Rianne Kaptein, Marijn Koolen, Jaap Kamps. Using wikipedia categories for ad hoc search. In James Allan, Javed A. Aslam, Mark Sanderson, ChengXiang Zhai, Justin Zobel, editors, Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009. pages 824-825, ACM, 2009. [doi]
Abstract is missing.