//
echo '<h1>Clustering documents from external source</h1>';
$source = "etools";
$query = "data mining";
$results = 20;
$algorithm = "url";
// cluster by url to show how to handle subclusters
echo "<strong>Source:</strong> " . $source . '<br />';
echo "<strong>Query:</strong> " . $query . '<br />';
echo "<strong>Number of results:</strong> " . $results . '<br />';
echo "<strong>Algorithm:</strong> " . $algorithm . '<br />';
// Carrot2Job defines data required for clustering.
$job = new Carrot2Job();
$job->setSource($source);
$job->setQuery($query);
$job->setAlgorithm($algorithm);
$job->setAttribute("results", $results);
// Perform clustering
try {
$result = $processor->cluster($job);
} catch (Carrot2Exception $e) {
echo 'An error occurred during processing: ' . $e->getMessage();
exit(10);
}
// Display results
$documents = $result->getDocuments();
$clusters = $result->getClusters();
echo "<h2>Clusters</h2>";
if (count($clusters) > 0) {
echo "<ul>";
foreach ($clusters as $cluster) {
