Title	Digital Right Schemes for Limited Issue and Flexible Division
Author	Chia-Chen Lin, Chia-Chi Wu, Chin-Chen Chang
Citation	Vol. 8  No. 2  pp. 33-42
Keywords	Digital right, limited issue, flexible division, PKI

Title	Robust Digital Watermarking Scheme using Contourlet Transform
Author	B.Chandra Mohan, S.Srinivas Kumar
Citation	Vol. 8  No. 2  pp. 43-51
Keywords	Digital image watermarking, Contourlet Transform, Multiple description coding, dither quantization

Title	A Generic Technique for Voice over Internet Protocol (VoIP) Traffic Detection
Author	Fauzia Idrees, Uzma Aslam Khan
Citation	Vol. 8  No. 2  pp. 52-59
Keywords	Voice over IP (VoIP), Skype, Peer-to-Peer (P2P), Internet Telephony, Voice packet characteristics

Title	A Declarative Approach for Easy Specification and Automated Enforcement of Security Policy
Author	H?di Hamdi, Adel Bouhoula, Mohamed Mosbah
Citation	Vol. 8  No. 2  pp. 60-71
Keywords	Declarative Approach, Automated Enforcement, Security Policy