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M-BSRM: Multivariate BayeSian Runtime QoS Monitoring Using Point Mutual Information | IEEE Journals & Magazine | IEEE Xplore

M-BSRM: Multivariate BayeSian Runtime QoS Monitoring Using Point Mutual Information


Abstract:

Quality of Service (QoS) is well acknowledged as a decisive means for ascertaining the performance of third-party Web services. QoS has high uncertainty in complex and dy...Show More

Abstract:

Quality of Service (QoS) is well acknowledged as a decisive means for ascertaining the performance of third-party Web services. QoS has high uncertainty in complex and dynamic network environments. QoS monitoring is considered as one of the most effective techniques to detect QoS violations at runtime. However, existing QoS monitoring approaches only consider single QoS attribute and do not provide a promising solution for comprehensively monitoring multivariate QoS attributes. To overcome this problem, a novel QoS monitoring approach, named M-BSRM (Multivariate BayeSian Runtime Monitoring), is proposed. First, M-BSRM adopts the point mutual information theory to initialize the weights of different environmental impact factors and solves the problem of uneven distribution between classes brought by traditional algorithms. Second, each single QoS attribute is integrated with user preference using the information fusion theory. Finally, a Bayesian classifier is used to comprehensively evaluate multivariate QoS attributes at runtime. The experimental results on both the real-world and simulated data sets show that M-BSRM is more effective, practical, and efficient than the other approaches.
Published in: IEEE Transactions on Services Computing ( Volume: 15, Issue: 1, 01 Jan.-Feb. 2022)
Page(s): 484 - 497
Date of Publication: 11 November 2019

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