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篇名 |
Granularity-based Uncertain QoS Partitioning for Web Service Reliability
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並列篇名 | Granularity-based Uncertain QoS Partitioning for Web Service Reliability |
作者 | Guobing Zou、Zhimin Zhou、Mei Zhao、Sen Niu、Yanglan Gan |
英文摘要 | The performance of Web services may fluctuate due to their invocations in dynamic environment. Thus, quality of service (QoS) is inherently uncertain when reflecting non-functional features of Web services. QoS has been considered as a significant criterion for selecting those functionally similar services. In this paper, we proposed a novel granularity-based partitioning model (GPM) that is applied to evaluate the reliability of Web services with the consideration of uncertain QoS via cloud model and coefficient of variance. Extensive experiments with 1,558,224 service invocation records have been conducted to validate the effectiveness of our proposed approach. The results demonstrate that it outperforms the state-of-the-art traditional ones. |
起訖頁 | 1031-1042 |
關鍵詞 | Web services、Uncertain QoS、Granularity partitioning、Cloud model、Coefficient of variance |
刊名 | 網際網路技術學刊 |
期數 | 201807 (19:4期) |
出版單位 | 台灣學術網路管理委員會 |
DOI |
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