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[DL-Learner SVN] SF.net SVN: dl-learner: [425] trunk/src/dbpedia-navigator
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From: <sk...@us...> - 2008-01-24 10:13:18
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Revision: 425
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=425&view=rev
Author: sknappe
Date: 2008-01-24 02:13:14 -0800 (Thu, 24 Jan 2008)
Log Message:
-----------
now partly works with the new sparql component of the dl-learner
Modified Paths:
--------------
trunk/src/dbpedia-navigator/DLLearnerConnection.php
trunk/src/dbpedia-navigator/NaturalConcepts.php
trunk/src/dbpedia-navigator/ajaxfunctions.php
trunk/src/dbpedia-navigator/index.php
Modified: trunk/src/dbpedia-navigator/DLLearnerConnection.php
===================================================================
--- trunk/src/dbpedia-navigator/DLLearnerConnection.php 2008-01-24 09:31:09 UTC (rev 424)
+++ trunk/src/dbpedia-navigator/DLLearnerConnection.php 2008-01-24 10:13:14 UTC (rev 425)
@@ -9,8 +9,8 @@
class DLLearnerConnection
{
private $DBPediaUrl;
- private $DLLearnerUri;
-
+ private $ttl;
+ private $lang;
//
private $client;
@@ -20,11 +20,14 @@
// ID of the DBpedia knowledge source
private $ksID;
- function DLLearnerConnection($DBPediaUrl,$DLLearnerUri,$id=0,$ksID=0)
+ function DLLearnerConnection($id=0,$ksID=0)
{
ini_set('default_socket_timeout',200);
- $this->DBPediaUrl=$DBPediaUrl;
- $this->DLLearnerUri=$DLLearnerUri;
+ require_once("Settings.php");
+ $settings=new Settings();
+ $this->ttl=$settings->sparqlttl;
+ $this->lang=$settings->language;
+ $this->DBPediaUrl=$settings->dbpediauri;
$this->client=new SoapClient("main.wsdl");
$this->id=$id;
$this->ksID=$ksID;
@@ -35,12 +38,6 @@
$id=$this->client->generateID();
$ksID=$this->client->addKnowledgeSource($id,"sparql",$this->DBPediaUrl);
return array(0 => $id, 1 => $ksID);
- }
-
- function test()
- {
- $object=$this->client->test($this->id,$this->ksID);
- return $object->item;
}
function getConceptFromExamples($ttl,$posExamples,$negExamples)
@@ -97,95 +94,70 @@
}
return $concept;
}
+
+ function getTriples($label)
+ {
+ $query="SELECT ?pred ?obj ".
+ "WHERE {<http://dbpedia.org/resource/".str_replace(' ','_',$label)."> ?pred ?obj}";
+ $result=$this->getSparqlResult($query);
+ $ret=array();
+ foreach ($result->item as $results){
+ $value=$results->item[1];
+ if (strpos($value,"@".$this->lang)==(strlen($value)-strlen("@".$this->lang))) $ret[$results->item[0]][]=substr($value,0,strlen($value)-strlen("@".$this->lang));
+ if (strpos($value,"@")!=(strlen($value)-strlen($this->lang)-1)) $ret[$results->item[0]][]=$value;
+ }
+ return $ret;
+ }
- function getTriples($ttl,$individual)
+ function getSparqlResult($query)
{
- $options=array("triples",$individual);
- $this->client->startThread($this->id,$this->ksID,$options);
+ $this->client->applyConfigEntryStringArray($this->id, $this->ksID, "defaultGraphURIs", array("http://dbpedia.org"));
+ $queryID=$this->client->sparqlQueryThreaded($this->id,$this->ksID,$query);
+ $running=true;
$i = 1;
$sleeptime = 1;
-
+
do {
// sleep a while
sleep($sleeptime);
- // see if algorithm is running
- if (!$this->client->isThreadRunning($this->id,$this->ksID,"triples"))
- {
- $object=$this->client->getFromSparql($this->id,$this->ksID,"triples");
- @$array=$object->item;
- if ($array==NULL) return array();
- if (count($array)==1) return $array;
- $ret=array();
- foreach ($array as $element)
- {
- $items=preg_split("[<]",$element,-1, PREG_SPLIT_NO_EMPTY);
-
- // each property can occur multiple times (!)
