Discriminative Information Retrieval for Question Answering Sentence Selection Tongfei Chen author Benjamin Van Durme author 2017-04 text Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 2, Short Papers Mirella Lapata editor Phil Blunsom editor Alexander Koller editor Association for Computational Linguistics Valencia, Spain conference publication chen-van-durme-2017-discriminative https://aclanthology.org/E17-2114/ 2017-04 719 725