Jiuling Zhang, Zuoda Liu, Beixing Deng, Xing Li. Concept based Query and Document Expansion using Hidden Markov Model. In Joaquim Filipe, José Cordeiro, editors, WEBIST 2009 - Proceedings of the Fifth International Conference on Web Information Systems and Technologies, Lisbon, Portugal, March 23-26, 2009. pages 697-700, INSTICC Press, 2009.
Abstract is missing.