) {
+ entities.add(new NamedClass(entity.toStringID()));
+ } else if(entity instanceof OWLNamedIndividual) {
+ entities.add(convertIndividual((OWLNamedIndividual) entity));
+ }
+ }
+ return entities;
+ }
+
public static Description convertClass(OWLClass owlClass) {
if(owlClass.isOWLThing()) {
return Thing.instance;
Modified: trunk/components-core/src/test/java/org/dllearner/algorithms/isle/ISLETest.java
===================================================================
--- trunk/components-core/src/test/java/org/dllearner/algorithms/isle/ISLETest.java 2013-07-08 13:51:31 UTC (rev 4015)
+++ trunk/components-core/src/test/java/org/dllearner/algorithms/isle/ISLETest.java 2013-07-11 12:23:36 UTC (rev 4016)
@@ -69,7 +69,7 @@
}
@Test
- public void testISLE() throws ComponentInitException {
+ public void testISLE() throws Exception {
KnowledgeSource ks = new OWLAPIOntology(ontology);
AbstractReasonerComponent reasoner = new FastInstanceChecker(ks);
reasoner.init();
@@ -78,7 +78,11 @@
lp.setClassToDescribe(cls);
lp.init();
+ Map<Entity, Double> entityRelevance = relevance.getEntityRelevance(cls);
+ NLPHeuristic heuristic = new NLPHeuristic(entityRelevance);
+
ISLE isle = new ISLE(lp, reasoner);
+ isle.setHeuristic(heuristic);
isle.init();
isle.start();
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