Q. Yang, J. Lü, J. Li, X. Ma, W. Song, and Y. Zou. Proceedings of the Second Asia-Pacific Symposium on Internetware, page 15:1--15:4. New York, NY, USA, ACM, (2010)
W. Chen, Q. Yang, L. Zhu, and B. Wen. ICICTA '09: Proceedings of the 2009 Second International Conference on Intelligent Computation Technology and Automation, page 764--767. Washington, DC, USA, IEEE Computer Society, (2009)