That is
why FUSION framework contains a second integration layer (see Figure 5) that
adds formal and well-defined business data and services functionality semantics in
the Web services descriptions and interfaces, enlarging the notion of SOA and Web
services applying common reference business ontologies.
This second integration layer supports the semantic enrichment of the Web services
descriptions (WSDL files) taking into account two basic facets. Firstly, we should
provide a formal description of the functionality of the Web service in order to facilitate
efficient categorization and discovery of Web services. Therefore, the business
service ontology is needed to identify the events that could occur in an e-business
and/or B2B environment and to organize the business logic of this domain, creating
an ontology-based dictionary conceptualizing functionality aspects of potential
services of the e-business domain.
As real-life business services contain several and quite complex parameters and
structures, we have recognized the need of developing the business data ontology
formalizing the types of data contained in WSDL interfaces as well as the structure
of the information that Web services exchange through SOAP messages.
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