function getANodeNeg()
{
$conf = array('ns' => array('rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', 'dbpedia' => 'http://dbpedia.org/ontology/', 'foaf' => 'http://xmlns.com/foaf/0.1/', 'xsd' => 'http://www.w3.org/2001/XMLSchema#', 'dcterms' => 'http://purl.org/dc/terms/'));
$docNeg = $this->getDOMDocNeg();
$aNodes = $docNeg->source->getElementsByTagName('a');
$conf['source'] = $aNodes->item(0);
return ARC2::getComponent('negotiators_ANodePlugin', $conf);
}
public function __construct($contextURIs)
{
global $config;
global $graphConfig;
$this->store = ARC2::getStore($config);
$this->uris = $contextURIs;
$this->graph = ARC2::getComponent('PMJ_ResourceGraphPlugin', $graphConfig);
}
public function getNegotiators($val, $nArray = false)
{
$retArray = array();
$nArray = $nArray ? $nArray : $this->negotiators;
foreach ($this->negotiators as $n) {
if ($this->applyTestOnNegotiator($n, $val)) {
$retArray[] = ARC2::getComponent($n);
}
}
}
public function __construct($array)
{
global $config;
global $graphConfig;
$this->store = ARC2::getStore($config);
if (isset($array['uris'])) {
$this->uris = $array['uris'];
}
if (isset($array['tagURIs'])) {
$this->tagURIs = $array['tagURIs'];
}
$this->graph = ARC2::getComponent('PMJ_ResourceGraphPlugin', $graphConfig);
}
public function __construct($vars)
{
global $config;
global $graphConfig;
$this->store = ARC2::getStore($config);
foreach ($vars as $var => $val) {
$this->{$var} = $val;
}
$this->graph = ARC2::getComponent('PMJ_ResourceGraphPlugin', $graphConfig);
$this->setQuery();
$this->doQuery();
$this->processResultSet();
}
public function transform($settings = '')
{
if ($settings != '') {
foreach ($settings as $setting => $value) {
$this->{$setting} = $value;
}
}
$this->a = $this->config_ns();
foreach ($this->required as $require) {
require_once dirname(__FILE__) . DIRECTORY_SEPARATOR . $require . '.php';
}
$this->ARC2 = ARC2::getComponent('RDFTranformrPlugin', $this->a);
return $this->query != '' ? $this->json_query($this->query) : $this->transformr_types();
}
public function testAddPropValue()
{
$res = $this->getRes();
$res->addPropValue('foaf:page', 'http://www.patrickgmj.net/blog');
$this->assertTrue(in_array('http://www.patrickgmj.net/blog', $res->getFlattenedProps('foaf:page')));
$res->addPropValue('rdfs:type', 'foaf:Agent');
$this->assertTrue(in_array('http://xmlns.com/foaf/0.1/Agent', $res->getFlattenedProps('rdfs:type')));
$res2 = ARC2::getComponent('PMJ_ResourcePlusPlugin', array('ns' => array('foaf' => 'http://xmlns.com/foaf/0.1/')));
$res2->setURI('http://example.com');
$res2->addPropValue('rdfs:type', 'foaf:Agent');
$this->assertEquals(1, $res2->triplesCount());
$res2->addPropValue('rdfs:type', 'foaf:Agent');
$this->assertEquals(1, $res2->triplesCount());
}
public function testInit()
{
$conf = array('ns' => array('rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', 'dbpedia' => 'http://dbpedia.org/ontology/', 'foaf' => 'http://xmlns.com/foaf/0.1/', 'xsd' => 'http://www.w3.org/2001/XMLSchema#', 'dcterms' => 'http://purl.org/dc/terms/'), 'store' => $this->store);
$n = ARC2::getComponent('negotiators_DataNegotiatorPlugin', $conf);
$this->assertTrue(isset($n->store));
$this->assertEquals('NegotiatorSelector', get_class($n->selector));
$this->assertTrue(count($n->selector->negotiators) > 0);
//test adding to a predefined ns (e.g., sioc prefix already present, but not clobbered on init)
$testN = ARC2::getComponent('negotiators_TestPlugin', $conf);
$this->assertTrue(array_key_exists('foaf', $testN->ns));
$this->assertTrue(array_key_exists('test', $testN->ns));
//test setting currURI from caller
$this->assertEquals($n->currURI, $testN->currURI);
//test setting revURI from caller
$this->assertEquals($n->currURI, $testN->revURI);
}
function preProcess()
{
date_default_timezone_set('America/New_York');
$linkNodes = $this->xpath->query('link', $this->source);
$postPage = $this->trimSlash($linkNodes->item(0)->textContent);
$postURI = $postPage . '#this';
$postRes = ARC2::getComponent('PMJ_ResourcePlusPlugin', array('ns' => $this->ns));
$postRes->setURI($postURI);
$postRes->addPropValue($this->revProp, $this->revURI);
$titleNodes = $this->xpath->query('title', $this->source);
$postRes->addPropValue('dcterms:title', $titleNodes->item(0)->textContent);
$createdNodes = $this->xpath->query('pubDate', $this->source);
$created = $createdNodes->item(0)->textContent;
