[DL-Learner SVN] SF.net SVN: dl-learner:[4115] trunk/components-core/src/main/java/org/ dllearner/reasoning/SPARQLReasoner.java

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

Revision: 4115
          http://sourceforge.net/p/dl-learner/code/4115
Author:   lorenz_b
Date:     2013-10-03 09:14:35 +0000 (Thu, 03 Oct 2013)
Log Message:
-----------
Added method which returns a set of domains and ranges instead of the intersection.

Modified Paths:
--------------
    trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java

Modified: trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java	2013-10-03 08:53:06 UTC (rev 4114)
+++ trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java	2013-10-03 09:14:35 UTC (rev 4115)
@@ -570,7 +570,7 @@
 		return schema;
 	}
 
-	private Model loadIncrementally(String query){System.err.println(query);
+	private Model loadIncrementally(String query){
 		QueryExecutionFactory old = qef;
 		qef = new QueryExecutionFactoryPaginated(qef, 10000);
 		QueryExecution qe = qef.createQueryExecution(query);
@@ -1200,7 +1200,24 @@
 		} 
 		return null;
 	}
+	
+	public SortedSet<NamedClass> getDomains(ObjectProperty objectProperty) {
+		String query = String.format("SELECT ?domain WHERE {" +
+				"<%s> <%s> ?domain. FILTER(isIRI(?domain))" +
+				"}", 
+				objectProperty.getName(), RDFS.domain.getURI());
 
+		ResultSet rs = executeSelectQuery(query);
+		QuerySolution qs;
+		SortedSet<NamedClass> domains = new TreeSet<NamedClass>();
+		while(rs.hasNext()){
+			qs = rs.next();
+			domains.add(new NamedClass(qs.getResource("domain").getURI()));
+
+		}
+		return domains;
+	}
+
 	@Override
 	public Description getDomain(DatatypeProperty datatypeProperty) {
 		String query = String.format("SELECT ?domain WHERE {" +
@@ -1237,7 +1254,6 @@
 		while(rs.hasNext()){
 			qs = rs.next();
 			ranges.add(new NamedClass(qs.getResource("range").getURI()));
-
 		}
 		if(ranges.size() == 1){
 			return ranges.get(0);
@@ -1246,7 +1262,23 @@
 		} 
 		return null;
 	}
+	
+	public SortedSet<NamedClass> getRanges(ObjectProperty objectProperty) {
+		String query = String.format("SELECT ?range WHERE {" +
+				"<%s> <%s> ?range. FILTER(isIRI(?range))" +
+				"}", 
+				objectProperty.getName(), RDFS.range.getURI());
 
+		ResultSet rs = executeSelectQuery(query);
+		QuerySolution qs;
+		SortedSet<NamedClass> ranges = new TreeSet<NamedClass>();
+		while(rs.hasNext()){
+			qs = rs.next();
+			ranges.add(new NamedClass(qs.getResource("range").getURI()));
+		}
+		return ranges;
+	}
+
 	public boolean isObjectProperty(String propertyURI){
 		String query = String.format("ASK {<%s> a <%s>}", propertyURI, OWL.ObjectProperty.getURI());
 		boolean isObjectProperty = executeAskQuery(query);

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