function deleteConstructedGraph()
{
ARC2::inc('StoreConstructQueryHandler');
$h = new ARC2_StoreConstructQueryHandler($this->a, $this->store);
$sub_r = $h->runQuery($this->infos);
$triples = ARC2::getTriplesFromIndex($sub_r);
$tgs = $this->infos['query']['target_graphs'];
$this->infos = array('query' => array('construct_triples' => $triples, 'target_graphs' => $tgs));
return $this->deleteTriples();
}