$createdDateTime = date_create($created);
$postRes->addPropValue('dcterms:created', $createdDateTime->format('c'), 'literal', 'xsd:dateTime');
$this->graph->addResource($postRes);
}
function preProcess()
{
$linkNodes = $this->xpath->query('//channel/link');
$linkNode = $linkNodes->item(0);
$pageURL = $this->trimSlash($linkNode->textContent);
$siteURI = $pageURL . "#this";
$siteRes = ARC2::getComponent('PMJ_ResourcePlusPlugin', array('ns' => $this->ns));
$siteRes->setURI($siteURI);
$titles = $this->xpath->query('//channel/title');
$siteRes->addPropValue('dcterms:title', $titles->item(0)->textContent, 'literal');
$siteRes->addPropValue('rdf:type', 'sioc:Site');
$siteRes->addPropValue('foaf:page', $pageURL);
$this->graph->addResource($siteRes);
$items = $this->source->getElementsByTagName('item');
for ($i = 0; $i < $items->length; $i++) {
$this->addSubNegotiator('negotiators_RSSItemPlugin', array('source' => $items->item($i), 'revURI' => $siteURI, 'xpath' => $this->xpath));
}
}
function curl_get($url)
{
$reader = ARC2::getComponent('Reader', $conf);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
$headers = array();
$headers[] = 'Accept: text/xml';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
try {
$content = curl_exec($ch);
$error_code = curl_errno($ch);
curl_close($ch);
} catch (Exception $e) {
echo " (curl error): " . $e->getMessage() . PHP_EOL;
}
return $content;
}
$index = ARC2::getSimpleIndex($triples, false);
/* false -> non-flat version */
$rdf_doc = $parser->toTurtle($index, $ns);
} elseif ($format == 'json' || $format == 'rdf-json') {
ini_set("include_path", S3DB_SERVER_ROOT . "/pearlib/arc" . PATH_SEPARATOR . ini_get("include_path"));
include_once "ARC2.php";
$a['ns'] = $ns;
$parser = ARC2::getComponent('RDFJSONSerializer', $a);
$index = ARC2::getSimpleIndex($triples, false);
$rdf_doc = $parser->toRDFJSON($index, $ns);
} else {
$format = 'n3';
ini_set("include_path", S3DB_SERVER_ROOT . "/pearlib/arc" . PATH_SEPARATOR . ini_get("include_path"));
include_once "ARC2.php";
$a['ns'] = $ns;
$parser = ARC2::getComponent('NTriplesSerializer', $a);
$index = ARC2::getSimpleIndex($triples, false);
/* false -> non-flat version */
$rdf_doc = $parser->toNTriples($index, $ns);
}
fwrite($fid, $rdf_doc);
fclose($fid);
chmod($FinalFfilename, 0777);
##Prepare to output
$linkname = random_string('10') . '.' . $format;
$filelink = $GLOBALS['URI'] . '/extras/' . $linkname;
if (!copy($FinalFfilename, S3DB_SERVER_ROOT . '/extras/' . $linkname)) {
echo "Could not copy the file. This could be because Apache does not have 'write' permission on the s3db folder or the /extras/.";
exit;
}
if (in_array('link', array_keys($inputs))) {
//error_reporting(E_ALL);
include 'config.php';
include_once 'checkLogin.php';
include ARC_DIR . 'ARC2.php';
include_once CLASSES_DIR . 'RubrickBuilder.php';
include_once CLASSES_DIR . 'Rubric.php';
include_once CLASSES_DIR . 'Context.php';
include_once CLASSES_DIR . 'RubricLine.php';
include_once CLASSES_DIR . 'RubricLineValue.php';
include_once CLASSES_DIR . 'Tagging.php';
header("Content-type: application/json");
$store = ARC2::getStore($config);
//$jsonStr = '{"rubricLines":[{"action":"create","fields":[{"Name":["line%201"]},{"Description":["Describe%20the%20skills%20that%20this%20line%20evaluates"]},{"Tags":["Add%20a%20tag"]},{"Public":[1]},{"order":["0"]},{"v5":["Describe%20the%20Rubric%20Value%20here."],"score":1},{"v4":["Describe%20the%20Rubric%20Value%20here."],"score":2},{"v3":["Describe%20the%20Rubric%20Value%20here."],"score":3},{"v2":["Describe%20the%20Rubric%20Value%20here."],"score":4},{"v1":["Describe%20the%20Rubric%20Value%20here."],"score":5}]},{"action":"create","fields":[{"Name":["line%202"]},{"Description":["Describe%20the%20skills%20that%20this%20line%20evaluates"]},{"Tags":["line%20tag"]},{"Public":[1]},{"order":["1"]},{"v5":["Describe%20the%20Rubric%20Value%20here."],"score":1},{"v4":["Describe%20the%20Rubric%20Value%20here."],"score":2},{"v3":["Describe%20the%20Rubric%20Value%20here."],"score":3},{"v2":["Describe%20the%20Rubric%20Value%20here."],"score":4},{"v1":["Describe%20the%20Rubric%20Value%20here."],"score":5}]}],"rubricMeta":{"name":{"rName":["Rubric%20Name"]},"desc":{"rDesc":["Rubric%20Description"]},"tags":{"rTags":["t1","t2"]},"pub":{"rPublic":[1]},"contexts":{"rContexts":["http%3A%2F%2Fdata.rubrick-jetpack.org%2FContext%2F7af867eb16d35a749874fb71a62ecea2714c14b0"]}}}';
