[DL-Learner SVN] SF.net SVN: dl-learner:[3492] trunk/interfaces/src/main/java/org/dllearner/ cli/GlobalEnrichment.java

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

Revision: 3492
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=3492&view=rev
Author:   jenslehmann
Date:     2011-12-08 16:59:38 +0000 (Thu, 08 Dec 2011)
Log Message:
-----------
script to get SPARQL endpoints in LOD cloud using LATC MDS

Added Paths:
-----------
    trunk/interfaces/src/main/java/org/dllearner/cli/GlobalEnrichment.java

Added: trunk/interfaces/src/main/java/org/dllearner/cli/GlobalEnrichment.java
===================================================================
--- trunk/interfaces/src/main/java/org/dllearner/cli/GlobalEnrichment.java	                        (rev 0)
+++ trunk/interfaces/src/main/java/org/dllearner/cli/GlobalEnrichment.java	2011-12-08 16:59:38 UTC (rev 3492)
@@ -0,0 +1,73 @@
+/**
+ * Copyright (C) 2007-2011, 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.cli;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.LinkedList;
+import java.util.List;
+
+import org.dllearner.kb.sparql.SparqlEndpoint;
+import org.dllearner.kb.sparql.SparqlQuery;
+
+import com.hp.hpl.jena.query.QuerySolution;
+import com.hp.hpl.jena.query.ResultSet;
+
+/**
+ * Enriches all of the LOD cloud.
+ * 
+ * @author Jens Lehmann
+ * 
+ */
+public class GlobalEnrichment {
+
+	/**
+	 * @param args
+	 * @throws MalformedURLException 
+	 */
+	public static void main(String[] args) throws MalformedURLException {
+		// get all SPARQL endpoints and their graphs
+		List<SparqlEndpoint> endpoints = new LinkedList<SparqlEndpoint>();
+		
+		String query = "";
+		query += "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> ";
+		query += "PREFIX void: <http://rdfs.org/ns/void#> ";
+		query += "PREFIX dcterms: <http://purl.org/dc/terms/> ";
+		query += "SELECT ?endpoint ";
+		query += "WHERE { ";
+		query += "?item rdf:type void:Dataset . ";
+		query += "?item dcterms:isPartOf <http://ckan.net/group/lodcloud> . ";
+		query += "?item void:sparqlEndpoint ?endpoint . ";
+		query += "}"; 
+//		query += "LIMIT 20";
+		
+		// LATC DSI/MDS
+		SparqlEndpoint dsi = new SparqlEndpoint(new URL("http://api.talis.com/stores/latc-mds/services/sparql"));
+		SparqlQuery sq = new SparqlQuery(query, dsi);
+		ResultSet rs = sq.send();
+		while(rs.hasNext()) {
+			QuerySolution qs = rs.next();
+			String endpoint = qs.get("endpoint").toString();
+//			String graph = qs.getLiteral("graph").getString();
+			System.out.println(endpoint);
+		}
+	}
+
+}

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