[DL-Learner SVN] SF.net SVN: dl-learner: [270] trunk/src/dl-learner/org/dllearner

[<sk...@us...>]

Revision: 270
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=270&view=rev
Author:   sknappe
Date:     2007-10-29 05:26:51 -0700 (Mon, 29 Oct 2007)

Log Message:
-----------
added function to show subjects according to the last learned concept

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/kb/SparqlEndpoint.java
    trunk/src/dl-learner/org/dllearner/kb/SparqlOntologyCollector.java
    trunk/src/dl-learner/org/dllearner/kb/SparqlQueryMaker.java
    trunk/src/dl-learner/org/dllearner/server/DLLearnerWS.java

Modified: trunk/src/dl-learner/org/dllearner/kb/SparqlEndpoint.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/SparqlEndpoint.java	2007-10-29 12:26:01 UTC (rev 269)
+++ trunk/src/dl-learner/org/dllearner/kb/SparqlEndpoint.java	2007-10-29 12:26:51 UTC (rev 270)
@@ -213,4 +213,13 @@
 		System.out.println("SparqlModul: ****Finished");
 		return ret;
 	}
+	
+	public String[] getSubjectsFromConcept(String concept)
+	{
+		System.out.println("SparqlModul: Collecting Subjects");
+		SparqlOntologyCollector oc=new SparqlOntologyCollector(url);
+		String[] ret=oc.getSubjectsFromConcept(concept);
+		System.out.println("SparqlModul: ****Finished");
+		return ret;
+	}
 }

Modified: trunk/src/dl-learner/org/dllearner/kb/SparqlOntologyCollector.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/SparqlOntologyCollector.java	2007-10-29 12:26:01 UTC (rev 269)
+++ trunk/src/dl-learner/org/dllearner/kb/SparqlOntologyCollector.java	2007-10-29 12:26:51 UTC (rev 270)
@@ -154,6 +154,26 @@
 		return processSubjects(xml);
 	}
 	
+	public String[] getSubjectsFromConcept(String concept)
+	{
+		System.out.println("Searching for Subjects of type: "+concept);
+		String sparql=q.makeConceptQuery(concept);
+		String FromCache=c.get(concept, sparql);
+		String xml;
+		// if not in cache get it from dbpedia
+		if(FromCache==null){
+			xml=sendAndReceive(sparql);
+			c.put(concept, xml, sparql);
+			System.out.print("\n");
+		}
+		else{
+			xml=FromCache;
+			System.out.println("FROM CACHE");
+		}
+		
+		return processSubjects(xml);
+	}
+	
 	/**
 	 * calls getRecursive for each subject in list
 	 * @param subjects

Modified: trunk/src/dl-learner/org/dllearner/kb/SparqlQueryMaker.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/SparqlQueryMaker.java	2007-10-29 12:26:01 UTC (rev 269)
+++ trunk/src/dl-learner/org/dllearner/kb/SparqlQueryMaker.java	2007-10-29 12:26:51 UTC (rev 270)
@@ -84,4 +84,9 @@
 				"WHERE { ?subject rdfs:label ?object.FILTER regex(?object,\""+label+"\"@en)}\n"+
 				"LIMIT "+limit;
 	}
+	
+	public String makeConceptQuery(String concept){
+		return  "SELECT DISTINCT ?subject\n"+
+				"WHERE { ?subject a <"+concept+">}\n";
+	}
 }

Modified: trunk/src/dl-learner/org/dllearner/server/DLLearnerWS.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/server/DLLearnerWS.java	2007-10-29 12:26:01 UTC (rev 269)
+++ trunk/src/dl-learner/org/dllearner/server/DLLearnerWS.java	2007-10-29 12:26:51 UTC (rev 270)
@@ -464,4 +464,12 @@
 		Component component = state.getComponent(componentID);
 		return ((SparqlEndpoint)component).getSubjects(label,limit);
 	}
+	
+	@WebMethod
+	public String[] getSubjectsFromConcept(int id, int componentID, String concept) throws ClientNotKnownException
+	{
+		ClientState state=getState(id);
+		Component component = state.getComponent(componentID);
+		return ((SparqlEndpoint)component).getSubjectsFromConcept(concept);
+	}
 }


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