Title	Description Logic Based Conflict Detection Methods for RB-RBAC Model
Author	Haibo Yu, Qi Xie, Haiyan Che
Citation	Vol. 6  No. 1  pp. 120~125
Keywords	RB-RBAC, Description Logic, Policy conflict, Conflict detection

Title	A Novel Solution of Mobile Agent Security:Task-Description-Based Mobile Agent
Author	Haiyan Che, Dali Li, Jigui Sun, Haibo Yu
Citation	Vol. 6  No. 2  pp. 121~125
Keywords	mobile agent, security, task description, Proxy/Manage Agency, trust model