PLASH: a platform for location aware services with human computation. - Yao Hua Ho; Yao Chuan Wu; Meng Chang Chen (IEEE Commun. Mag., 2010)

GPS Data Based Urban Guidance. - Yao Hua Ho; Yao Chuan Wu; Meng Chang Chen; Tsun-Jui Wen; Yeali S. Sun (ASONAM, 2011)