PHP EasyRdf_Graph::newAndLoad方法代码示例

 /**
  * Seed the themes
  *
  * return @void
  */
 private function seedThemes()
 {
     $this->info('---- Seeding new themes ----');
     $base_uri = $this->argument('uri');
     $taxonomy_uri = $this->argument('taxonomy_uri');
     if (empty($taxonomy_uri)) {
         $taxonomy_uri = $base_uri;
     }
     // Try to get the themes from the ns.thedatatank.com (semantic data)
     try {
         $this->info('Trying to fetch triples from the uri: ' . $base_uri);
         $themes_graph = \EasyRdf_Graph::newAndLoad($base_uri);
         if ($themes_graph->isEmpty()) {
             $this->info('We could not reach the online themes.');
         } else {
             $this->info('Found new themes online, removing the old ones.');
             // Empty the themes table
             \Theme::truncate();
         }
         // Fetch the resources with a skos:conceptScheme relationship
         $resources = $themes_graph->allOfType('skos:ConceptScheme');
         $taxonomy_uris = array();
         foreach ($resources as $r) {
             array_push($taxonomy_uris, $r->getUri());
         }
         if (!empty($taxonomy_uris)) {
             if (count($taxonomy_uris) == 1) {
                 $taxonomy_uri = $taxonomy_uris[0];
             } else {
                 // Check if one of the possible taxonomy uris compares to the uri of the document
                 foreach ($taxonomy_uris as $tax_uri) {
                     if ($base_uri == $tax_uri) {
                         $taxonomy_uri = $tax_uri;
                         break;
                     }
                     $this->error('None of the URIs that have the skos:ConceptScheme property matched the URI of the document, please specify the taxonomy URI as a second parameter.');
                 }
             }
         } else {
             $this->error('No resource has been found with a property of skos:ConceptScheme.');
         }
         // Fetch all of the themes
         foreach ($themes_graph->resourcesMatching('skos:inScheme') as $theme) {
             if ($theme->get('skos:inScheme')->getUri() == $taxonomy_uri) {
                 $uri = $theme->getUri();
                 $label = $theme->getLiteral('rdfs:label');
                 if (!empty($label) && !empty($uri)) {
                     $label = $label->getValue();
                     $this->info('Added ' . $uri . ' with label ' . $label);
                     \Theme::create(array('uri' => $uri, 'label' => $label));
                 }
             }
         }
         $this->info('Added new themes.');
     } catch (EasyRdf_Exception $ex) {
         $this->info('An error occurred when we tried to fetch online themes.');
     }
 }

 public function indexAction()
 {
     $foaf = \EasyRdf_Graph::newAndLoad('http://njh.me/foaf.rdf');
     $me = $foaf->primaryTopic();
     \EasyRdf_Namespace::set('category', 'http://dbpedia.org/resource/Category:');
     \EasyRdf_Namespace::set('dbpedia', 'http://dbpedia.org/resource/');
     \EasyRdf_Namespace::set('dbo', 'http://dbpedia.org/ontology/');
     \EasyRdf_Namespace::set('dbp', 'http://dbpedia.org/property/');
     $sparql = new \EasyRdf_Sparql_Client('http://dbpedia.org/sparql');
     $result = $sparql->query('SELECT * WHERE {' . '  ?country rdf:type dbo:Country .' . '  ?country rdfs:label ?label .' . '  ?country dc:subject category:Member_states_of_the_United_Nations .' . '  FILTER ( lang(?label) = "en" )' . '} ORDER BY ?label');
     return $this->render('MyAppBlogBundle:Default:index.html.twig', array('name' => $result, 'count' => $result->numRows()));
 }

