/**
* Retourne les parents du concept
* @return skos_concepts_list Liste des parents du concept
*/
public function get_broaders()
{
if (!$this->broaders) {
$this->broaders = new skos_concepts_list();
$query = "select * where {\n\t\t\t\t<" . $this->uri . "> <http://www.w3.org/2004/02/skos/core#broader> ?broader\n\t\t\t}";
skos_datastore::query($query);
if (skos_datastore::num_rows()) {
$results = skos_datastore::get_result();
foreach ($results as $result) {
$this->broaders->add_concept(new skos_concept(0, $result->broader));
}
}
}
return $this->broaders;
}
