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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