$jsonStr = ' { "literals" : [ { "p" : "tagging:tagging" , "o" : "test tag" } ,
{ "p" : "tagging:tagging" , "o" : "stuff" } ]} ';
$jsonObj = json_decode($jsonStr);
$init = array('post' => $jsonObj);
$bigGraph = ARC2::getComponent('PMJ_ResourceGraphPlugin', $graphConfig);
$newRes = new Tagging(false, $init);
$newRes->buildAddGraph();
//echo count($newRes->aggregates);
//$ag = $newRes->aggregates[0];
//echo $ag->getRevTriple();
//echo $ag->revResourceURI;
$bigGraph->mergeResourceGraph($newRes->addGraph);
foreach ($newRes->aggregates as $ag) {
$bigGraph->mergeResourceGraph($ag->addGraph);
}
echo json_encode($bigGraph->toRDFJSON(true));
//echo count($newRes->aggregates);
function getRDFJSONSerializer($a = '')
{
return ARC2::getComponent('RDFJSONSerializer', $a);
}
$parser->extractRDF('dc rdfa');
$triples = $parser->getTriples();
$q = 'INSERT INTO <> { ' . $parser->toNTriples($triples) . ' } ';
$parseRS = $store->query($q);
$graph = ARC2::getComponent('PMJ_ResourceGraphPlugin', $graphConfig);
$recordingRes = ARC2::getComponent('PMJ_ResourcePlusPlugin', $graphConfig);
$userURI = $_SESSION['userURI'];
$recordingURI = 'http://data.rubrick-jetpack.org/Recordings/' . sha1($userURI . time());
$recordingRes->setURI($recordingURI);
$recordingRes->addPropValue('rdf:type', 'r:Recording', 'uri');
$recordingRes->addPropValue('sioc:has_creator', $userURI, 'uri');
$recordingRes->addPropValue('r:hasPage', $_POST['page'], 'uri');
$recordingRes->addPropValue('dcterms:created', date('c'), 'literal', 'xsd:dateTime');
$recordingRes->addPropValue('r:hasRubric', $_POST['rubric'], 'uri');
if (is_array($_POST['r:hasLineValues'])) {
foreach ($_POST['r:hasLineValues'] as $lineValueURI) {
$recordingRes->addPropValue('r:hasLineValue', $lineValueURI, 'uri');
}
} else {
$recordingRes->addPropValue('r:hasLineValue', $_POST['lineValues'], 'uri');
}
$contextRes = ARC2::getComponent('PMJ_ResourcePlusPlugin', $graphConfig);
$contextRes->setURI($_POST['context']);
$contextRes->addPropValue('r:hasRecording', $recordingURI, 'uri');
$graph->addResource($contextRes);
$graph->addResource($recordingRes);
$q = 'INSERT INTO <> { ' . $graph->toNTriples() . ' } ';
//echo htmlspecialchars($graph->toNTriples());
$rs = $store->query($q);
$message = 'Data is happily saved!';
echo "{ message : '" . $message . "' }";
public function draw_onto()
{
$onto_store_config = $this->ontostore_params;
$store = ARC2::getStore($onto_store_config);
/* configuration */
$config = array('graphviz_path' => 'dot', 'graphviz_temp' => '/tmp/', 'ns' => $this->namespaces);
/* instantiation */
$viz = ARC2::getComponent('TriplesVisualizerPlugin', $config);
foreach ($this->namespaces as $key => $uri) {
$prefix .= "PREFIX " . $key . ": <" . $uri . ">";
}
if (isset($_POST['query'])) {
$_POST['query'] = $prefix . "\n\t\t\t" . $_POST['query'];
}
$query = "SELECT * WHERE {\n\t\t\t?s rdf:type owl:Class .\n\t\t\t?s ?p ?o .\n\t\t\tFILTER(!(?p=<http://www.pmbservices.fr/ontology#displayLabel>)) \n\t\t\tFILTER(!(?p=<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>)) \t\n\t\t}";
$classes = $store->query($query, 'rows');
$query = "SELECT * WHERE {\n\t\t\t?s rdf:type owl:ObjectProperty .\n\t\t\t?s ?p ?o .\n\t\t\tFILTER(!(?p=<http://www.pmbservices.fr/ontology#displayLabel>))\n\t\t\tFILTER(!(?p=<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>))\n\t\t\tFILTER(!(?p=<http://www.pmbservices.fr/ontology#datatype>))\n\t\t}";
$properties = $store->query($query, 'rows');
/* display an svg image */
$svg = $viz->draw(array_merge($classes, $properties), 'svg', 'raw');
print $svg;
}
/**
* addSubNegotiatorsByTest
* @param string $testStr
*/
public function addSubNegotiatorsByTest($testStr, $negsToTestArray = false)
{
$nArray = $this->selector->applyTestOnNegotiators($testStr, $negsToTestArray);
foreach ($nArray as $n) {
$this->subNegotiators[$n] = ARC2::getComponent($n);
}
}
public function testAddResource()
{
$conf = array('ns' => array('rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', 'dbpedia' => 'http://dbpedia.org/ontology/', 'foaf' => 'http://xmlns.com/foaf/0.1/', 'xsd' => 'http://www.w3.org/2001/XMLSchema#', 'dcterms' => 'http://purl.org/dc/terms/'));
$g = ARC2::getComponent('PMJ_ResourceGraphPlugin', $conf);
$r1 = $this->getRes1();
$g->addResource($r1);
$r2 = $this->getRes2();
$g->addResource($r2);
//is it there?
