@inproceedings{magnini-EtAl:2002:ACL, author = {Magnini, Bernardo and Negri, Matteo and Prevete, Roberto and Tanev, Hristo}, title = {Is It the Right Answer? Exploiting Web Redundancy for Answer Validation}, booktitle = {Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics (ACL)}, year = 2002, pages = {425--432} }