Ce Zhang, Bin Cui, Gao Cong, Yu-Jing Wang. A Revisit of Query Expansion with Different Semantic Levels. In Xiaofang Zhou, Haruo Yokota, Ke Deng, Qing Liu, editors, Database Systems for Advanced Applications, 14th International Conference, DASFAA 2009, Brisbane, Australia, April 21-23, 2009. Proceedings. Volume 5463 of Lecture Notes in Computer Science, pages 662-676, Springer, 2009. [doi]
Abstract is missing.