GorUp: An Ontology-Driven Audio Information Retrieval System that Suits the Requirements of Under-Resourced Languages. - Nora Barroso; Karmele López de Ipiña; Aitzol Ezeiza; Carmen Hernández 001; Nerea Ezeiza; Odei Barroso; Unai Susperregi; Simeon Barroso (INTERSPEECH, 2011)