$this->assertEquals(2, $g->resourceCount());
//did I avoid duplicates?
$g->addResource($r1);
$this->assertEquals(2, $g->resourceCount());
//are the resources merging?
$r1tripleCount = $g->resources['http://example.info/resourceplus1']->triplesCount();
$r3 = $this->getRes1();
$r3->addPropValue('rdfs:type', 'foaf:Group');
$g->addResource($r3);
$this->assertEquals($r1tripleCount + 1, $g->resources['http://example.info/resourceplus1']->triplesCount());
}
function getSPARQLScriptProcessor($a = '')
{
return ARC2::getComponent('SPARQLScriptProcessor', $a);
}
function __init()
{
$csIndex = array();
$CSNS = 'http://purl.org/vocab/changeset/schema#';
$utils = ARC2::getComponent('ARC2_IndexUtilsPlugin');
// Get the triples to be added
$additions = !empty($this->before) ? $utils->diff($this->after, $this->before) : $this->after;
//Get the triples to be removed
$removals = !empty($this->after) ? $utils->diff($this->before, $this->after) : $this->before;
// Get an array of all the subject uris
$subjectIndex = array_merge(array_keys($this->before), array_keys($this->after));
// Get the metadata for all the changesets
$date = !empty($this->a['createdDate']) ? $this->a['createdDate'] : date(DATE_ATOM);
$creator = !empty($this->a['creatorName']) ? $this->a['creatorName'] : 'Talis ChangeSet Builder plugin';
$reason = !empty($this->a['changeReason']) ? $this->a['changeReason'] : 'Change using Talis ChangeSet Builder plugin';
// for every subject uri, create a new changeset
$n = count($subjectIndex);
for ($i = 0; $i < $n; $i++) {
$csID = '_:cs' . $i;
$csIndex[$subjectIndex[$i]] = $csID;
$this->addT($csID, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $CSNS . 'ChangeSet', 'uri');
$this->addT($csID, $CSNS . 'subjectOfChange', $subjectIndex[$i], 'uri');
$this->addT($csID, $CSNS . 'createdDate', $date, 'literal');
$this->addT($csID, $CSNS . 'creatorName', $creator, 'literal');
$this->addT($csID, $CSNS . 'changeReason', $reason, 'literal');
/* add extra user-given properties to each changeset*/
if (!empty($this->a['properties'])) {
foreach ($this->a['properties'] as $p => $objs) {
$this->addT($csID, $p, $objs);
}
}
}
/*iterate through the triples to be added,
reifying them,
and linking to the Statements from the appropriate changeset
*/
$reifiedAdditions = $utils->reify($additions, 'Add');
foreach ($reifiedAdditions as $nodeID => $props) {
$subject = $props['http://www.w3.org/1999/02/22-rdf-syntax-ns#subject'][0]['value'];
$csID = $csIndex[$subject];
$this->addT($csID, $CSNS . 'addition', $nodeID, 'bnode');
// if dc:source is given in the instantiating arguments, add it to the statement as provenance
if (isset($this->a['http://purl.org/dc/terms/source'])) {
$this->addT($nodeID, 'http://purl.org/dc/terms/source', $this->a['http://purl.org/dc/terms/source'], 'uri');
}
}
/*iterate through the triples to be removed,
reifying them,
and linking to the Statements from the appropriate changeset
*/
$reifiedRemovals = $utils->reify($removals, 'Remove');
foreach ($reifiedRemovals as $nodeID => $props) {
$subject = $props['http://www.w3.org/1999/02/22-rdf-syntax-ns#subject'][0]['value'];
$csID = $csIndex[$subject];
$this->addT($csID, $CSNS . 'removal', $nodeID, 'bnode');
}
foreach ($this->__index as $uri => $props) {
if (!isset($props[$CSNS . 'removal']) and !isset($props[$CSNS . 'addition'])) {
unset($this->__index[$uri]);
}
}
$this->__index = $utils->merge($this->__index, $reifiedAdditions, $reifiedRemovals);
parent::__init();
}
$rjson = stripslashes($_POST['rJSON']);
$robj = json_decode($rjson);
if ($robj == null) {
echo 'fail rubric';
echo $rjson;
die;
}
$cjson = stripslashes($_POST['cJSON']);
$cobj = json_decode($cjson);
if ($cobj == null) {
echo 'fail context';
echo $cjson;
die;
}
$cURIs = array();
$newContextsGraph = ARC2::getComponent('PMJ_ResourceGraphPlugin', $config);
foreach ($cobj as $key => $newContextObj) {
$newContext = new Context($newContextObj);
$newContext->buildPrivateGraph();
$newCURI = $newContext->uri;
$newContextsGraph->mergeResourceGraph($newContext->graph);
if (in_array($key, $robj->rubricMeta[4]->rContexts)) {
$cURIs[] = urldecode($newCURI);
}
}
