Title	A Service Composition-Oriented Workflow Paradigm
Author	Wanchun Dou, Shijie Cai
Citation	Vol. 6  No. 1  pp. 136~146
Keywords	Certificate, Workflow, Service Computing, Web Service, Time Constraint, QoS, Temporal Logic

Title	A fast multi-level image segmentation method based on 2-D histogram using PSO
Author	Zeng Guowen, Hao Zhifeng, Yang Xiaowei, Wu Guangchao
Citation	Vol. 6  No. 1  pp. 126~135
Keywords	Multi-level thresholding, particle swarm optimization (PSO), 2-D threshold

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 Feature Selection Method Based on Category Information Analysis for Class Prejudging in Text Classification
Author	Qiang Wang, Yi Guan, XiaoLong Wang, Zhiming Xu
Citation	Vol. 6  No. 1  pp. 113~119
Keywords	Category Information Analysis, Pre-Fetching technique, Candidate class label, feature contribution