The strategy of service composition based on 3-layer framework of requirement-task-service

被引：0

作者：

Xiong H. ^{[1
]}

Zhu G. ^{[2
]}

Wang P. ^{[2
]}

机构：

[1] Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University

[2] International School of Software, Wuhan University

来源：

Advances in Information Sciences and Service Sciences | 2011年 / 3卷 / 11期

关键词：

3-layer framework; Service composition; Service granularity;

D O I：

10.4156/AISS.vol3.issue11.4

中图分类号：

学科分类号：

摘要：

Requirement-Service (RS) is considered as a main trend in software service, and all kinds of developers are focusing on how to meet different users' demands with the corresponding service composition via more flexible and fast-speed methods. However, with the increasing scale of the mapping information databases, as well as increasing complexity of service composition, the execution efficiency of the 2-layer framework could not be satisfied. In order to overcome this situation, a composited method of 3-layer framework of Requirement-Task-Service (RTS) is proposed in this paper, in which a new mapping information database based on the granularity theory is built first, and a optimal Clipping-Matching Algorithm (CMA) on the basis of the Optimal Covering Theory (OCT) is proposed then. Finally, the results obtained from experiments are released, indicating that this 3-layer mapping framework can enhance the efficiency of service matching dramatically by decomposing the service granularity trees into service granularity forests.

引用

页码：27 / 35

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