 /**
  * Seed the themes
  *
  * return @void
  */
 private function seedThemes()
 {
     $this->command->info('---- DCAT Themes ----');
     $uri = 'http://ns.thedatatank.com/dcat/themes#Taxonomy';
     $themes_fetched = false;
     // Try to get the themes from the ns.thedatatank.com (semantic data)
     try {
         $this->command->info('Trying to fetch new themes online.');
         $themes_graph = \EasyRdf_Graph::newAndLoad($uri);
         if ($themes_graph->isEmpty()) {
             $this->command->info('We could not reach the online themes.');
         } else {
             $themes_fetched = true;
             $this->command->info('Found new themes online, removing the old ones.');
             // Empty the themes table
             \Theme::truncate();
         }
         // Fetch all of the themes
         foreach ($themes_graph->resourcesMatching('skos:inScheme') as $theme) {
             if ($theme->get('skos:inScheme')->getUri() == $uri) {
                 $theme_uri = $theme->getUri();
                 $label = $theme->getLiteral('rdfs:label');
                 if (!empty($label) && !empty($theme_uri)) {
                     $label = $label->getValue();
                     $this->command->info('Added ' . $uri . ' with label ' . $label);
                     \Theme::create(array('uri' => $theme_uri, 'label' => $label));
                 }
             }
         }
         $this->command->info('Added new themes.');
     } catch (EasyRdf_Exception $ex) {
         $this->command->info('An error occurred when we tried to fetch online themes.');
     }
     // If it's not available, get them from a file (json)
     if (!$themes_fetched) {
         $this->command->info('Trying to fetch the themes from the local json file containing a default set of themes.');
         $themes = json_decode(file_get_contents(app_path() . '/database/seeds/data/themes.json'));
         if (!empty($themes)) {
             $this->command->info('Found new themes, removing the old ones.');
             // Empty the themes table
             \Theme::truncate();
             foreach ($themes as $theme) {
                 \Theme::create(array('uri' => $theme->uri, 'label' => $theme->label));
             }
             if (!empty($themes)) {
                 $this->command->info('Added themes from the local json file.');
             }
         } else {
             $this->command->info('No themes were found in the local json file, the old ones will not be replaced.');
         }
     }
 }

 private function makeSemanticResponse($uri)
 {
     try {
         $graph = new \EasyRdf_Graph();
         if (substr($uri, 0, 4) == "http") {
             $graph = \EasyRdf_Graph::newAndLoad($uri);
         } else {
             $graph->parseFile($uri, 'jsonld');
         }
     } catch (\Exception $ex) {
         \App::abort(500, "The JSON-LD reader couldn't parse the document, the exception message we got is: " . $ex->getMessage());
     }
     // Return the data object with the graph
     $data = new Data();
     $data->data = $graph;
     $data->is_semantic = true;
     $data->preferred_formats = ['jsonld', 'ttl', 'rdf'];
     return $data;
 }

 public function readData($source_definition, $rest_parameters = array())
 {
     $uri = $source_definition['uri'];
     // If the parsing in the document fails, a JsonLdException is thrown
     try {
         $graph = new \EasyRdf_Graph();
         if (substr($uri, 0, 4) == "http") {
             $graph = \EasyRdf_Graph::newAndLoad($uri);
         } else {
             $graph->parseFile($uri, 'jsonld');
         }
     } catch (\Exception $ex) {
         \App::abort(500, "The JSON LD reader couldn't parse the document, the exception message we got is: " . $ex->getMessage());
     }
     // Return the data object with the graph
     $data = new Data();
     $data->data = $graph;
     $data->is_semantic = true;
     $data->preferred_formats = $this->getPreferredFormats();
     return $data;
 }

 public function indexAction()
 {
     $product = new Product();
     for ($i = 0; $i < 100; $i++) {
         $product->setName('Foo Bar  : ' . rand(0, 100));
         $product->setPrice(rand(0, 1000));
         $dm = $this->get('doctrine_mongodb')->getManager();
         $dm->persist($product);
         $dm->flush();
     }
     $foaf = \EasyRdf_Graph::newAndLoad('http://njh.me/foaf.rdf');
     $me = $foaf->primaryTopic();
     \EasyRdf_Namespace::set('category', 'http://dbpedia.org/resource/Category:');
     \EasyRdf_Namespace::set('dbpedia', 'http://dbpedia.org/resource/');
     \EasyRdf_Namespace::set('dbo', 'http://dbpedia.org/ontology/');
     \EasyRdf_Namespace::set('dbp', 'http://dbpedia.org/property/');
     $sparql = new \EasyRdf_Sparql_Client('http://dbpedia.org/sparql');
     $result = $sparql->query('SELECT * WHERE {' . '  ?country rdf:type dbo:Country .' . '  ?country rdfs:label ?label .' . '  ?country dc:subject category:Member_states_of_the_United_Nations .' . '  FILTER ( lang(?label) = "en" )' . '} ORDER BY ?label');
     $repository = $this->get('doctrine_mongodb')->getManager()->getRepository('MyAppBlogBundle:Product');
     return $this->render('MyAppBlogBundle:Default:index.html.twig', array('name' => $result, 'count' => $result->numRows(), 'products' => $repository->findAll()));
 }