- // bug: $ret[$items[0]]=$items[1];
-
- $ret[$items[0]][] = $items[1];
- }
- return $ret;
+
+ $running=$this->client->isSparqlQueryRunning($this->id,$this->ksID,$queryID);
+ if (!$running){
+ $result=$this->client->sparqlQuery($this->id,$this->ksID,$queryID);
+ return $result;
}
$seconds = $i * $sleeptime;
$i++;
- } while($seconds<$ttl);
-
- $this->client->stopSparqlThread($this->id,$this->ksID,"triples");
- return array();
+ } while($seconds<$this->ttl);
+ $this->client->stopSparqlQuery($id,$ksID,$queryID);
}
- function getSubjects($ttl,$label)
+ function getSubjects($label)
{
- $options=array("subjects",$label,15);
- $this->client->startThread($this->id,$this->ksID,$options);
- $i = 1;
- $sleeptime = 1;
-
- do {
- // sleep a while
- sleep($sleeptime);
-
- // see if algorithm is running
- if (!$this->client->isThreadRunning($this->id,$this->ksID,"subjects"))
- {
- $object=$this->client->getFromSparql($this->id,$this->ksID,"subjects");
- return $object->item;
- }
-
- $seconds = $i * $sleeptime;
- $i++;
- } while($seconds<$ttl);
-
- $this->client->stopSparqlThread($this->id,$this->ksID,"subjects");
- return array();
+ $query="SELECT DISTINCT ?subject\n".
+ "WHERE { ?subject <http://www.w3.org/2000/01/rdf-schema#label> ?object. ?object bif:contains '\"".$label."\"'@en}\n".
+ "LIMIT 10";
+ $result=$this->getSparqlResult($query);
+ $ret=array();
+ foreach ($result->item as $results){
+ $ret[]=$results->item;
+ }
+ return $ret;
}
- function getSubjectsFromConcept($ttl,$concept)
+ function getSubjectsFromConcept($concept)
{
- $options=array("conceptSubjects",$concept);
- $this->client->startThread($this->id,$this->ksID,$options);
- $i = 1;
- $sleeptime = 1;
- do {
- // sleep a while
- sleep($sleeptime);
-
- // see if algorithm is running
- if (!$this->client->isThreadRunning($this->id,$this->ksID,"conceptSubjects"))
- {
- $object=$this->client->getFromSparql($this->id,$this->ksID,"conceptSubjects");
- return $object->item;
- }
-
- $seconds = $i * $sleeptime;
- $i++;
- } while($seconds<$ttl);
-
- $this->client->stopSparqlThread($this->id,$this->ksID,"conceptSubjects");
- return array();
+ $query="SELECT DISTINCT ?subject\n".
+ "WHERE { ?subject a <".$concept.">}\n".
