文献类型： 外文期刊
作者： Wu, Jintao 1 ; Guo, Xing 1 ; Yang, Guijun 2 ; Wu, Shuhui 3 ; Wu, Jianguo 1 ;
作者机构： 1.Anhui Univ, Sch Comp Sci & Technol, 111 Jiulong Rd, Hefei 230601, 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, 193 Tunxi Rd, Hefei 230009, Peoples R China
关键词： Service-based system; Substructure similarity search; Service composition; Web service; Graph matching
期刊名称：JOURNAL OF SYSTEMS AND SOFTWARE （ 影响因子：2.829； 五年影响因子：3.029 ）
ISSN： 0164-1212
年卷期： 2020 年 165 卷
页码：
收录情况： SCI
摘要： With the broad application of service-oriented architecture in service-oriented software engineering, service-based systems (SBSs) are becoming ever more widely used. As a result, the selection of appropriate component services destined to fulfill the functional requirements becomes a critical challenge for successfully building SBSs, especially when the pre-specified SBS plan involves a complicated structure. Because building an exact SBS is often too restrictive, a similarity search for complex functional requirements becomes an essential operation that must be efficiently supported. We thus investigate in this work the substructure similarity search problem of building a SBS. To solve this new research problem, we propose a feature-based method, called the substructure similarity search for service-based systems (5S), to help users find similar SBS solutions by progressively relaxing a SBS plan. The 5S approach models each SBS as a set of features and transforms the task of relaxation of a SBS into the maximum allowed missing features, which can filter many SBSs directly without costly structure comparisons. 5S thus opens a new paradigm for efficient SBS engineering that shortens the build cycle. Finally, we discuss a series of experiments using real-world Web service datasets that demonstrate the effectiveness and efficiency of the proposed approach. (C) 2020 Elsevier Inc. All rights reserved.
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