1. Introduction.- 2. Neighborhood-Based Qo S Prediction.- 3. Time-Aware Model-Based Qo S Prediction.- 4. Online Qo S Prediction.- 5. Qo S-Aware Web Service Searching.- 6. Qo S-Aware Byzantine Fault Tolerance.- 7. Conclusion and Discussion.

Yilei Zhang received his Ph D in Computer Science from the Chinese University of Hong Kong. His industry-specific experience in cloud and big data spans several years as an IT professional. His research interests include big data, service computing and cloud computing. He has served as a reviewer for a number of international journals as well as conferences including TSE, TR, TSC, WWW, WSDM, KDD, ISSRE, etc. He received the best student paper award at the ICWS 2010.

Michael R. Lyu received his Ph D in Computer Science from the University of California, Los Angeles. He is currently a Professor at the Chinese University of Hong Kong’s Computer Science and Engineering Department. He has published 450 peer-reviewed journal and conference papers. His research interests include software reliability engineering, distributed systems, fault-tolerant computing, service computing, multimedia information retrieval, and machine learning. He was named as the IEEE Reliability Society Engineer of the Year in 2010. He is a fellow of the IEEE, ACM and AAAS.