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http://dx.doi.org/10.3745/KIPSTD.2007.14-D.2.265

Automated Composition System of Web Services by Semantic and Workflow based Hybrid Techniques  

Lee, Yong-Ju (상주대학교 컴퓨터공학과)
Publication Information
The KIPS Transactions:PartD / v.14D, no.2, 2007 , pp. 265-272 More about this Journal
Abstract
In this paper, we implement an automated composition system of web services using hybrid techniques that merge the benefit of BPEL techniques, with the advantage of OWL-S, BPEL techniques have practical capabilities that fulfil the needs of the business environment such as fault handling and transaction management. However, the main shortcoming of these techniques is the static composition approach, where the service selection and flow management are done a priori and manually. In contrast, OWL-S techniques use ontologies to provide a mechanism to describe the web services functionality in machine-understandable form, making it possible to discover, and integrate web services automatically. This allows for the dynamic integration of compatible web services, possibly discovered at run time, into the composition schema. However, the development of these approaches is still in its infancy and has been largely detached from the BPEL composition effort. In this work, we describe the design of the SemanticBPEL architecture that is a hybrid system of BPEL4WS and OWL-S, and propose algorithms for web service search and integration. In particular, the SemanticBPEL has been implemented based on the open source tools. The proposed system is compared with existing BPEL systems by functional analysis. These comparisions show that our system outperforms existing systems.
Keywords
Web Services Composition; Hybrid Techniques; BPEL4WS; OWL-S; Search and Integration Algorithms; Implementation Techniques;
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Times Cited By KSCI : 1  (Citation Analysis)
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