foreach ($robj->rubricMeta[4]->rContexts as $val) {
if (substr($val, 0, 3) != 'new') {
$cURIs[] = urldecode($val);
}
}
$robj->rubricMeta[4]->rContexts = $cURIs;
protected function getStore()
{
$url = $this->getSparqlUrl();
if (!empty($url)) {
$config = array('endpoint_url' => $url);
return ARC2::getComponent('RemoteEndpointPlugin', $config);
}
drupal_set_message("Configuration error: remote endpoint url is empty for module " . $this->moduleName, 'error');
return NULL;
}
/**
* Serialise the graph to N-Triples
* @see http://www.w3.org/TR/rdf-testcases/#ntriples
* @return string the N-Triples version of the graph
*/
function to_ntriples()
{
$serializer = ARC2::getComponent('NTriplesSerializer', array());
return $serializer->getSerializedIndex($this->_to_arc_index($this->_index));
}
public function extractGraphAroundProp($pURI)
{
global $graphConfig;
$pURI = $this->expandPName($pURI);
$index = array();
foreach ($this->resources as $res) {
if ($res->hasProp($pURI)) {
$index[$res->uri] = array();
$index[$res->uri][$pURI][] = $res->getProp($pURI);
}
}
$retGraph = ARC2::getComponent('PMJ_ResourceGraphPlugin', $graphConfig);
$retGraph->mergeIndex($index);
return $retGraph;
}
function toExhibitJSON()
{
$ser = ARC2::getComponent('ARC2_ExhibitJsonSerializerPlugin', array('ns' => $this->ns));
return $ser->getSerializedIndex($this->index);
}
function make_rdf_model($triples)
{
$parser = ARC2::getComponent('RDFXMLParser');
$index = ARC2::getSimpleIndex($triples, false);
/* false -> non-flat version */
$rdf_doc = $parser->toRDFXML($index);
$filename = S3DB_SERVER_ROOT . '/tmp/' . md5(rand(10000, 200000));
$rr = fopen($filename, 'a+');
fwrite($rr, $rdf_doc);
fclose($rr);
return $filename;
}
<?php
include_once '../ARC2.php';
$parser = ARC2::getRDFParser();
/*
$parser->parse('http://dbpedia.org/resource/DBpedia');
$index = $parser->getSimpleIndex(0);
file_put_contents('dbpediaIndex.txt', serialize($index));
*/
$index = unserialize(file_get_contents('dbpediaIndex.txt'));
$conf = array('ns' => array('rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', 'dbpedia-owl' => 'http://dbpedia.org/ontology/', 'foaf' => 'http://xmlns.com/foaf/0.1/', 'xsd' => 'http://www.w3.org/2001/XMLSchema#', 'dcterms' => 'http://purl.org/dc/terms/', 'dbpprop' => 'http://dbpedia.org/property/', 'dbpres' => 'http://dbpedia.org/resource/', 'yago' => 'http://mpii.de/yago/resource/', 'owl' => 'http://www.w3.org/2002/07/owl#'));
$g = ARC2::getComponent('PMJ_ResourceGraphPlugin', $conf);
$g->mergeIndex($index);
$g->removeResourcesWithProp('dbpprop:redirect');
$g->removeResourcesByNameSpace('yago');
echo $g->resourceCount();
echo "<br/><br/>";
echo $g->triplesCount();
echo "<br/><br/>";
$isProductOfs = $g->getResourcesWithProp('dbpprop:products', true);
echo $g->toTurtle();
/*
foreach($isProductOfs as $producer) {
$parser->parse($producer);
$g->mergeIndex($parser->getSimpleIndex(0));
}
*/
$dbpediaRes = $g->getResource('dbpres:DBpedia');
$dbpediaSameAs = $dbpediaRes->getProps('owl:sameAs');
print_r($dbpediaSameAs);
protected function _getEmptyResource()
{
global $graphConfig;
return ARC2::getComponent('PMJ_ResourcePlusPlugin', $graphConfig);
}
function sparql($I)
{
##Parse the query and build the dataset
#global $timer;
if (is_file(S3DB_SERVER_ROOT . '/pearlib/Benchmark/Timer.php')) {
require_once S3DB_SERVER_ROOT . '/pearlib/Benchmark/Timer.php';
$timer = new Benchmark_Timer();
$timer->start();
}
extract($I);
##To use SPARQL with ARC library, we will need it to work with a remote endpoint. That means that we do not want to configure ARC as a datastore, but rather to retrieve the data from s3db deployments, convert it to RDF and then use ARC to run the query on it
/* ARC2 static class inclusion */
ini_set("include_path", S3DB_SERVER_ROOT . "/pearlib/arc" . PATH_SEPARATOR . ini_get("include_path"));
include_once "ARC2.php";
$s3ql['url'] = $in['url'] != '' ? $in['url'] : $default_uri;
$s3ql['key'] = $in['key'] != '' ? $in['key'] : get_user_key($user_id, $db);
$q = $in['query'];
list($query, $triples, $prefixes) = parse_sparql_query($q, $s3ql);
$bq .= "PREFIX " . implode("\n PREFIX ", $query['prefix']) . "\n ";
