<a href = "demo_relfinder.php?first=Angela_Merkel&second=Hillary_Rodham_Clinton"> Angie und Hillary</a><br>
<a href = "demo_relfinder.php?first=Angela_Merkel&second=Joachim_Sauer"> Angie und ihr Mann</a><br>
<a href = "demo_relfinder.php?first=Angela_Merkel&second=Dagmar_Krause"> Angie und Dagmar_Krause</a><br>
<form action = "demo_relfinder.php">
first: <input type="text" width ="30" name = "first" value = "Leipzig"><br>
second: <input type="text" width ="30" name = "second" value = "Dresden"><br>
(prefix http://dbpedia.org/resource/ will be added automatically)<br>
<input type="submit">
</form>
<?php
if (isset($_REQUEST['first']) && isset($_REQUEST['second'])) {
include 'RelationFinder.php';
$first = 'http://dbpedia.org/resource/' . $_REQUEST['first'];
$second = 'http://dbpedia.org/resource/' . $_REQUEST['second'];
$rf = new RelationFinder();
$maxDistance = 4;
// get all queries we are interested in
$queries = $rf->getQueries($first, $second, $maxDistance, 10, array(), array('http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 'http://www.w3.org/2004/02/skos/core#subject'), true);
// execute queries one by one
for ($distance = 1; $distance <= $maxDistance; $distance++) {
echo '<b>Executing queries for distance ' . $distance . '</b><br />';
foreach ($queries[$distance] as $query) {
echo 'Running following query:<br /><pre>' . htmlentities($query) . '</pre><br/>';
$startTime = microtime(true);
$table = $rf->executeSparqlQuery($query, "HTML");
$runTime = microtime(true) - $startTime;
echo $table . '<br />';
echo 'runtime: ' . $runTime . ' seconds<br /><br />';
}
}
<?php
require_once 'RelationFinder.php';
$r = new RelationFinder();
$object1 = "db:Angela_Merkel";
$object2 = "db:Joachim_Sauer";
$object2 = "db:Hillary_Rodham_Clinton";
//$object1 = "a";
//$object2 = "b";
$maxDistance = 3;
$limit = 10;
$ignoredObjects;
$ignoredProperties = array('http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 'http://www.w3.org/2004/02/skos/core#subject', 'http://dbpedia.org/property/wikiPageUsesTemplate', 'http://dbpedia.org/property/wordnet_type');
$avoidCycles = 2;
$arr = $r->getQueries($object1, $object2, $maxDistance, $limit, $ignoredObjects, $ignoredProperties, $avoidCycles);
//print_r($arr);
foreach ($arr as $distance) {
foreach ($distance as $query) {
$now = microtime(true);
echo "<xmp>" . $query . "</xmp>";
echo $r->executeSparqlQuery($query, "HTML");
echo "<br>needed " . (microtime(true) - $now) . " seconds<br>";
}
}