[DL-Learner SVN] SF.net SVN: dl-learner:[4039] trunk/components-core/src/main/java/org/ dllearner/algorithms/isle

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

Revision: 4039
          http://sourceforge.net/p/dl-learner/code/4039
Author:   jenslehmann
Date:     2013-09-03 16:09:27 +0000 (Tue, 03 Sep 2013)
Log Message:
-----------
implemented random WSD as baseline method

Modified Paths:
--------------
    trunk/components-core/src/main/java/org/dllearner/algorithms/isle/index/SemanticAnnotation.java

Added Paths:
-----------
    trunk/components-core/src/main/java/org/dllearner/algorithms/isle/RandomWordSenseDisambiguation.java

Added: trunk/components-core/src/main/java/org/dllearner/algorithms/isle/RandomWordSenseDisambiguation.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/isle/RandomWordSenseDisambiguation.java	                        (rev 0)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/isle/RandomWordSenseDisambiguation.java	2013-09-03 16:09:27 UTC (rev 4039)
@@ -0,0 +1,59 @@
+/**
+ * Copyright (C) 2007-2013, Jens Lehmann
+ *
+ * This file is part of DL-Learner.
+ *
+ * DL-Learner is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * DL-Learner is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.dllearner.algorithms.isle;
+
+import java.util.Random;
+import java.util.Set;
+
+import org.dllearner.algorithms.isle.index.Annotation;
+import org.dllearner.algorithms.isle.index.SemanticAnnotation;
+import org.dllearner.core.owl.Entity;
+import org.semanticweb.owlapi.model.OWLOntology;
+
+/**
+ * Disambiguation by randomly selecting one of the candidates (baseline method).
+ * 
+ * @author Jens Lehmann
+ *
+ */
+public class RandomWordSenseDisambiguation extends WordSenseDisambiguation {
+
+	private Random random;
+	
+	public RandomWordSenseDisambiguation(OWLOntology ontology) {
+		super(ontology);
+		random = new Random();
+	}
+
+	@Override
+	public SemanticAnnotation disambiguate(Annotation annotation,
+			Set<Entity> candidateEntities) {
+		int pos = random.nextInt(candidateEntities.size());
+		int i = 0;
+		for(Entity e : candidateEntities)
+		{
+		    if (i == pos) {
+		    	return new SemanticAnnotation(annotation, e);
+		    }
+		    i++;
+		}
+		return null;
+	}
+
+}

Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/isle/index/SemanticAnnotation.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/isle/index/SemanticAnnotation.java	2013-09-03 15:55:04 UTC (rev 4038)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/isle/index/SemanticAnnotation.java	2013-09-03 16:09:27 UTC (rev 4039)
@@ -13,6 +13,11 @@
 	
 	private Entity entity;
 	
+	public SemanticAnnotation(Annotation annotation, Entity entity) {
+		super(annotation.getGetReferencedDocument(), annotation.getOffset(), annotation.getLength());
+		this.entity = entity;
+	}
+	
 	public SemanticAnnotation(Document getReferencedDocument, Entity entity, int offset, int length) {
 		super(getReferencedDocument, offset, length);
 		this.entity = entity;

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