Selecting Query Term Alternations for Web Search by Exploiting Query Contexts Guihong Cao author Stephen Robertson author Jian-Yun Nie author 2008-06 text Proceedings of ACL-08: HLT Johanna D Moore editor Simone Teufel editor James Allan editor Sadaoki Furui editor Association for Computational Linguistics Columbus, Ohio conference publication cao-etal-2008-selecting https://aclanthology.org/P08-1018/ 2008-06 148 155