 * Script to update test cases from rdfa.info
 *
 * @package    EasyRdf
 * @copyright  Copyright (c) 2012-2013 Nicholas J Humfrey
 * @license    http://www.opensource.org/licenses/bsd-license.php
 */
set_include_path(get_include_path() . PATH_SEPARATOR . './lib/');
require_once "EasyRdf.php";
$RDFA_VERSION = 'rdfa1.1';
$HOST_LANGUAGE = 'xhtml5';
$REFERENCE_DISTILLER = 'http://www.w3.org/2012/pyRdfa/extract?format=nt&rdfagraph=output&uri=';
$FIXTURE_DIR = dirname(__FILE__);
EasyRdf_Namespace::set('test', 'http://www.w3.org/2006/03/test-description#');
EasyRdf_Namespace::set('rdfatest', 'http://rdfa.info/vocabs/rdfa-test#');
$client = new EasyRdf_Http_Client();
$manifest = EasyRdf_Graph::newAndLoad('http://rdfa.info/test-suite/manifest.ttl');
foreach ($manifest->allOfType('test:TestCase') as $test) {
    if (!in_array($RDFA_VERSION, $test->all('rdfatest:rdfaVersion'))) {
        continue;
    }
    if (!in_array($HOST_LANGUAGE, $test->all('rdfatest:hostLanguage'))) {
        continue;
    }
    if ($test->get('test:classification')->shorten() != 'test:required') {
        continue;
    }
    $id = $test->localName();
    $title = $test->get('dc:title');
    $escapedTitle = addcslashes($title, '\'');
    # Download the test input
    $inputUri = "http://rdfa.info/test-suite/test-cases/{$RDFA_VERSION}/{$HOST_LANGUAGE}/{$id}.xhtml";

 * A new EasyRdf_Graph object is created and then the contents
 * of my FOAF profile is loaded from the web. An EasyRdf_Resource for
 * the primary topic of the document (me, Nicholas Humfrey) is returned
 * and then used to display my name.
 *
 * @package    EasyRdf
 * @copyright  Copyright (c) 2009-2013 Nicholas J Humfrey
 * @license    http://unlicense.org/
 */
set_include_path(get_include_path() . PATH_SEPARATOR . '../lib/');
require_once "./lib/EasyRdf.php";
?>
<html>
<head>
  <title>Basic FOAF example</title>
</head>
<body>

<?php 
$foaf = EasyRdf_Graph::newAndLoad('http://njh.me/foaf.rdf');
$me = $foaf->primaryTopic();
?>

<p>
  My name is: <?php 
echo $me->get('foaf:name');
?>
</p>

</body>
</html>

 private function fetchResourceFromUri($uri)
 {
     try {
         // change the timeout setting for external requests
         $httpclient = EasyRdf_Http::getDefaultHttpClient();
         $httpclient->setConfig(array('timeout' => $this->getConfig()->getHttpTimeout()));
         EasyRdf_Http::setDefaultHttpClient($httpclient);
         $client = EasyRdf_Graph::newAndLoad(EasyRdf_Utils::removeFragmentFromUri($uri));
         return $client->resource($uri);
     } catch (Exception $e) {
         return null;
     }
 }

 /**
  * Fetch the default licenses
  *
  * @return \EasyRdf_Graph
  */
 private function fetchDefaultGraph()
 {
     $license_uri = $this->licenses_uri . $this->DEFAULT_LICENSE . '.json';
     return \EasyRdf_Graph::newAndLoad($license_uri, 'jsonld');
 }

<html>
<head>
  <title>EasyRdf RSS 1.0 Parsing example</title>
	<meta http-equiv="content-type" content="text/html; charset=utf-8" />
</head>
<body>
<h1>EasyRdf RSS 1.0 Parsing example</h1>

