The Future of Web Services

  • Authors:
  • N. J. Davies;D. Fensel;M. Richardson

  • Affiliations:
  • -;-;-

  • Venue:
  • BT Technology Journal
  • Year:
  • 2004

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Abstract

Much of the Web's success can be attributed to its simplicity. It offers a straightforward means by which static information could be published and interconnected on a global basis. The Web Services initiative effectively adds computational objects to the static information of yesterday's Web and as such offers a distributed services capability over a network. Web Services have the potential to create new paradigms for both the delivery of software capabilities and the models by which networked enterprises will trade.Today's Web Services technology, useful though it is, will be enhanced over the next 2⅖ years by the harnessing of Semantic Web technology to deliver a step change in capability. Web Services provide an easy way to make existing (or indeed new) components available to applications via the Internet. However, currently, Web Services are essentially described using semi-structured natural language mechanisms, which means that considerable human intervention is needed to find and combine Web Services into an end application.The Semantic Web will enable the accessing of Web resources by semantic content rather than just by keywords. Resources (in this case Web Services) are defined in such a way that they can be automatically ‘understood’ and processed by machine. This will enable the realisation of Semantic Web Services, involving the automation of service discovery, acquisition, composition and monitoring. Software agents will be able automatically to create new services from already published services, with potentially huge implications for models of eBusiness.Having identified limitations in current Web Services technology, this paper will survey existing research in Semantic Web Services, most notably USA's DAML-S initiative and the European WSMF work, and describe BT's research into creating a set of tools to support next-generation Semantic Web Services.