Access control model in object-oriented systems. - Keiji Izaki; Katsuya Tanaka; Makoto Takizawa 001 (ICPADS Workshops, 2000)

Information Flow Control among Objects in Role-Based Access Control Model. - Keiji Izaki; Katsuya Tanaka; Makoto Takizawa 001 (DEXA, 2001)

Authorization Model Based on Object-Oriented Concept. - Keiji Izaki; Katsuya Tanaka; Makoto Takizawa 001 (ICOIN, 2001)

Information Flow Control in Role-Based Model for Distributed Objects. - Keiji Izaki; Katsuya Tanaka; Makoto Takizawa 001 (ICPADS, 2001)

Timed Information Flow among Objects Based on Role Concept. - Keiji Izaki; Katsuya Tanaka; Makoto Takizawa 001 (WORDS, 2002)