+ "LIMIT 10";
+ $result=$this->getSparqlResult($query);
+ $ret=array();
+ foreach ($result->item as $results){
+ $ret[]=$results->item[0];
+ }
+ return $ret;
}
public function loadWSDLfiles($wsdluri){
Modified: trunk/src/dbpedia-navigator/NaturalConcepts.php
===================================================================
--- trunk/src/dbpedia-navigator/NaturalConcepts.php 2008-01-24 09:31:09 UTC (rev 424)
+++ trunk/src/dbpedia-navigator/NaturalConcepts.php 2008-01-24 10:13:14 UTC (rev 425)
@@ -10,6 +10,7 @@
function getNaturalConcept(){
$identifiedConcepts=$this->identifyConcepts();
+ $labels=$this->getLabels($identifiedConcepts);
return $identifiedConcepts;
}
@@ -32,9 +33,23 @@
$offset=$treffer[0][1];
}
- print_r($ret);
return $ret;
}
+
+ function getLabels($conc)
+ {
+ $query="SELECT DISTINCT ";
+ for ($i=0;$i<count($conc)-1;$i++)
+ $query.="?obj".$i.", ";
+ $query.="?obj".$i."\n";
+ $query.="WHERE {\n";
+ foreach ($conc as $key=>$con){
+ $query.="<".$con."> <http://www.w3.org/2000/01/rdf-schema#label> ?obj".$key.".\n";
+ }
+ $query.="}";
+ print $query;
+ return $query;
+ }
}
$conc="EXISTS http://dbpedia.org/property/website.TOP AND http://dbpedia.org/resource/Berlin";
Modified: trunk/src/dbpedia-navigator/ajaxfunctions.php
===================================================================
--- trunk/src/dbpedia-navigator/ajaxfunctions.php 2008-01-24 09:31:09 UTC (rev 424)
+++ trunk/src/dbpedia-navigator/ajaxfunctions.php 2008-01-24 10:13:14 UTC (rev 425)
@@ -9,13 +9,11 @@
function getsubjects($label)
{
- require_once("Settings.php");
require_once("DLLearnerConnection.php");
- $settings=new Settings();
- $sc=new DLLearnerConnection($settings->dbpediauri,$settings->wsdluri,$_SESSION['id'],$_SESSION['ksID']);
+ $sc=new DLLearnerConnection($_SESSION['id'],$_SESSION['ksID']);
$content="";
- $subjects=$sc->getSubjects($settings->sparqlttl,$label);
+ $subjects=$sc->getSubjects($label);
if (count($subjects)==1)
{
@@ -26,7 +24,7 @@
else{
foreach ($subjects as $subject)
{
- $content.="<a href=\"\" onclick=\"xajax_getAndShowArticle('".str_replace("_"," ",substr (strrchr ($subject, "/"), 1))."',-2);return false;\">".str_replace("_"," ",urldecode(substr (strrchr ($subject, "/"), 1)))."</a><br/>";
+ $content.="<a href=\"\" onclick=\"xajax_getAndShowArticle('".urldecode(str_replace("_"," ",substr (strrchr ($subject, "/"), 1)))."',-2);return false;\">".urldecode(str_replace("_"," ",substr (strrchr ($subject, "/"), 1)))."</a><br/>";
}
}
@@ -58,64 +56,63 @@
}
}
if ($fromCache<0) {
- require_once("Settings.php");
require_once("DLLearnerConnection.php");
- $settings=new Settings();
- $sc=new DLLearnerConnection($settings->dbpediauri,$settings->wsdluri,$_SESSION['id'],$_SESSION['ksID']);
- $triples=$sc->getTriples($settings->sparqlttl,$subject);
+ $sc=new DLLearnerConnection($_SESSION['id'],$_SESSION['ksID']);
+ $triples=$sc->getTriples($subject);
$content="";
$searchResult="";
$objResponse = new xajaxResponse();
if (count($triples)==1)
- {
+ {
// ToDo: find out why this was treated in a special way by Sebastian
$content.=substr($triples,7);
}
- else if (count($triples)==0) {
+ else if (count($triples)==0) {
$content.="Did not find an article with that name. Similar Articles are shown under 'Search Results'.";
- } else {
-
- // goal: display the data in a nice (DBpedia specific way), maybe similar to
- // dbpedia.org/search
+ } else {
- $content="";
- // replace by label(?)
- $subject_nice = str_replace("_"," ",urldecode(substr (strrchr ($subject, "/"), 1)));
-
- // display a picture if there is one
+ // goal: display the data in a nice (DBpedia specific way), maybe similar to
+ // dbpedia.org/search
+
+ $content="";
+
+ // replace by label(?)
