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DERI Submits Web Services Modeling Ontology (WSMO) Specifications to W3C

WSMO Targets W3C Semantic Web Activity

Galway, Ireland and Innsbruck, Austria. 8-June-2005.

Current computer technology is seriously limited in how computers "talk" and share data. Enabling two or more systems to communicate and exchange information is a costly and time consuming process. The addition of semantic information to describe Web Services — a current hot IT research topic — promises to unleash the potential of dynamic, scalable and costeffective eBusiness applications, allowing the realtime discovery of simple online services and automatically combining these into more complex services.

The Digital Enterprise Research Institute (DERI), a leading European research institute in the field of Semantic Web and Semantic Web services (SWS) technology, is pleased to announce the submission of its Web Services Modeling Ontology (WSMO) to the World Wide Web Consortium (W3C). The WSMO submission was made by five W3C Member organisations: DERI Innsbruck (AT), DERI Galway (IE), British Telecom (UK), The Open University (UK), and SAP (DE). It is a comprehensive framework for addressing Semantic Web services challenges and it is designed to help overcome the current problems of Enterprise Application Integration (EAI) and Service-Oriented Architectures (SOA). WSMO has been in development over the past two years by the WSMO working group lead by DERI.

Professor Dieter Fensel, Scientific Director of DERI, highlights one of the main benefits of WSMO:

WSMO is a big step forward in establishing Semantic Web services as the new infrastructure for eWork and eCommerce. WSMO contributes substantially to solving one of the most difficult and costly problems in IT, namely allowing disparate systems to share and integrate information in a cost effective way. This is a perennial problem for companies and represents billions of dollars in technology spending, with around 30% of worldwide IT budget dedicated to integration efforts. This technology will enable organisations to make substantial savings in their IT investments and increase their agility in changing business processes according to market needs.

The WSMO submission to the W3C consists of three main documents: Web Service Modeling Ontology (WSMO); Web Service Modeling Language (WSML); Web Service Execution Environment (WSMX), plus two supporting documents: Relation of WSMO to Other Relevant Technologies, and the WSMO Primer.

  • The Web Services Modeling Ontology (WSMO) provides ontological specifications for the core elements of Semantic Web services

  • The Web Service Modeling Language (WSML) provides the language to formally describe all the elements defined in WSMO

  • The Web Service Execution Environment (WSMX) is an execution environment that enables discovery, selection, mediation, invocation and interoperation of Semantic Web Services and provides a reference implementation of WSMO

WSMO has been developed and deployed in collaboration with a number of industrial partners and research groups making up the WSMO working group. Further enhancements are planned in the light of feedback from the W3C, knowledge and insights from real world case studies, and from ongoing work in related research projects and networks of excellence.

See the related press release "WSMO Starts to Fly in Semantic Web Services Applications," available [also] from DIP at

More about The WSMO Working Group

The DERI-lead WSMO working group aims at advancing the development of Semantic Web Services by working towards standardization in the area of Semantic Web services languages, and through the development and implementation of a common architecture and platform. DERI is adopting an open-source strategy in order to facilitate the uptake of WSMO by both industry and academia.

This is being achieved by creating synergies and aligning the ongoing work and emerging results in three key European research projects in the Semantic Web Service area: [1] DIP: Data, Information, and Process Integration with Semantic Web Services; [2] KnowledgeWeb: a Network of Excellence that aims at supporting the transfer of Ontology technology from academia to industry; and [3] SEKT: Semantically Enabled Knowledge Technologies. All three projects are supported by the European Union's IST Programme of research.

Contact Information

Contact Person: Holger Lausen
Organisation Name: Digital Enterprise Research Institute (DERI)
Phone Number: +43 512 507 6464
Fax Number: +43 512 27287817
Website URL:

Further Information

The W3C Submission

Prepared by Robin Cover for The XML Cover Pages archive. See other details in the news story of 2005-06-16: "DERI Announces Submission of Web Services Modeling Ontology (WSMO) to W3C."

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