Title	A Secure E-coupon System for Mobile Users
Author	Chin-Chen Chang, Chia-Chi Wu, Iuon-Chang Lin
Citation	Vol. 6  No. 1  pp. 273~278
Keywords	e-commerce, e-coupon, mobile commerce

Title	Algorithm for RNA Pseudoknots Prediction
Author	Hengwu li, Daming Zhu
Citation	Vol. 6  No. 1  pp. 265~272
Keywords	RNA secondary structure, dynamic programming, thermodynamics, NP-complete

Title	A Hybrid Approach to Key Predistribution for Ubiquitous Sensor Network
Author	Jong Sou Park, Mohammed Golam Sadi, Dong Seong Kim
Citation	Vol. 6  No. 1  pp. 258~264
Keywords	Key predistribution, Ubiquitous sensor network, Information security, symmetric key

Title	Synchronous Counterfeiting Attacks on self-embedding Watermarking Schemes
Author	Hongjie He, Jiashu Zhang, Hongxia Wang
Citation	Vol. 6  No. 1  pp. 251~257
Keywords	Self-embedding watermarking, Counterfeiting attacks, Vector quantization attack, the offset