Title	Congestion Control Model Based on Hop-to-hop Feedback for Active Networks
Author	Nie Fei, Li Zeng-zhi
Citation	Vol. 6  No. 3  pp. 110-113
Keywords	congestion control, buffer, queue, hop-to-hop feedback.

Title	Dolittle:A Heuristic Approach to Improving Error Messaging Module Based on Error Feedback Strategy for K12
Author	YongChul Yeum, HyeSun Jang, DaeYong Kwon, SeungWook Yoo, Susumu Kanemune, WonGyu Lee
Citation	Vol. 6  No. 7  pp. 135-140
Keywords	Computer Science Education, Programming Education. Syntax error messages, Error FeedBack

Title	The Teaching Strategy in e-Learning Based on PID Control and Item Response Theory
Author	Takahiro Murase, Yukuo Isomoto
Citation	Vol. 6  No. 9  pp. 140-147
Keywords	item response theory, hierarchical learning theory, Matlab, feedback system, PID control

Title	One Source Multicast Model Using RTP in NS2
Author	Milan Simek, Dan Komosny, Radim Burget
Citation	Vol. 7  No. 11  pp. 252-257
Keywords	Multicast, RTP, ns2, feedback, simulation