[DL-Learner SVN] SF.net SVN: dl-learner:[3405] trunk/interfaces/src/main/java/org/dllearner/ cli/Enrichment.java

[<lor...@us...>]

Revision: 3405
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=3405&view=rev
Author:   lorenz_b
Date:     2011-11-15 20:14:39 +0000 (Tue, 15 Nov 2011)
Log Message:
-----------
Added workaround for CELOE for the case that the  class is empty, e.g. also not found by the reasoner which will cause a ComponentInitException.

Modified Paths:
--------------
    trunk/interfaces/src/main/java/org/dllearner/cli/Enrichment.java

Modified: trunk/interfaces/src/main/java/org/dllearner/cli/Enrichment.java
===================================================================
--- trunk/interfaces/src/main/java/org/dllearner/cli/Enrichment.java	2011-11-15 14:36:34 UTC (rev 3404)
+++ trunk/interfaces/src/main/java/org/dllearner/cli/Enrichment.java	2011-11-15 20:14:39 UTC (rev 3405)
@@ -39,6 +39,7 @@
 import java.security.SecureRandom;
 import java.text.DecimalFormat;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
@@ -283,7 +284,11 @@
 			Set<NamedClass> classes = st.getAllClasses();
 			int entities = 0;
 			for(NamedClass nc : classes) {
-				runClassLearningAlgorithms(ks, nc);		
+				try {
+					runClassLearningAlgorithms(ks, nc);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}		
 				entities++;
 				if(maxEntitiesPerType != -1 && entities > maxEntitiesPerType) {
 					break;
@@ -355,6 +360,10 @@
 		// get instances of class as positive examples
 		SPARQLReasoner sr = new SPARQLReasoner(ks);
 		SortedSet<Individual> posExamples = sr.getIndividuals(nc, 20);
+		if(posExamples.isEmpty()){
+			System.out.println("Skipping CELOE because class " + nc.toString() + " is empty.");
+			return Collections.emptyList();
+		}
 		SortedSet<String> posExStr = Helper.getStringSet(posExamples);
 		
 		// use own implementation of negative example finder

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