Saeedeh Momtazi, Dietrich Klakow. A word clustering approach for language model-based sentence retrieval in question answering systems. In David Wai-Lok Cheung, Il-Yeol Song, Wesley W. Chu, Xiaohua Hu, Jimmy J. Lin, editors, Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009. pages 1911-1914, ACM, 2009. [doi]
Abstract is missing.