Data Exchange Model for WebLab platform provided by EADS Service package - Version 1.0 - 2008/05 A service is a resource which contains XML data. This data describe the WSDL interface of the service (roughly speaking its functions, needed arguments and returned values). As a resource, a service could be annotated to provide, for example, meta-information on its creation date, description of its internal process, reliability indication, or anything relevant to the WebLab platform. Data Exchange Model for WebLab platform provided by EADS Service package - Version 1.0 - 2008/05 The WSDL interface of the service (XML).