L. Zhang, S. Akifuji, K. Kawai, and T. Morioka. Extreme Programming and Agile Processes in Software Engineering, volume 4044 of LNCS, page 211-212. (2006)
X. Shi, J. Zhu, R. Cai, and L. Zhang. KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining, page 777--786. New York, NY, USA, ACM, (2009)
L. Zhang, Y. Zhang, Y. Zhang, and X. Li. CIT '06: Proceedings of the Sixth IEEE International Conference on Computer and Information Technology, Washington, DC, USA, IEEE Computer Society, (2006)
J. Yang, R. Cai, Y. Wang, J. Zhu, L. Zhang, and W. Ma. WWW '09: Proceedings of the 18th international conference on World wide web, page 181--190. New York, NY, USA, ACM, (2009)