+ //$subject_nice = str_replace("_"," ",urldecode(substr (strrchr ($subject, "/"), 1)));
+
+ // display a picture if there is one
if(isset($triples['http://xmlns.com/foaf/0.1/depiction']))
- $content.='<img src="'.$triples['http://xmlns.com/foaf/0.1/depiction'][0].'" alt="Picture of '.$subject_nice.'" style="float:right; max-width:200px;" \>';
-
+ $content.='<img src="'.$triples['http://xmlns.com/foaf/0.1/depiction'][0].'" alt="Picture of '.$subject_nice.'" style="float:right; max-width:200px;" \>';
+
// add short description in english
$content.="<h4>Short Description</h4><p>".urldecode($triples['http://dbpedia.org/property/abstract'][0])."</p>";
-
- // give the link to the corresponding Wikipedia article
- if(isset($triples['http://xmlns.com/foaf/0.1/page']))
- $content .= '<p><img src="images/wikipedia_favicon.png" alt"Wikipedia" /> <a href="'.$triples['http://xmlns.com/foaf/0.1/page'][0].'">view Wikipedia article</a>, ';
- $content .= '<a href="'.$subject.'">view DBpedia resource description</a></p>';
-
- // display a list of classes
- if(isset($triples['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']))
- $content .= '<p>classes: '.formatClassArray($triples['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']).'</p>';
-
- if(isset($triples['http://dbpedia.org/property/reference'])) {
- $content .= '<p>references: <ul>';
- foreach($triples['http://dbpedia.org/property/reference'] as $reference)
- $content .= '<li><a href="'.$reference.'">'.$reference.'</a></li>';
- $content .= '</ul></p>';
- }
-
- // filter out uninteresting properties and properties which
- // have already been displayed
- unset($triples['http://xmlns.com/foaf/0.1/page']);
- unset($triples['http://xmlns.com/foaf/0.1/depiction']);
- unset($triples['http://dbpedia.org/property/abstract']);
- unset($triples['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']);
-
- // display the remaining properties as list which can be used for further navigation
-
- $content .= '<br/><br/><br/><br/><br/><br/>'.get_triple_table($triples);
+
+ // give the link to the corresponding Wikipedia article
+ if(isset($triples['http://xmlns.com/foaf/0.1/page']))
+ $content .= '<p><img src="images/wikipedia_favicon.png" alt"Wikipedia" /> <a href="'.$triples['http://xmlns.com/foaf/0.1/page'][0].'">view Wikipedia article</a>, ';
+ $content .= '<a href="'.$subject.'">view DBpedia resource description</a></p>';
+ // display a list of classes
+ if(isset($triples['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']))
+ $content .= '<p>classes: '.formatClassArray($triples['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']).'</p>';
+
+ if(isset($triples['http://dbpedia.org/property/reference'])) {
+ $content .= '<p>references: <ul>';
+ foreach($triples['http://dbpedia.org/property/reference'] as $reference)
+ $content .= '<li><a href="'.$reference.'">'.$reference.'</a></li>';
+ $content .= '</ul></p>';
+ }
+
+ // filter out uninteresting properties and properties which
+ // have already been displayed
+ unset($triples['http://xmlns.com/foaf/0.1/page']);
+ unset($triples['http://xmlns.com/foaf/0.1/depiction']);
+ unset($triples['http://dbpedia.org/property/abstract']);
+ unset($triples['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']);
+
+ // display the remaining properties as list which can be used for further navigation
+
+ $content .= '<br/><br/><br/><br/><br/><br/>'.get_triple_table($triples);
+
//store article in session, to navigate between last 5 articles quickly
$contentArray=array('content' => $content,'subject' => $subject);
if (!isset($_SESSION['nextArticle'])){
@@ -140,7 +137,7 @@
//build Subject and Searchresults
