Semantic Web and Web Services

Web services could be the first killer application of the Semantic Web infrastructure.

The web services vision can be thought of as:

Most of the components of the vision already exist:

• SOAP - the web service messaging language
• WSDL - web service description language
• UDDI - the web service directory
• Web service Orchestration ? - possible W3C recommendation
• Business Process Description - ? BPML ? BPSS ? BPEL ? WFMA ? OMG's Model Driven Architecture ?
• Time and Cost constraints ?
• QoS - ? DAML-S ?
• Contracts, Policies and Trust ?

The top level DAML-S models are examples of the research in the area:

How can such abstract models be refined for different application domains ?

What domain application demonstrators can build on the generic Semantic Web Technologies ?