[DL-Learner SVN] SF.net SVN: dl-learner:[1330] trunk/src/dbpedia-navigator

[<sk...@us...>]

Revision: 1330
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1330&view=rev
Author:   sknappe
Date:     2008-09-30 20:16:04 +0000 (Tue, 30 Sep 2008)

Log Message:
-----------
some changes, major one is that examples are combined to classes of examples (to yet finished)

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

Modified: trunk/src/dbpedia-navigator/ajax_get_article.php
===================================================================
--- trunk/src/dbpedia-navigator/ajax_get_article.php	2008-09-30 19:05:21 UTC (rev 1329)
+++ trunk/src/dbpedia-navigator/ajax_get_article.php	2008-09-30 20:16:04 UTC (rev 1330)
@@ -300,7 +300,7 @@
 				$content.='<br/><hr><h4>Remaining Triples</h4><br/>';
 				
 				// display the remaining properties as list which can be used for further navigation
-				$content .= get_triple_table($triples,$subjecttriples,$predicatelabels);
+				$content .= get_triple_table($triples,$subjecttriples);
 			}
 			
 			//Restart the Session

Modified: trunk/src/dbpedia-navigator/ajax_learn_concepts.php
===================================================================
--- trunk/src/dbpedia-navigator/ajax_learn_concepts.php	2008-09-30 19:05:21 UTC (rev 1329)
+++ trunk/src/dbpedia-navigator/ajax_learn_concepts.php	2008-09-30 20:16:04 UTC (rev 1330)
@@ -2,6 +2,8 @@
 	ini_set('max_execution_time',200);
 
 	include('helper_functions.php');
+	include('Settings.php');
+	include('DatabaseConnection.php');
 	
 	session_start();
 		
@@ -22,11 +24,80 @@
 		if (isset($negatives))
 			foreach ($negatives as $name=>$lab)
 				$negArray[]=$name;
-			
+
+		//connect to the database
+		$settings=new Settings();
+		$databaseConnection=new DatabaseConnection($settings->database_type);
+		$databaseConnection->connect($settings->database_server,$settings->database_user,$settings->database_pass);
+		$databaseConnection->select_database($settings->database_name);
+		
+		$all=array_merge($posArray,$negArray);
+		
+		$classes=array();
+		$noclass=array();
+		foreach ($all as $pos){
+			$newclasses=array();
+			$query="SELECT category FROM articlecategories WHERE name='$pos'";
+			$res=$databaseConnection->query($query);
+			if (mysql_num_rows($res)<1) $noclass[]=$pos; 
+			while ($result=$databaseConnection->nextEntry($res)){
+				$classes[$pos][]=$result['category'];
+				$newclasses[]=$result['category'];
+			}
+			for ($i=0;$i<1;$i++){
+				$tempclasses=array();
+				foreach ($newclasses as $clas){
+					$query="SELECT father FROM classhierarchy WHERE child='$clas'";
+					$res=$databaseConnection->query($query);
+					while ($result=$databaseConnection->nextEntry($res)){
+						$classes[$pos][]=$result['father'];
+						$tempclasses[]=$result['father'];
+					}
+				}
+				$newclasses=$tempclasses;	
+			}
+		}
+		$groups=array();
+		$groupclasses=array();
+		$i=0;
+		foreach ($classes as $key=>$value){
+			$i++;
+			$groups[$i][]=$key;
+			$groupclasses[$i]=$value;
+		}
+				
+		for ($j=1;$j<=$i;$j++){
+			if (!isset($groups[$j])) continue;
+			for ($k=$j+1;$k<=$i;$k++){
+				if (!isset($groups[$k])) continue;
+				if (count(array_intersect($groupclasses[$j],$groupclasses[$k]))>0){
+					$groups[$j]=array_merge($groups[$j],$groups[$k]);
+					$groupclasses[$j]=array_merge($groupclasses[$j],$groupclasses[$k]);
+					unset($groups[$k]);
+					unset($groupclasses[$k]);
+				}
+			}
+		}
+		$groups[]=$noclass;
+		$problems=array();
+		foreach ($groups as $group){
+			$pos=array();
+			$neg=array();
+			foreach ($group as $uri){
+				if (in_array($uri,$posArray)) $pos[]=$uri;
+				else $neg[]=$uri;
+			}
+			$problems[]=array('pos'=>$pos,'neg'=>$neg);
+		}
+		
 		require_once("DLLearnerConnection.php");
 		$sc=new DLLearnerConnection($id, $ksID);
 		try{
-			$concepts=$sc->getConceptFromExamples($posArray,$negArray);
+			$concepts=array();
+			foreach ($problems as $problem)
+				$concepts=array_merge($concepts,@$sc->getConceptFromExamples($problem['pos'],$problem['neg']));
+			
+			
 			if (count($concepts)>0){
 				$concept.="<table border=0>\n";
 				$concept.="<tr><td>You could also be interested in articles matching these descriptions:</td></tr>";

Modified: trunk/src/dbpedia-navigator/helper_functions.php
===================================================================
--- trunk/src/dbpedia-navigator/helper_functions.php	2008-09-30 19:05:21 UTC (rev 1329)
+++ trunk/src/dbpedia-navigator/helper_functions.php	2008-09-30 20:16:04 UTC (rev 1330)
@@ -227,7 +227,7 @@
 	fclose($file);
 }
 
-function get_triple_table($triples,$subjecttriples,$predicateLabels) {
+function get_triple_table($triples,$subjecttriples) {
 
 	$table = '<table border="0" style="width:100%;overflow:hidden"><tr><td><b>Predicate</b></td><td><b>Object/Subject</b></td></tr>';
 	$i=1;


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