《Preview》.pdfVIP

Preview This document is a preview version and not necessarily identical with the original. Making a Fast Semantic Service Composition System Faster Steffen Bleul, Thomas Weise and Kurt Geihs Distributed Systems Group University of Kassel, Germany bleul, weise, geihs@vs.uni-kassel.de Abstract vices and application. Various applications are in need of certain service functionalities, which, in turn, may be pro- Service Oriented Architecture (SOA) is a flexible soft- vided by multiple services. Manual service management ware design paradigm for enterprises. The workflows becomes more and more cumbersome and ineffective with of a company are implemented as services which can be a rising count of such relations. Self-organization promises arranged, updated and managed at runtime without inter- a solution for finding services that offer a specific function- fering with ongoing business. Service management aims ality automatically. at providing undisturbed access to services. Its efficiency Such self-organizing approaches usually apply semantic strongly depends on a fast response time in the case of a fail- service discovery. Here, services are specified by semantic ure. This is hard to achieve since the relations between ap- interface description languages like OWL-S [4] in addition