Identifying Definitions in Text Collections for Question Answering Horacio Saggion author 2004-05 text Proceedings of the Fourth International Conference on Language Resources and Evaluation (LREC’04) Maria Teresa Lino editor Maria Francisca Xavier editor Fátima Ferreira editor Rute Costa editor Raquel Silva editor European Language Resources Association (ELRA) Lisbon, Portugal conference publication saggion-2004-identifying https://aclanthology.org/L04-1180/ 2004-05