An Ontology-based Semantic Tagger for IE system Narjès Boufaden author 2003-07 text The Companion Volume to the Proceedings of 41st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Sapporo, Japan conference publication boufaden-2003-ontology 10.3115/1075178.1075179 https://aclanthology.org/P03-2002/ 2003-07 7 14