Title	Security Enhancements for Mobile Agents Platforms
Author	HAMED AOUADI, PR MOHAMED BEN AHMED
Citation	Vol. 6  No. 7  pp. 216-221
Keywords	Mobile agents, cryptography, security, SVM

Title	Task-Role Based Dual System Access Control Model
Author	Cui-xiao Zhang, Ying-xin Hu
Citation	Vol. 6  No. 7  pp. 211-215
Keywords	Access Control, Task, WorkFlow, TRBAC

Title	All-optical Switch and Hard Limiter device using a Twin Defects in Two-dimensional Nonlinear Photonic Crystals
Author	Ali Rostami, Hamed Alipour
Citation	Vol. 6  No. 7  pp. 206-210
Keywords	All-optical switching, Twin Defect layers, Nonlinear Photonic Crystals, Hard Limiter

Title	Watermark Embedded in Polygonal Line for Copyright Protection of Contour Map
Author	Xu Zhou, Yu Ren, Xuezeng Pan
Citation	Vol. 6  No. 7  pp. 202-205
Keywords	Digital watermark, Contour map, Polygonal line, Parameterized circle, Hypothesis test