Title	A Novel PSO-Based Algorithm for the Optimal Location of Controllers in Wireless Networks
Author	Dac-Nhuong Le, Nhu Gia Nguyen, Vinh Trong Le
Citation	Vol. 12  No. 8  pp. 23-27
Keywords	Terminal Assignment (TA), Optimal Location of Controllers Problem (OLCP), Particle Swarm Optimization (PSO), Wireless Networks

Title	A Frame Packing Mechanism Using PDO Communication Service within CANopen
Author	Minkoo Kang, Kiejin Park
Citation	Vol. 12  No. 8  pp. 28-34
Keywords	CANopen, Controller Area Network (CAN), Network Utilization, Process Data Object (PDO), Worst-Case Response Time (WCRT)

Title	A Study on Effective Proactive Service in Pervasive Computing Environment
Author	Joonhee Kwon
Citation	Vol. 12  No. 8  pp. 35-39
Keywords	Proactive Service, Pervasive Computing, Context-aware Computing, Social Network Service

Title	Histogram Based Circle Detection
Author	Saleh Basalamah
Citation	Vol. 12  No. 8  pp. 40-43
Keywords	Circle Detection, Histogram