Journal

1. . Budiarto, Kaname Harumoto, Masahiko Tsukamoto, Shojiro Nishio, "Position Locking: Handling Location Dependent Queries in Mobile Computing Environment," Worldwide Computing and Its Applications, Lecture Notes in Computer Science 1274 , pp.363-378, August 1997.
2. Shojiro Nishio, Masahiko Tsukamoto, "Architectural Issues of Database Systems in Advanced Computer Networks," Worldwide Computing and Its Applications, Lecture Notes in Computer Science 1274 , pp.237-252, August 1997.