Discovery of Term Variation in Japanese Web Search Queries Hisami Suzuki author Xiao Li author Jianfeng Gao author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication suzuki-etal-2009-discovery https://aclanthology.org/D09-1154/ 2009-08 1484 1492