QoS-Enhanced Broker for Composite Web Service Selection

被引：3
|
作者：
Chakhar, Salem [1 ]
机构：
[1] Univ Laval, CRAD, ESAD, Quebec City, PQ G1K 7P4, Canada
来源：
8TH INTERNATIONAL CONFERENCE ON SIGNAL IMAGE TECHNOLOGY & INTERNET BASED SYSTEMS (SITIS 2012) | 2012年
关键词：
web service; service selection; service composition; quality of service;
D O I：
10.1109/SITIS.2012.83
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The paper proposes a layered system for web service composition. The input for the system is the specification of the desired service, including both functional and non-functional requirements. The composition operation takes as input a generic composition graph defined based on the functional requirements. Then, the set of potential compositions is identified based on "hard" non-functional requirements. This set is represented in terms of an extended version of the composition graph that permits to take into account the different BPEL constructors. Finally, best composition(s) are identified by solving a bi-objective shortest path problem on the transformed composition graph.
引用
收藏
页码：533 / 540
页数：8
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