QoS-based probabilistic fault-diagnosis method for exception handling

Authors:
Zhen Zhu;Wanchun Dou
Affiliations:
State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, China;State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, China
Venue:
ICWL'10 Proceedings of the 2010 international conference on New horizons in web-based learning
Year:
2010

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Abstract

Fault-diagnosis is an essential prerequisite for exception handling. There are several attempts to apply it in the decentralized systems like Web Service. However, few of them discuss the fault-diagnosis technics along with QoS. In this paper, we base our work on an existing framework, and employ the Bayesian Network which takes QoS under consideration to operate a probabilistic analysis. We aim to evaluate the precedence of each diagnosis returned after the diagnostic procedure with a posterior probability and thus provide more support for exception handling.