Z. Liao, S. Yang, and J. Liang. Proceedings of the 2010 IEEE/ACM Int'L Conference on Green Computing and Communications & Int'L Conference on Cyber, Physical and Social Computing, page 600--604. Washington, DC, USA, IEEE Computer Society, (2010)
B. Chiu, E. Keogh, and S. Lonardi. Proceedings of the ninth ACM SIGKDD international conference on Knowledge discovery and data mining, page 493--498. ACM, (2003)