Bayesian forecasting and dynamic models (2nd ed.)
Bayesian forecasting and dynamic models (2nd ed.)
QoS-Aware Middleware for Web Services Composition
IEEE Transactions on Software Engineering
Smart monitors for composed services
Proceedings of the 2nd international conference on Service oriented computing
QoS Aggregation in Web Service Compositions
EEE '05 Proceedings of the 2005 IEEE International Conference on e-Technology, e-Commerce and e-Service (EEE'05) on e-Technology, e-Commerce and e-Service
Policy-Driven Exception-Management for Composite Web Services
CEC '05 Proceedings of the Seventh IEEE International Conference on E-Commerce Technology
A Service Discovery Framework for Service Centric Systems
SCC '05 Proceedings of the 2005 IEEE International Conference on Services Computing - Volume 01
Combining QoS-based Service Selection with Performance Prediction
ICEBE '05 Proceedings of the IEEE International Conference on e-Business Engineering
Forecasting the Number of Changes in Eclipse Using Time Series Analysis
MSR '07 Proceedings of the Fourth International Workshop on Mining Software Repositories
QoS Enhancement for PDES Grid Based on Time Series Prediction
GCC '07 Proceedings of the Sixth International Conference on Grid and Cooperative Computing
QoS Proxy Architecture for Real Time RPC with Traffic Prediction
DS-RT '07 Proceedings of the 11th IEEE International Symposium on Distributed Simulation and Real-Time Applications
Journal of Systems and Software
A framework for QoS-aware binding and re-binding of composite web services
Journal of Systems and Software
Runtime prediction of service level agreement violations for composite services
ICSOC/ServiceWave'09 Proceedings of the 2009 international conference on Service-oriented computing
ICSOC'06 Proceedings of the 4th international conference on Service-Oriented Computing
Service composition (re)binding driven by application–specific qos
ICSOC'06 Proceedings of the 4th international conference on Service-Oriented Computing
Business process performance prediction on a tracked simulation model
Proceedings of the 3rd International Workshop on Principles of Engineering Service-Oriented Systems
Towards accurate failure prediction for the proactive adaptation of service-oriented systems
Proceedings of the 8th workshop on Assurances for self-adaptive systems
ServiceWave'11 Proceedings of the 4th European conference on Towards a service-based internet
Statistical detection of QoS violations based on CUSUM control charts
ICPE '12 Proceedings of the 3rd ACM/SPEC International Conference on Performance Engineering
Proceedings of the 27th IEEE/ACM International Conference on Automated Software Engineering
Regression-based utilization prediction algorithms: an empirical investigation
CASCON '13 Proceedings of the 2013 Conference of the Center for Advanced Studies on Collaborative Research
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Run-time binding is an important and useful feature of Service Oriented Architectures (SOA), which aims at selecting, among functionally equivalent services, the ones that optimize some QoS objective of the overall application. To this aim, it is particularly relevant to forecast the QoS a service will likely exhibit in future invocations. This paper presents an empirical study aimed at comparing different approaches for QoS forecasting, namely the use of average and current values, linear models, and models based on time series. The study is performed on QoS data obtained by monitoring the execution of 10 real services for 4 months. Results show that, overall, the use of time series forecasting has the best compromise in ensuring a good prediction error, being sensible to outliers, and being able to predict likely violations of QoS constraints.