ICMSC Invited Talk: Prof. Wenying Feng Associate Professor, Department of Computer Science/Studies and Department of Mathematics Director, Applications of Modeling Graduate Program Trent University, Ontario, Canada Email: wfeng@trentu.ca In this talk, I will introduce different models for Web caching systems including birth-death, Markov-chain and stream functions. Machine learning algorithms on both cache pre-fetching and replacement by matrix and high-dimensional matrix are also discussed.