Toward Medical Ontology using Natural Language Processing Eiji Aramaki author Takeshi Imai author Masayo Kashiwagi author Masayuki Kajino author Kengo Miyo author Kazuhiko Ohe author 2005 text Proceedings of OntoLex 2005 - Ontologies and Lexical Resources conference publication aramaki-etal-2005-toward https://aclanthology.org/I05-7008/ 2005