Learning Semantic Categories from Clickthrough Logs Mamoru Komachi author Shimpei Makimoto author Kei Uchiumi author Manabu Sassano author 2009-08 text Proceedings of the ACL-IJCNLP 2009 Conference Short Papers Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication komachi-etal-2009-learning https://aclanthology.org/P09-2048/ 2009-08 189 192