A Re-examination of Query Expansion Using Lexical Resources Hui Fang 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 fang-2008-examination https://aclanthology.org/P08-1017/ 2008-06 139 147