Volume 6 Number 3 (Mar. 2011)
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JSW 2011 Vol.6(3): 366-373 ISSN: 1796-217X
doi: 10.4304/jsw.6.3.366-373

QoS-based Selection of Multi-Granularity Web Services for the Composition

Bo Zhou1, Keting Yin1, Honghong Jiang1, Shuai Zhang1, Aleksander J. Kavs2
1College of Computer Science and Technology, Zhejiang University, Hangzhou, China
2State Street Corporation, Boston, MA, USA

Abstract—Existing methods for QoS-aware services composition only consider web services whose service class is specified in the process definition as the candidate. However, there may exist some services that could also accomplish partial goal of the web service composition but their service classes do not appear in the process definition. In this paper, we propose a new QoS-aware service composition approach, which expands the choice for services selection by allowing web services of various granularities to be available for selection. A method based on Mixed Integer Linear Programming (MILP) is proposed to solve the QoS-based Multi-Granularity Service Selection Problem (QMGSSP), which optimizes the user-defined objective and meets the end-to-end QoS constraints as well. Experiments show the effectiveness of our approach.

Index Terms—web service, service composition, QoS, multigranularity


Cite: Bo Zhou, Keting Yin, Honghong Jiang, Shuai Zhang, Aleksander J. Kavs, "QoS-based Selection of Multi-Granularity Web Services for the Composition," Journal of Software vol. 6, no. 3, pp. 366-373, 2011.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly 
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, CNKIGoogle Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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