Exploration of Term Dependence in Sentence Retrieval Keke Cai author Jiajun Bu author Chun Chen author Kangmiao Liu author 2007-06 text Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics Companion Volume Proceedings of the Demo and Poster Sessions Sophia Ananiadou editor Association for Computational Linguistics Prague, Czech Republic conference publication cai-etal-2007-exploration https://aclanthology.org/P07-2025/ 2007-06 97 100