Y. Jin, R. Li, Y. Cai, Q. Li, A. Daud, and Y. Li. Proceedings of the 11th international conference on Web-age information management, page 139--150. Berlin, Heidelberg, Springer-Verlag, (2010)
X. Luo, M. Spaniol, L. Wang, Q. Li, W. Nejdl, and W. Zhang. Proc. of 9th International Conference on Web-based Learning (ICWL2010), 8-10 December 2010, Shanghai University, Shanghai, China (2010)
A. Liu, Q. Li, and L. Huang. Web Information System Engineering – WISE 2011, volume 6997 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2011)
Y. Cai, and Q. Li. Proceedings of the 19th ACM International Conference on Information and Knowledge Management, page 969--978. New York, NY, USA, ACM, (2010)