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Hong Kong, China
Mar. 29, 2005 to Apr. 1, 2005
ISBN: 0-7695-2274-2
pp: 444-449
Vladimir Tosic , The University of Western Ontario, Canada
Bernard Pagurek , Carleton University, Canada
ABSTRACT
Comprehensive contractual description of Web Services and Web Service compositions is needed for selection of appropriate Web Services and their service and quality of service (QoS) levels, for monitoring of operation of Web Services, and for management of Web Services and Web Service compositions. We systematically examined what types of technical contracts are useful for Web Services and Web Service compositions and classified them into three broad categories (functional, quality, and infrastructure contracts), each containing several contract types. Our study of how prominent Web Service languages can or cannot be used for specification of these contract types shows that they enable specification of only particular types of contracts, sometimes even in incompatible ways. Consequently, we advocate a unified framework for comprehensive contractual description of Web Services and Web Service compositions. At the end, we outline one possible approach to comprehensive contractual description, based on extending existing Web Service technologies.
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CITATION
Vladimir Tosic, Bernard Pagurek, "On Comprehensive Contractual Descriptions of Web Services", EEE, 2005, e-Technology, e-Commerce, and e-Services, IEEE International Conference on, e-Technology, e-Commerce, and e-Services, IEEE International Conference on 2005, pp. 444-449, doi:10.1109/EEE.2005.94
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