$bq .= "SELECT " . $query['select'][0] . "\n ";
$bq .= "FROM" . implode(" FROM ", $query['from']) . "\n ";
$bq .= "WHERE " . $query['where'][0] . "\n ";
preg_match_all('(\\?[A-Za-z0-9]+) ', $bq, $vars);
if ($vars[0]) {
$vars = array_unique($vars[0]);
$sparql_vars = implode(" ", $vars);
}
if ($query['select'][0] != "" && $query['select'][0] != "*") {
$outputCols = explode(" ", trim($query['select'][0]));
$outputCols = array_filter($outputCols);
$outputCols = array_intersect($vars, $outputCols);
}
$sparql = ereg_replace("FROM(.*)WHERE", "WHERE", $bq);
#lets preprocess the order by which the must be queries must be performed to optimize speedness
list($iterations, $scrambled) = iterationOrder($triples, $prefixes, true);
##$rdf_results will contain the totality of triples retrieved from s3db;
##Start a rdf-api model
$iterations = array_values($iterations);
$rdf = S3DB_URI_BASE . '/s3dbcore/model.n3';
#base s3db rdf model
$filename = md5($rdf);
$file_place = $GLOBALS['uploads'] . '/';
#$queryModel = rdf2php($rdf);
#$data = $queryModel->sparqlQuery($sparql);
#echo '<pre>';print_r($data);exit;
if ($timer) {
$timer->setMarker('Core model read into results');
}
$rdf_results = array();
$performedQueries = array();
$r = 0;
foreach ($iterations as $it => $triples2query) {
$S3QL = array();
$S3QLfinal = array();
foreach ($triples2query as $i => $tripleInd) {
$tripleString = $tripleInd;
list($subject, $predicate, $object) = explode(' ', trim($tripleString));
$subject = ereg_replace('^<|>$', '', $subject);
$predicate = ereg_replace('^<|>$', '', $predicate);
$object = ereg_replace('^<|>$', '', $object);
$triple = compact('subject', 'predicate', 'object');
#sparql triple is used to calculate the values of the variables in the triple
#$sparql_triple = $sparql_prefixes_default.' SELECT * WHERE { '.ltrim($tripleString).' . }';
#now lets interpret the triple to explore the space of possible queries on S3QL
$pack = compact('triple', 's3ql', 'user_id', 'db', 'prefixes', 'varType', 'discoveredData', 'it', 'varTypeWhere', 'collected_data', 'performedQueries');
$sp = sparql_navigator($pack);
extract($sp);
# if($timer) $timer->setMarker('Built query '.$i);
##Remove queries that were already performed
if ($S3QL[0]) {
foreach ($S3QL as $s => $q) {
$S3QLfinal[] = $q;
$queried_elements[] = $element[$s];
}
$localQueries[$tripleString] = $localQueries[0];
$remoteQueries[$tripleString] = $remoteQueries[0];
$localQueries = array_filter($localQueries);
$remoteQueries = array_filter($remoteQueries);
}
}
$S3QL = $S3QLfinal;
##Remove repeated queries
$S3QL = array_unique($S3QL);
#if only the s3ql is requested, we can return it now
if ($in['output'] == 'S3QL') {
foreach ($localQueries as $sparqlVersion => $s3qlVersion) {
$Q[]['S3QL'] = S3QLQuery($s3qlVersion);
}
foreach ($remoteQueries as $rq) {
$Q[]['S3QL'] = $rq;
}
$root = 's3ql';
#root is just the word that xml should parse as the root for each entry
$data = $Q;
$cols = array('S3QL');
$format = $in['format'] == '' ? 'html' : $in['format'];
$z = compact('data', 'cols', 'format', 'root');
$out = outputFormat($z);
return array(true, $out);
}
#If paralel library is activated, use it for the data. Otherwise use the custom version
#$query_answers_file = 'sparql_query_ans'.rand(100,200); $a=fopen($query_answers_file, 'a');
if (!empty($S3QL)) {
if (extension_loaded('curl') && $goparallel) {
// Create cURL handlers
if ($timer) {
$timer->setMarker('Starting queries from group ' . $it);
}
foreach ($S3QL as $k => $url) {
$qURL = $url;
$ch[$k] = curl_init();
// Set options
curl_setopt($ch[$k], CURLOPT_URL, $qURL . '&format=php');
curl_setopt($ch[$k], CURLOPT_RETURNTRANSFER, 1);
}
$mh = curl_multi_init();
foreach ($S3QL as $k => $url) {
curl_multi_add_handle($mh, $ch[$k]);
}
$running = null;
do {
curl_multi_exec($mh, $running);
if ($timer) {
$timer->setMarker('Query ' . $k . ' of group ' . $it . ' executed');
}
} while ($running > 0);
foreach ($S3QL as $k => $url) {
$answer[$k] = curl_multi_getcontent($ch[$k]);
if (!empty($answer[$k])) {
#@fwrite($a, $answer[$k]);
##This is what takes the longest after the query, can it be replaced?
