Answering Definition Questions with Multiple Knowledge Sources Wesley Hildebrandt author Boris Katz author Jimmy Lin author 2004-may 2 - may 7 text Proceedings of the Human Language Technology Conference of the North American Chapter of the Association for Computational Linguistics: HLT-NAACL 2004 Association for Computational Linguistics Boston, Massachusetts, USA conference publication hildebrandt-etal-2004-answering https://aclanthology.org/N04-1007/ 2004-may 2 - may 7 49 56