<?php 
echo form_tag();
echo text_field_tag('uri', 'http://planetrdf.com/index.rdf', array('size' => 50));
echo submit_tag();
echo form_end_tag();
?>

<?php 
if (isset($_REQUEST['uri'])) {
    $graph = EasyRdf_Graph::newAndLoad($_REQUEST['uri'], 'rdfxml');
    $channel = $graph->get('rss:channel', '^rdf:type');
    print "<p>Channel: " . link_to($channel->label(), $channel->get('rss:link')) . "</p>\n";
    print "<p>Description: " . $channel->get('rss:description') . "</p>\n";
    print "<ol>\n";
    foreach ($channel->get('rss:items') as $item) {
        print "<li>" . link_to($item->get('rss:title'), $item) . "</li>\n";
    }
    print "</ol>\n";
}
?>
</body>
</html>

<hr/>

  <section class="content-box">
      <!-- metadata about the RDF document/record that describes the resource -->
      <h2>Provenance of record</h2>

      <?php 
$record = $graph->resource('http://jacobshelby.org/examples/linkedData/catalog_001.rdf');
$creator = $record->get('dcterms:creator');
?>

       <ul>
        <li><strong>Creator</strong></li>
        <?php 
$creatorResource = str_replace("/me", "/jacobShelby.rdf", $creator);
$creatorGraph = EasyRdf_Graph::newAndLoad($creatorResource);
$creatorRecord = $creatorGraph->resource($creator);
$creatorName = $creatorRecord->get('schema:name');
echo "<li><a href='" . "{$creator}" . "'>{$creatorName}</a>";
?>
         <details><ul>
             <?php 
$creatorEmployer = $creatorRecord->get('schema:worksFor');
$employerRecord = $creatorGraph->resource($creatorEmployer);
$employerName = $employerRecord->get('schema:name');
echo "<li><strong>Works for</strong></li>";
echo "<li><a href='" . "{$creatorEmployer}" . "'>{$employerName}</a></li>";
$creatorTitle = $creatorRecord->get('schema:jobTitle');
echo "<li><strong>Job title</strong></li>";
echo "<li>{$creatorTitle}</li>";
$creatorEmail = $creatorRecord->get('schema:email');

 * @package    EasyRdf
 * @copyright  Copyright (c) 2012-2013 Nicholas J Humfrey
 * @license    http://unlicense.org/
 */
set_include_path(get_include_path() . PATH_SEPARATOR . '../lib/');
require_once "EasyRdf.php";
EasyRdf_Namespace::setDefault('dc11');
?>
<html>
<head>
  <title>Open Graph Protocol example</title>
</head>
<body>

<?php 
$doc = EasyRdf_Graph::newAndLoad('http://www.rottentomatoes.com/m/10011268-oceans/');
?>

<p>
  Title: <?php 
echo $doc->title;
?>
<br />
  Creator: <?php 
echo $doc->creator;
?>
<br />
</p>

</body>
</html>

<?php

set_include_path(get_include_path() . PATH_SEPARATOR . '../lib/');
require_once "EasyRdf.php";
## Add namespaces
EasyRdf_Namespace::set('vitro', 'http://vitro.mannlib.cornell.edu/ns/vitro/public#');
EasyRdf_Namespace::set('vivo', 'http://vivoweb.org/ontology/core#');
$uri = 'http://54.235.146.115:8080/vivo/individual/n5642';
$graph = EasyRdf_Graph::newAndLoad($uri);
$person = $graph->resource($uri);
?>

<html>
<head><title>Vivo Reader</title></head>
<body>
<h1>Vivo Reader</h1>

<p>
  <b>First Name</b>: <?php 
echo $person->get('foaf:firstName');
?>
<br />
  <b>Last Name</b>: <?php 
echo $person->get('foaf:lastName');
?>
<br />
  <b>Title</b>: <?php 
echo $person->get('vivo:preferredTitle');
?>
<br />
</p>

<?php

require 'vendor/autoload.php';
$graph = EasyRdf_Graph::newAndLoad("http://localhost:8080/orbeon/nomisma/id/rome.rdf");
$objects = $graph->resources();
foreach ($objects as $object) {
    var_dump($object->types());
}