Is It the Right Answer? Exploiting Web Redundancy for Answer Validation Bernardo Magnini author Matteo Negri author Roberto Prevete author Hristo Tanev author 2002-07 text Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics Pierre Isabelle editor Eugene Charniak editor Dekang Lin editor Association for Computational Linguistics Philadelphia, Pennsylvania, USA conference publication magnini-etal-2002-right 10.3115/1073083.1073154 https://aclanthology.org/P02-1054/ 2002-07 425 432