[DL-Learner SVN] SF.net SVN: dl-learner: [617] trunk/src/php-examples/LearningThreaded.php

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

Revision: 617
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=617&view=rev
Author:   jenslehmann
Date:     2008-02-20 04:58:55 -0800 (Wed, 20 Feb 2008)

Log Message:
-----------
added PHP example of how to use the web service for threaded learning

Added Paths:
-----------
    trunk/src/php-examples/LearningThreaded.php

Added: trunk/src/php-examples/LearningThreaded.php
===================================================================
--- trunk/src/php-examples/LearningThreaded.php	                        (rev 0)
+++ trunk/src/php-examples/LearningThreaded.php	2008-02-20 12:58:55 UTC (rev 617)
@@ -0,0 +1,104 @@
+<?php
+/**
+ * Copyright (C) 2007-2008, 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/>.
+ *
+ */
+ 
+ /**
+  * Small example showing how to use DL-Learner for learning 
+  * a class definition using a separate learning thread. 
+  * 
+  * @author Jens Lehmann
+  */
+  
+include('Utilities.php');
+
+// load WSDL files (has to be done due to a Java web service bug)
+ini_set("soap.wsdl_cache_enabled","0");
+$wsdluri="http://localhost:8181/services?wsdl";
+Utilities::loadWSDLfiles($wsdluri);
+
+// specifiy ontology
+$ontology = 'file:'.realpath("../../examples/family/uncle.owl");
+
+// create DL-Learner client
+$client = new SoapClient("main.wsdl");
+
+// load owl file in DIG reasoner (you need a running DIG reasoner)
+$id = $client->generateID();
+$ksID = $client->addKnowledgeSource($id, "owlfile", $ontology);
+$rID = $client->setReasoner($id, "dig");
+
+// create a learning problem
+$posExamples = array(
+	'http://localhost/foo#heinrich',
+	'http://localhost/foo#alfred',
+	'http://localhost/foo#heinz',
+	'http://localhost/foo#hans',
+	'http://localhost/foo#alex');
+$negExamples = array(
+	'http://localhost/foo#jan',
+	'http://localhost/foo#markus',
+	'http://localhost/foo#susi',
+	'http://localhost/foo#anna',
+	'http://localhost/foo#maria',
+	'http://localhost/foo#katrin',
+	'http://localhost/foo#johanna',
+	'http://localhost/foo#mandy',
+	'http://localhost/foo#miriam',
+	'http://localhost/foo#hanna');
+$client->setLearningProblem($id, "posNegDefinition");
+$client->setPositiveExamples($id, $posExamples);
+$client->setNegativeExamples($id, $negExamples);
+
+// choose refinement operator approach
+$client->setLearningAlgorithm($id, "refinement");
+
+$client->initAll($id);
+
+// start learning process in DL-Learner
+$client->learnThreaded($id);
+	
+$sleeptime = 2;
+$seconds = 0;
+	
+do {
+	// sleep a while
+	sleep($sleeptime);
+		
+	// see what we have learned so far
+	$concept=$client->getCurrentlyBestConcept($id);
+	$running=$client->isAlgorithmRunning($id);
+		
+	$seconds += $sleeptime;
+	if($seconds == 10)
+		$sleeptime = 5;
+		
+	echo 'result after '.$seconds.' seconds: '.$concept.'<br />';
+	flush();	
+	
+} while($running);
+	
+// print best concepts found (not all of are
+// necessarily perfect solutions)
+echo '<br />Algorithm finished. Best concepts: ';
+echo '<pre>';
+print_r($client->getCurrentlyBestConcepts($id, 10));
+echo '</pre>';
+
+?>
\ No newline at end of file


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