P-recognition: you are already recognized

Hiroyuki Manabe, Masaaki Fukumoto. P-recognition: you are already recognized. In Dan R. Olsen Jr., Richard B. Arthur, Ken Hinckley, Meredith Ringel Morris, Scott E. Hudson, Saul Greenberg, editors, Proceedings of the 27th International Conference on Human Factors in Computing Systems, CHI 2009, Extended Abstracts Volume, Boston, MA, USA, April 4-9, 2009. pages 3901-3906, ACM, 2009. [doi]

Abstract

Abstract is missing.