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AUTOMATIC WEB SERVICE SELECTION BY OPTIMIZING COST OF COMPOSITION IN SLAKY COMPOSER USING ASSIGNMENT MINIMIZATION APPROACH

Web service composition is a means of building enterprises virtually by knitting relevant web services on the fly. Automatic web service composition is done dynamically at runtime. Extensive research has been done in the field of automatic web service composition. However all the works focus on providing client oriented results and hence there is less industry adoption of composition technology. In this paper we have proposed a new service collaboration stack that composes with realistic business metrics of a provider in addition to client metrics. Some of the service provider metrics include time planning, profit management, native intelligence, user adoption, environment, market scenario, vision and industry adoption. In this paper we focus on enhancing industry adoption through optimizing cost of service composition. We propose the SLAKY composer that solves assignment of appropriate service during composition as an assignment minimization problem to reduce the cost of composition. We also extend OWL-S profile sub ontology to augment cost as a service parameter.