Changes between Version 70 and Version 71 of WikiStart
- Timestamp:
- 07/21/2010 03:56:41 PM (3 years ago)
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WikiStart
v70 v71 36 36 37 37 == How do we annotate the Web services == 38 Ontologies are classified into different types, for example shared domain ontologies developed for particular use cases describing the reality, or local application-specific ontologies which should be understood as formal specifications of the data. This has an impact on the definition of annotations. Next to the link to a certain vocabulary, a description of the annotation style is needed, too. We identified the following threestyles of annotations:38 Ontologies are classified into different types, for example shared domain ontologies developed for particular use cases describing the reality, or local application-specific ontologies which should be understood as formal specifications of the data. This has an impact on the definition of annotations. Next to the link to a certain vocabulary, a description of the annotation style is needed, too. We identified the following four styles of annotations: 39 39 40 40 === Shared Information Model === … … 45 45 46 46 === Functional Description Model === 47 Here we annotate the Web service with a model of a this Web service (Service Model) including pre- and postconditions. If the data of a service is annotated using the Application-Specific Information Model, the Functionl Description Model links the application-specific concepts to the domain concepts.47 Here we annotate Operations of a Web service with a functional description including pre- and postconditions of this operation. If the data of a service is annotated using the Application-Specific Information Model, the Functionl Description Model links the application-specific concepts to the domain concepts. 48 48 49 49 === Service Description Model === 50 ...describing a Service...50 Here we annotate metadata documents of a Web service describing the whole service, for example GetCapabilities concerning OGC Web services or *.wsdl documents concerning W3C Web services, with a Service Model (WSMO-Lite Service Model) describing all relevant parts of Web Service. 51 51 52 52 === Listing of annotation possibilities for W3C- and OGC-compliant Web services: ===