1 Introduction 11 Overview 12 Contributions 13 Organization References 2 Background Review 21 QoS Evaluation of Web Services 22 QoS Prediction of Web Services 23 Fault-Tolerant Web Services References 3 QoS Evaluation of Web Services 31 Overview 32 Distributed QoS Evaluation Framework 321 QoS Model of Web Services 322 System Architecture 33 Evaluation 1: Amazon Web Services 34 Evaluation 2: Internet Web Services 341 Information of Web Services 342 Generating Java Codes for Web Services 343 Failure Probability 344 Response Time and Throughput 35 Summary References 4 Neighborhood-Based QoS Prediction of Web Services 41 Overview 42 User-Collaborative QoS Collection 43 Similarity Computation 431 Pearson Correlation Coefficient 432 Significance Weighting ……