IRS-II: A Framework and Infrastructure for Semantic Web Services

Motta, Professor Enrico and Domingue, Dr John and Cabral, Liliana and Gaspari, Mauro (2003) IRS-II: A Framework and Infrastructure for Semantic Web Services. In Fensel, D. and Sycara, K. and Mylopoulos, J., Eds. Proceedings 2nd International Semantic Web Conference (ISWC2003) The SemanticWeb - ISWC 2003, Lecture Notes in Computer Science, Vol. 2870(LNCS 2870), pages pp. 306-318, Sanibel Island, Florida, USA.

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In this paper we describe IRS-II (Internet Reasoning Service) a framework and implemented infrastructure, whose main goal is to support the publication, location, composition and execution of heterogeneous web services, augmented with semantic descriptions of their functionalities. IRS-II has three main classes of features which distinguish it from other work on semantic web services. Firstly, it supports one-click publishing of standalone software: IRS-II automatically creates the appropriate wrappers, given pointers to the standalone code. Secondly, it explicitly distinguishes between tasks (what to do) and methods (how to achieve tasks) and as a result supports capability-driven ser-vice invocation; flexible mappings between services and problem specifications; and dynamic, knowledge-based service selection. Finally, IRS-II services are web service compatible – standard web services can be trivially published through the IRS-II and any IRS-II service automatically appears as a standard web service to other web service infrastructures. In the paper we illus-trate the main functionalities of IRS-II through a scenario involving a distrib-uted application in the healthcare domain.

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