Question Answering Using Constraint Satisfaction: QA-By-Dossier-With-Contraints John Prager author Jennifer Chu-Carroll author Krzysztof Czuba author 2004-07 text Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics (ACL-04) Barcelona, Spain conference publication prager-etal-2004-question 10.3115/1218955.1219028 https://aclanthology.org/P04-1073/ 2004-07 574 581