Title	Event-based Specification for Managing Change History of Geographic Information
Author	Masakazu IKEZAKI, Toyohide WATANABE
Citation	Vol. 6  No. 6  pp. 105-109
Keywords	GIS, Data model, Event

Title	User-oriented Operational Interface for Virtual Learning Environment
Author	Tomoko Kojiri, Yasuki Ito, Toyohide Watanabe
Citation	Vol. 6  No. 6  pp. 163-169
Keywords	Human interface, modeling student’s intention, logical window network, automatic movement of windows

Title	Discrimination of Moving Objects in Surveillance Movies Captured at Intersections
Author	Jien Kato, Katsuya Naoi, Toyohide Watanabe
Citation	Vol. 6  No. 8  pp. 138-145
Keywords	ITS, traffic surveillance, discrimination between pedestrians and vehicles, analysis of situation in intersections

Title	A Communication Model for Inter-vehicle Communication Simulation Systems Based on Properties of Urban Areas
Author	Junya OISHI, Koichi ASAKURA, Toyohide WATANABE
Citation	Vol. 6  No. 10  pp. 213-219
Keywords	communication model, inter-vehicles communication, simulation system, radio wave propagation