文献类型： 外文期刊
作者： Wu, Jintao 1 ; Guo, Xing 1 ; Yang, Guijun 2 ; Wu, Shuhui 3 ; Hassan, Haseeb 1 ; Wu, Jianguo 1 ;
作者机构： 1.Anhui Univ, Sch Comp Sci & Technol, Hefei 230601, Anhui, Peoples R China
2.Beijing Res Ctr Informat Technol Agr, Key Lab Quantitat Remote Sensing Agr, Minist Agr, Beijing 100097, Peoples R China
3.Hefei Univ Technol, Sch Management, Hefei 230009, Anhui, Peoples R China
关键词： Service-based system; subgraph query; service composition; web service; quality of service
期刊名称：IEEE ACCESS （ 影响因子：3.367； 五年影响因子：3.671 ）
ISSN： 2169-3536
年卷期： 2019 年 7 卷
页码：
收录情况： SCI
摘要： Given the broad applications of service-oriented architecture (SOA) in service-oriented software engineering, service-based systems (SBSs) built from existing Web services are becoming increasingly popular. As a result, the selection of the appropriate component services to include in SBSs has become a crucial step in the SBS-engineering process. Unfortunately, most of the existing methods require that system engineers have a detailed knowledge of the corresponding SOA techniques, which can incur several limitations, including excessively demanding development conditions and a lengthy development cycle. To address this issue, we propose to use subgraph queries for SBSs (SQS), which is an efficient approach that allows system engineers to build SBSs based on previous development experience. The SQS converts the SBS engineering problem into a subgraph isomorphism problem and uses a customized algorithm inspired by the VF2 algorithm to build SBSs with quality constraints and optimization goals for system quality. The SQS offers a new paradigm for efficient SBS engineering that significantly reduces the time and effort required in the system-engineering process. We discuss a series of experiments that use two real-world Web service datasets to demonstrate the practicality, effectiveness, and efficiency of this approach.
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