J. Aslam, E. Yilmaz, and V. Pavlu. SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 27--34. New York, NY, USA, ACM Press, (2005)
M. Bilotti, P. Ogilvie, J. Callan, and E. Nyberg. SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 351--358. New York, NY, USA, ACM Press, (2007)
R. Cooley, B. Mobasher, and J. Srivastava. Proceedings of the Ninth IEEE International Conference on Tools with Artificial Intelligence (ICTAI'97), IEEE Computer Society, (November 1997)
M. Kayed, and K. Shaalan. IEEE Transactions on Knowledge and Data Engineering, 18 (10):
1411--1428(2006)Member-Chia-Hui Chang and Member-Moheb Ramzy Girgis.
D. Milne, O. Medelyan, and I. Witten. ACM International Conference on Web Intelligence (WI 2006 Main Conference Proceedings)(WI'06), page 442-448. (2006)