Y. Chen. Human-Computer Interaction. Towards Mobile and Intelligent Interaction Environments, 6763, Springer Berlin Heidelberg, Berlin, Heidelberg, (2011)
H. Duh, G. Tan, and V. Chen. Proceedings of the 8th conference on Human-computer interaction with mobile devices and services, page 181--186. Helsinki, Finland, ACM, (2006)
J. Hu, G. Wang, F. Lochovsky, J. tao Sun, and Z. Chen. WWW '09: Proceedings of the 18th international conference on World wide web, page 471--480. New York, NY, USA, ACM, (2009)