Masami Hirabayashi,Ph.D.
Institute of Advenced Media Arts and Sciences

University of Tsukuba, Third Cluster of Colleges, College of Information Sciences
University of Tsukuba, Graduate school of Science and Engineering
Ricoh Company, Ltd, Software Research Center
Keio University, Keio Institute of Environmental Information, Researcher
Kobe University, Graduate School of Science and Technology, Department of Informatics and Electronics, Ph.D(Engineering)

Current interests: Credibility of WWW, Communication System on Internet, Location-aware Interface, Enhanced Experiences for Extertainment Environment