A Service Description Language for the Internet of Services

Abstract: Services currently govern economies and will unquestionably become even more significant in the near future. This trend is supported by the launch of a proposal for a Directive on Services in the Internal Market 1 1 Introduction from the European Commission. Informa-tion and communication technology are presently being explored to provide infrastructures to support the notion of the Internet of Services which will enable providers to sell and consumers to purchase services. Such infrastructures will require research and p- develoment of new theories, concepts, models and technologies. n this paper, we prAs such, i e-sent a niversal U Service Description Language (USDL), an approach to model service descriptions to enable the publication, discovery, selection, contracting and monitoring of service. Services currently govern economies and will unquestionably become even more significant in the near future. Outsourcing is one of the main reasons behind the growing number of service available since it allows companies to concentrate on cotheir re competencies, reduce costs and take advantage of highly specialized external expertise. IBM, for example, which is a main producer of goods, has generated in 1998 more than half its revenues from services IBM98]. [The European directive for services