Adrian David Cheok Kok Hwee Goh Wei Liu Farzam Farbiz Sze Lee Teo Hui Siang Teo Shang Ping Lee Yu Li Siew Wan Fong Xubo Yang Human Pacman: a mobile wide-area entertainment system based on physical, social, and ubiquitous computing. 360-361 2004 conf/ACMace/2004 Advances in Computer Entertainment Technology http://doi.acm.org/10.1145/1067343.1067402 db/conf/ACMace/ace2004.html#CheokGLFTTLLFY04