[DL-Learner SVN] SF.net SVN: dl-learner: [757] trunk/src/dbpedia-navigator

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

Revision: 757
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=757&view=rev
Author:   sknappe
Date:     2008-04-02 09:13:35 -0700 (Wed, 02 Apr 2008)

Log Message:
-----------
get examples for concept works, but not yet perfect

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

Modified: trunk/src/dbpedia-navigator/DLLearnerConnection.php
===================================================================
--- trunk/src/dbpedia-navigator/DLLearnerConnection.php	2008-04-02 16:02:52 UTC (rev 756)
+++ trunk/src/dbpedia-navigator/DLLearnerConnection.php	2008-04-02 16:13:35 UTC (rev 757)
@@ -227,8 +227,7 @@
 	
 	function getSubjectsFromConcept($concept)
 	{
-		$query="SELECT DISTINCT ?subject\n".
-			   "WHERE { ?subject a <".$concept.">}\n";
+		$query=$this->client->SparqlRetrieval($concept);
 		$result=json_decode($this->getSparqlResultThreaded($query),true);
 		if (count($result['results']['bindings'])==0) throw new Exception("Your query brought no result.");
 		$ret=array();

Modified: trunk/src/dbpedia-navigator/NaturalConcepts.php
===================================================================
--- trunk/src/dbpedia-navigator/NaturalConcepts.php	2008-04-02 16:02:52 UTC (rev 756)
+++ trunk/src/dbpedia-navigator/NaturalConcepts.php	2008-04-02 16:13:35 UTC (rev 757)
@@ -50,10 +50,72 @@
 		print $query;
 		return $query;
 	}
+	
+	function getSparqlQuery()
+	{
+		$temp=$this->concept;
+		$andOrParts=$this->getAndOrParts($temp);
+		print_r($andOrParts);
+	}
+	
+	function getAndOrParts($temp)
+	{
+		$split=preg_split("/(OR)|(AND)/",$temp,-1,PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
+		$bracket=0;
+		$arr=array();
+		$temppart="";
+		foreach ($split as $part){
+			$part=trim($part);
+			if (strpos($part,"(")===0){
+				$bracket+=substr_count($part,"(");
+			}
+			if ($bracket>0){
+				if (($part=="AND")||($part=="OR")) $temppart.=" ".$part." ";
+				else $temppart.=$part;
+			}
+			else{
+				if ((!strpos($part,"AND"))&&(!strpos($part,"OR"))) $arr[]=$part;
+				else $arr[]=$this->getAndOrParts($part);
+			}
+			if ((strrpos($part,')')==(strlen($part)-1))&&($bracket>0)){
+				$bracket-=substr_count($part,")");
+				if ($bracket==0){
+					if ((!strpos($temppart,"AND"))&&(!strpos($temppart,"OR"))) $arr[]=substr($temppart,1,strlen($temppart)-2);
+					else $arr[]=$this->getAndOrParts(substr($temppart,1,strlen($temppart)-2));
+					$temppart="";
+				}
+			}
+		}
+		return $arr;
+	}
+	
+	function isExistsConstruct($construct)
+	{
+		if (!(strpos($construct,"EXISTS")===0)) return false;
+		$split=preg_split("/(EXISTS \".*\")\./",$construct,-1,PREG_SPLIT_NO_EMPTY);
+		$afterdot=$split[0];
+		print $afterdot;
+		$bracket=0;
+		$offset=0;
+		do{
+			$nextBracketOn=strpos($afterdot,"(",$offset);
+			$nextBracketOff=strpos($afterdot,")",$offset);
+			print "On: ".$nextBracketOn+1;
+			print "Off: ".$nextBracketOff+1;
+			$min=min($nextBracketOn,$nextBracketOff);
+			print $min+1;
+			if ($nextBracketOn==$min) $bracket++;
+			if ($nextBracketOff==$min) $bracket--;
+			$offset=$min;
+		} while(($bracket>0)||($offset>=strlen($afterdot)-1));
+		print ($offset);
+		return true;
+	}
 }
 
-$conc="EXISTS http://dbpedia.org/property/website.TOP AND http://dbpedia.org/resource/Berlin";
+//$conc="(EXISTS http://dbpedia.org/property/website.(http://dbpedia.org/resource/Berlin AND http://dbpedia.org/resource/Berlin) OR (http://dbpedia.org/resource/Berlin AND http://dbpedia.org/resource/Berlin)) OR http://dbpedia.org/resource/Berlin";
+$conc="EXISTS \"http://dbpedia.org/property/website\".(http://dbpedia.org/resource/Berlin AND http://dbpedia.org/resource/Berlin)";
 $nc=new NaturalConcepts($conc);
-$ic=$nc->getNaturalConcept();
+$ic=$nc->isExistsConstruct($conc);
 //print_r($ic);
 ?>
\ No newline at end of file

Modified: trunk/src/dbpedia-navigator/ajaxfunctions.php
===================================================================
--- trunk/src/dbpedia-navigator/ajaxfunctions.php	2008-04-02 16:02:52 UTC (rev 756)
+++ trunk/src/dbpedia-navigator/ajaxfunctions.php	2008-04-02 16:13:35 UTC (rev 757)
@@ -392,7 +392,7 @@
 			$concept.="<table border=0>\n";
 			$i=1;
 			foreach ($concepts as $con){
-				$concept.="<tr><td><a href=\"\" onclick=\"xajax_getSubjectsFromConcept('".$con."');return false;\" onMouseOver=\"showdiv('div".$i."');showdiv('ConceptBox');\" onMouseOut=\"hidediv('div".$i."');hidediv('ConceptBox');\" />".$con."</a></td></tr>";
+				$concept.="<tr><td><a href=\"\" onclick=\"xajax_getSubjectsFromConcept('".urlencode($con)."');return false;\" onMouseOver=\"showdiv('div".$i."');showdiv('ConceptBox');\" onMouseOut=\"hidediv('div".$i."');hidediv('ConceptBox');\" />".$con."</a></td></tr>";
 				//put information about concepts in divs
 				$conceptinformation.="<div id=\"div".$i."\" style=\"display:none\">Concept Depth: ".$conceptDepth[$i-1]."<br/>Concept Arity: ".$conceptArity[$i-1]."<br/>Concept Length: ".$sc->getConceptLength($con)."</div>";
 				$i++;
@@ -421,6 +421,7 @@
 	
 	setRunning($id,"true");
 	
+	$concept=urldecode($concept);
 	$content="";
 	try{
 		require_once("DLLearnerConnection.php");


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