$ans = unserialize($answer[$k]);
$letter = $queried_elements[$r][0];
if (empty($ans)) {
##is this query part is not optional, then the result will be null
##TO BE DEVELOPED SOON
} else {
$rdf_results[$letter][] = $ans;
}
$r++;
##Add the triples to already existing triples
#Line up the answer with the model
if ($timer) {
$timer->setMarker('Query ' . $it . '=>' . $k . ' converted to php ');
}
}
}
curl_multi_close($mh);
####Time count
#$time_end = microtime(true);
#$time = $time_end - $time_start;
#echo "Query took ".$time." seconds\n";exit;
###
} else {
#Now solve the remaining triples with the constants found in this one
if (is_array($localQueries) && !empty($localQueries)) {
foreach ($localQueries as $sparql_triple => $s3ql) {
$s3ql = array_filter(array_diff_key($s3ql, array('url' => '')));
$answer = localQ($s3ql);
if (!empty($answer)) {
$rdfanswer = rdf2php($answer);
#Line up the answer with the model
$queryModel->addModel($rdfanswer);
#Now perform the query on the small model to find a constant for the remaining queries
#list($data,$discovered, $discoveredData,$queryModel) = executeQuery($queryModel,$sparql_triple,$discovered,$format);
}
}
}
if (is_array($remoteQueries) && !empty($remoteQueries)) {
foreach ($remoteQueries as $remoteQuery) {
$answer = remoteQ($remoteQuery);
if (!empty($answer)) {
$rdfanswer = rdf2php($answer);
#Line up the answer with the model
$queryModel->addModel($rdfanswer);
#Now perform the query on the small model to find a constant for the remaining queries
#list($data,$discovered, $discoveredData,$queryModel) = executeQuery($queryModel,$sparql_triple,$discovered,$format);
}
}
}
}
}
}
##Get the data from the file
##Now, add the dictionary data
if ($complete) {
include_once S3DB_SERVER_ROOT . '/s3dbcore/dictionary.php';
$s3qlN = compact('user_id', 'db');
$s3qlN['from'] = 'link';
$s3qlN['format'] = 'php';
$links = query_user_dictionaries($s3qlN, $db, $user_id);
$links = unserialize($links);
$rdf_results['E'][0] = $links;
$s3qlN = compact('user_id', 'db');
$s3qlN['from'] = 'namespaces';
$s3qlN['format'] = 'php';
$ns = query_user_dictionaries($s3qlN, $db, $user_id);
$ns = unserialize($ns);
if ($timer) {
$timer->setMarker('Dictionary links retrieved');
}
}
##Convert the result into an RDF file
$data_triples = array();
if (is_array($rdf_results)) {
foreach ($rdf_results as $letter => $results2rdfize) {
$dont_skip_core_name = false;
$dont_skip_serialized = true;
if (ereg('S', $letter)) {
$dont_skip_serialized = false;
}
if (ereg('C|R|P', $letter)) {
$dont_skip_core_name = true;
}
foreach ($results2rdfize as $k => $data) {
$tmp_triples = rdf_encode($data, $letter, 'array', $s3ql['db'], $ns, $collected_data, $dont_skip_serialized, $dont_skip_core_name);
if (is_array($tmp_triples)) {
$data_triples = array_merge($data_triples, $tmp_triples);
}
}
}
}
if (!empty($data_triples)) {
$tmp['ns'] = $prefixes;
/*
#this one for turtle
$parser = ARC2::getComponent('TurtleParser', $a);
$index = ARC2::getSimpleIndex($triples, false) ; # false -> non-flat version
$rdf_doc = $parser->toTurtle($index,$prefixes);
*/
$parser = ARC2::getComponent('RDFXMLParser', $tmp);
$index = ARC2::getSimpleIndex($data_triples, false);
/* false -> non-flat version */
$rdf_doc = $parser->toRDFXML($index, $prefixes);
$filename = S3DB_SERVER_ROOT . '/tmp/' . random_string(15) . '.rdf';
$rr = fopen($filename, 'a+');
fwrite($rr, $rdf_doc);
fclose($rr);
if ($timer) {
$timer->setMarker(count($data_triples) . ' triples written to file ' . $filename);
}
##The better strategy would be to let the client cpu resolve the query; return the graphs with the rdf so that a sparql on the client can handle it
if ($return_file_name) {
if (filesize($filename) > 0) {
return array(true, $filename);
} else {
return array(false);
}
exit;
}
if ($redirect) {
##And now use an external service ( I gave up with ARC) to parse the query
$url2search = str_replace(S3DB_SERVER_ROOT, S3DB_URI_BASE, $filename);
##Giving up on ARC, surrender to sparql.com
$remote_endpoint = "http://sparql.org/sparql?query=";
$bq = ereg_replace("FROM <.*>", "FROM <" . $url2search . ">", $bq);
$bq = urlencode($bq);
$remote_endpoint .= $bq . '&default-graph-uri=&stylesheet=/xml-to-html.xsl';
return array(true, $remote_endpoint);
}
#echo $filename;exit;
#And finally perform the query on the model.
