Gaussian process regression as a predictive model for Quality-of-Service in Web service systems
Jakub M. Tomczak,
Jerzy Swiatek,
Krzysztof Latawiec
Abstract:In this paper, we present the Gaussian process regression as the predictive model for Quality-of-Service (QoS) attributes in Web service systems. The goal is to predict performance of the execution system expressed as QoS attributes given existing execution system, service repository, and inputs, e.g., streams of requests. In order to evaluate the performance of Gaussian process regression the simulation environment was developed. Two quality indexes were used, namely, Mean Absolute Error and Mean Squared Erro… Show more
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