[DL-Learner SVN] SF.net SVN: dl-learner: [337] trunk/src/dl-learner/org/dllearner/algorithms /refinement/ROLearner.java

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

Revision: 337
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=337&view=rev
Author:   jenslehmann
Date:     2008-01-02 05:52:44 -0800 (Wed, 02 Jan 2008)

Log Message:
-----------
fixed non-working option improveSubsumptionHierarchy in refinement based learning algorithm

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/algorithms/refinement/ROLearner.java

Modified: trunk/src/dl-learner/org/dllearner/algorithms/refinement/ROLearner.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/algorithms/refinement/ROLearner.java	2008-01-02 12:59:17 UTC (rev 336)
+++ trunk/src/dl-learner/org/dllearner/algorithms/refinement/ROLearner.java	2008-01-02 13:52:44 UTC (rev 337)
@@ -59,6 +59,7 @@
 	private boolean useOverlyGeneralList = true;
 	private boolean useShortConceptConstruction = true;
 	private double horizontalExpansionFactor = 0.6;
+	private boolean improveSubsumptionHierarchy = true;
 	private boolean useAllConstructor = true;
 	private boolean useExistsConstructor = true;
 	private boolean useNegation = true;	
@@ -236,6 +237,8 @@
 			useShortConceptConstruction = (Boolean) entry.getValue();
 		} else if(name.equals("horzontalExpansionFactor")) {
 			horizontalExpansionFactor = (Double) entry.getValue();
+		} else if(name.equals("improveSubsumptionHierarchy")) {
+			improveSubsumptionHierarchy = (Boolean) entry.getValue();
 		} else if(name.equals("useAllConstructor")) {
 			useAllConstructor = (Boolean) entry.getValue();
 		} else if(name.equals("useExistsConstructor")) {
@@ -297,7 +300,8 @@
 		// prepare subsumption and role hierarchies, because they are needed
 		// during the run of the algorithm
 		rs.prepareSubsumptionHierarchy(usedConcepts);
-		rs.getSubsumptionHierarchy().improveSubsumptionHierarchy();
+		if(improveSubsumptionHierarchy)
+			rs.getSubsumptionHierarchy().improveSubsumptionHierarchy();
 		rs.prepareRoleHierarchy(usedRoles);
 	}
 	


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