if ($fromCache==-1)
- $searchResult.="<a href=\"\" onclick=\"xajax_getAndShowSubjects('".str_replace("_"," ",substr (strrchr ($subject, "/"), 1))."');return false;\">Show more Results</a>";
+ $searchResult.="<a href=\"\" onclick=\"xajax_getAndShowSubjects('".$subject."');return false;\">Show more Results</a>";
}
}
else {
@@ -152,12 +149,12 @@
if (isset($_SESSION['articles']))
foreach ($_SESSION['articles'] as $key => $value)
{
- $lastArticles.="<a href=\"\" onclick=\"xajax_getAndShowArticle('',".$key.");return false;\">".str_replace("_"," ",urldecode(substr (strrchr ($value['subject'], "/"), 1)))."</a><br/>";
+ $lastArticles.="<a href=\"\" onclick=\"xajax_getAndShowArticle('',".$key.");return false;\">".$value['subject']."</a><br/>";
}
//put whole site content into session
$_SESSION['artContent']=$content;
- $_SESSION['artTitle']=str_replace("_"," ",urldecode(substr (strrchr ($subject, "/"), 1)));
+ $_SESSION['artTitle']=$triples['http://www.w3.org/2000/01/rdf-schema#label'];
$_SESSION['artLast']=$lastArticles;
$_SESSION['artSubjects']=$searchResult;
@@ -188,7 +185,7 @@
function getAndShowArticle($subject,$fromCache)
{
$objResponse = new xajaxResponse();
- $objResponse->call('xajax_getarticle',"http://dbpedia.org/resource/".str_replace(" ","_",$subject),$fromCache);
+ $objResponse->call('xajax_getarticle',$subject,$fromCache);
$objResponse->call('xajax_showArticle');
return $objResponse;
}
@@ -252,11 +249,11 @@
//add Positives and Negatives to Interests
$posInterests="";
if (isset($_SESSION['positive'])) foreach($_SESSION['positive'] as $pos){
- $posInterests=$posInterests.str_replace("_"," ",urldecode(substr (strrchr ($pos, "/"), 1)))." <a href=\"\" onclick=\"xajax_toNegative('".$pos."');return false;\"><img src=\"images/minus.jpg\" alt=\"Minus\"/></a> <a href=\"\" onclick=\"xajax_removePosInterest('".$pos."');return false;\"><img src=\"images/remove.png\" alt=\"Minus\"/></a><br/>";
+ $posInterests=$posInterests.$pos." <a href=\"\" onclick=\"xajax_toNegative('".$pos."');return false;\"><img src=\"images/minus.jpg\" alt=\"Minus\"/></a> <a href=\"\" onclick=\"xajax_removePosInterest('".$pos."');return false;\"><img src=\"images/remove.png\" alt=\"Minus\"/></a><br/>";
}
$negInterests="";
if (isset($_SESSION['negative'])) foreach($_SESSION['negative'] as $neg){
- $negInterests=$negInterests.str_replace("_"," ",urldecode(substr (strrchr ($neg, "/"), 1)))." <a href=\"\" onclick=\"xajax_toPositive('".$neg."');return false;\"><img src=\"images/plus.jpg\" alt=\"Plus\"/></a> <a href=\"\" onclick=\"xajax_removeNegInterest('".$neg."');return false;\"><img src=\"images/remove.png\" alt=\"Minus\"/></a><br/>";
+ $negInterests=$negInterests.$neg." <a href=\"\" onclick=\"xajax_toPositive('".$neg."');return false;\"><img src=\"images/plus.jpg\" alt=\"Plus\"/></a> <a href=\"\" onclick=\"xajax_removeNegInterest('".$neg."');return false;\"><img src=\"images/remove.png\" alt=\"Minus\"/></a><br/>";
}
$objResponse=new xajaxResponse();
Modified: trunk/src/dbpedia-navigator/index.php
===================================================================
--- trunk/src/dbpedia-navigator/index.php 2008-01-24 09:31:09 UTC (rev 424)
+++ trunk/src/dbpedia-navigator/index.php 2008-01-24 10:13:14 UTC (rev 425)
@@ -5,10 +5,8 @@
ini_set("soap.wsdl_cache_enabled","1");
session_start();
-require_once('Settings.php');
require_once('DLLearnerConnection.php');
-$settings=new Settings();
-$sc=new DLLearnerConnection($settings->dbpediauri,$settings->wsdluri);
+$sc=new DLLearnerConnection();
$ids=$sc->getIDs();
$_SESSION['id']=$ids[0];
$_SESSION['ksID']=$ids[1];
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