$queryModel = rdf2php($filename);
$format = $in['format'] != '' ? $in['format'] : 'html';
unlink($filename);
if ($timer) {
$timer->setMarker('Data converted to a model the rdf-api can query');
}
if (eregi('^(sparql-xml|sparql-html)$', $format)) {
switch ($format) {
case 'sparql-xml':
$result = $queryModel->sparqlQuery($sparql, 'XML');
break;
case 'sparql-html':
$result = $queryModel->sparqlQuery($sparql, 'HTML');
if ($_REQUEST['su3d']) {
$timer->stop();
$profiling = $timer->getProfiling();
echo "Query took " . $profiling[count($profiling) - 1]['total'] . ' sec';
}
break;
}
if ($result) {
return array(true, $result);
} else {
return false;
}
} elseif ($format == 'html.form') {
$form .= '
<html>
<head>
</head><body>
<form method="GET" action="sparql.php" id="sparqlform">
<h5>Target Deployment(s)</h5>
<input type="hidden" name="key" value="' . $s3ql['key'] . '"/>
<input type="hidden" name="format" value="' . $_REQUEST['format'] . '"/>
<input type = "text" id="url" size = "100%" value="' . $GLOBALS['url'] . '" name="url">
<h5>SPARQL <a href="http://www.w3.org/TR/rdf-sparql-query/" target="_blank">(help!!)</a></h5>
<br />
<textarea cols="100" id="sparql" rows="10" name = "query">' . stripslashes($sparql) . '</textarea><br />
<input type="submit" value="SPARQL this!" id="submitsparql"></body>
</form>
';
$form .= '<br />' . count($data) . " rows";
$form .= '<br />Query took ' . (strtotime(date('His')) - $start) . ' sec';
if (count($data) > 0) {
return array(true, $form);
} else {
return array(false);
}
} else {
#and output the result according to requested format
$data = $queryModel->sparqlQuery($sparql);
if ($timer) {
$timer->setMarker('Query on SPARQL data executed by rdf-api.');
}
if (is_array($outputCols) && !empty($outputCols)) {
##only this one are to be shown in the final result
$vars = $outputCols;
}
$cleanCols = array();
foreach ($vars as $varname) {
$cleanCols[] = ereg_replace('^\\?', '', $varname);
}
$outputData = array();
if (is_array($data)) {
foreach ($data as $s => $sparql_line) {
foreach ($sparql_line as $sparql_var => $sparql_var_value) {
if ($sparql_var_value->uri != '') {
$outputData[$s][ereg_replace('^\\?', '', $sparql_var)] = $sparql_var_value->uri;
} elseif ($sparql_var_value->label != '') {
$outputData[$s][ereg_replace('^\\?', '', $sparql_var)] = $sparql_var_value->label;
} else {
$outputData[$s][ereg_replace('^\\?', '', $sparql_var)] = "";
}
}
}
}
if ($timer) {
$timer->setMarker('Data converted in a format that fun outputformat can read');
}
#$timer ->display();
#root is just the word that xml should parse as the root for each entry
$root = 'sparql';
if ($timer) {
$timer->setMarker('All variables fitted into their places to represent in the final output');
}
$data = $outputData;
$cols = $cleanCols;
if ($_REQUEST['su3d']) {
$timer->stop();
$profiling = $timer->getProfiling();
echo "Query took " . $profiling[count($profiling) - 1]['total'] . ' sec<br>';
}
$z = compact('data', 'cols', 'format', 'root');
$out = outputFormat($z);
echo $out;
exit;
if (count($data) > 0) {
return array(true, $out);
} else {
return array(false);
}
}
} else {
return array(false);
}
#else {
#$out= formatReturn($GLOBALS['error_codes']['no_results'], 'Your query did not return any results.', $format,'');
#}
}
<?php
define('_Transformr', true);
include_once '../app/config.php';
include_once '../app/arc/ARC2.php';
$arc_config = array('db_host' => $host, 'db_user' => $user, 'db_pwd' => $passwd, 'db_name' => $dbname, 'store_name' => $storename, 'endpoint_features' => array('ask', 'select', 'describe', 'construct', 'delete'), 'endpoint_timeout' => 60, 'endpoint_max_limit' => 1000, 'serializer_type_nodes' => 1, 'endpoint_write_key' => $writekey);
/* init */
$endpoint = ARC2::getComponent('StoreTemplatePlugin', $arc_config);
if (!$endpoint->isSetUp()) {
$endpoint->setUp();
/* create tables */
}
/* go */
print $endpoint->go();
