dl-learner-svn Mailing List for DL-Learner (Page 119)

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Revision: 1333
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1333&view=rev
Author:   sknappe
Date:     2008-10-01 08:49:57 +0000 (Wed, 01 Oct 2008)

Log Message:
-----------
algorithm with ordering concepts is working now

Modified Paths:
--------------
    trunk/src/dbpedia-navigator/DLLearnerConnection.php
    trunk/src/dbpedia-navigator/ajax_learn_concepts.php

Modified: trunk/src/dbpedia-navigator/DLLearnerConnection.php
===================================================================

--- trunk/src/dbpedia-navigator/DLLearnerConnection.php	2008-10-01 07:48:46 UTC (rev 1332)
+++ trunk/src/dbpedia-navigator/DLLearnerConnection.php	2008-10-01 08:49:57 UTC (rev 1333)
@@ -44,7 +44,7 @@
 		return array(0 => $id, 1 => $ksID);
 	}
 	
-	function getConceptFromExamples($posExamples,$negExamples)
+	function getConceptFromExamples($posExamples,$negExamples,$number)
 	{
 		require_once("Settings.php");
 		$settings=new Settings();
@@ -53,7 +53,7 @@
 		$this->client->applyConfigEntryString($this->id, $this->ksID, "predefinedFilter", "DBPEDIA-NAVIGATOR");
 		$this->client->applyConfigEntryString($this->id, $this->ksID, "predefinedEndpoint", $this->endpoint);
 		$this->client->applyConfigEntryString($this->id, $this->ksID, "predefinedManipulator", "DBPEDIA-NAVIGATOR");
-		$this->client->applyConfigEntryBoolean($this->id, $this->ksID, "useCache", $settings->useCache);
+		$this->client->applyConfigEntryBoolean($this->id, $this->ksID, "useCache", true);
 		if(empty($negExamples)){
 			$negExamples=$this->client->getNegativeExamples($this->id,$this->ksID,$posExamples,count($posExamples),"http://dbpedia.org/resource/");
 			$negExamples=$negExamples->item;
@@ -69,6 +69,10 @@
 			$this->client->setNegativeExamples($this->id, $negExamples);
 		$algorithmID=$this->client->setLearningAlgorithm($this->id, "dbpediaNavigationSuggestor");
 		$this->client->applyConfigEntryBoolean($this->id, $algorithmID, "forceRefinementLengthIncrease", true);
+		$this->client->applyConfigEntryBoolean($this->id, $algorithmID, "useHasValueConstructor", true);
+		$this->client->applyConfigEntryInt($this->id, $algorithmID, "valueFrequencyThreshold", 2);
+		$this->client->applyConfigEntryBoolean($this->id, $algorithmID, "useNegation", false);
+		$this->client->applyConfigEntryBoolean($this->id, $algorithmID, "useAllConstructor", false);
 		$start = microtime(true);
 		
 		$this->client->initAll($this->id);
@@ -112,7 +116,7 @@
 				fclose($file);
 				if ($run=="false"){
 					$this->client->stop($this->id);
-					return json_decode($this->client->getCurrentlyBestEvaluatedDescriptionsFiltered($this->id,3,0.8,true),true);
+					return json_decode($this->client->getCurrentlyBestEvaluatedDescriptionsFiltered($this->id,$number,0.8,true),true);
 				}
 			} while($seconds<$this->learnttl&&$running);
 			
@@ -120,7 +124,7 @@
 		}
 		
 		//return $concepts->item;
-		return json_decode($this->client->getCurrentlyBestEvaluatedDescriptionsFiltered($this->id,3,0.8,true),true);
+		return json_decode($this->client->getCurrentlyBestEvaluatedDescriptionsFiltered($this->id,$number,0.8,true),true);
 	}
 	
 	function getNaturalDescription($concept)

Modified: trunk/src/dbpedia-navigator/ajax_learn_concepts.php
===================================================================
--- trunk/src/dbpedia-navigator/ajax_learn_concepts.php	2008-10-01 07:48:46 UTC (rev 1332)
+++ trunk/src/dbpedia-navigator/ajax_learn_concepts.php	2008-10-01 08:49:57 UTC (rev 1333)
@@ -78,7 +78,7 @@
 				}
 			}
 		}
-		$groups[]=$noclass;
+		if (count($noclass)>0) $groups[]=$noclass;
 		$problems=array();
 		foreach ($groups as $group){
 			$pos=array();
@@ -92,24 +92,29 @@
 		
 		require_once("DLLearnerConnection.php");
 		$sc=new DLLearnerConnection($id, $ksID);
+		if (count($problems)==1) $number=3;
+		else if (count($problems)==2) $number=2;
+		else $number=1;
 		try{
 			$concepts=array();
-			foreach ($problems as $problem)
-				$concepts=array_merge($concepts,@$sc->getConceptFromExamples($problem['pos'],$problem['neg']));
-			
-			
+			foreach ($problems as $problem){
+				$concepts[]=@$sc->getConceptFromExamples($problem['pos'],$problem['neg'],$number);
+			}
+						
 			if (count($concepts)>0){
 				$concept.="<table border=0>\n";
 				$concept.="<tr><td>You could also be interested in articles matching these descriptions:</td></tr>";
-				foreach ($concepts as $con){
-					$label=$sc->getNaturalDescription($con['descriptionKBSyntax']);
-					$concept.="<tr><td><a href=\"\" onclick=\"getSubjectsFromConcept('kb=".htmlentities($con['descriptionKBSyntax'])."&number=10');return false;\" />".$label."</a> (Accuracy: ".(floatVal($con['accuracy'])*100)."%)</td></tr>";
+				foreach ($concepts as $conc){
+					foreach ($conc as $con){
+						$label=$sc->getNaturalDescription($con['descriptionKBSyntax']);
+						$concept.="<tr><td><a href=\"\" onclick=\"getSubjectsFromConcept('kb=".htmlentities($con['descriptionKBSyntax'])."&number=10');return false;\" />".$label."</a> (Accuracy: ".(floatVal($con['accuracy'])*100)."%)</td></tr>";
+					}
 				}
 				$concept.="</table>";
 			}
 			else $concept="-";
 		} catch(Exception $e){
-			$concept.=$e->getMessage();
+			$concept.="-";
 		}
 	}
 	else $concept="-";


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dl-learner-svn Mailing List for DL-Learner (Page 119)

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