A. Vo, O. de Kretser, and A. Moffat. Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2001, page 35--42. (2001)
H. Ngo, A. Shehzad, K. Ngoc, S. Lee, and M. Jeon. RTCSA '05: Proceedings of the 11th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'05), page 459--462. Washington, DC, USA, IEEE Computer Society, (2005)
A. Nguyen-Ngoc, and E. Law. Learning in the Synergy of Multiple Disciplines, Proceedings of the EC-TEL 2009, volume 5794 of Lecture Notes in Computer Science, Berlin/Heidelberg, Springer, (October 2009)