2008 | OriginalPaper | Buchkapitel
Extending Enterprise Services Descriptive Metadata with Semantic Aspect Based on RDF
verfasst von : Lei Zhang, Yani Yan, Jianlin Wu
Erschienen in: Research and Practical Issues of Enterprise Information Systems II
Verlag: Springer US
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In the area of enterprise information integration, enterprise services are usually pre-defined and constructed before being supplied to users traditionally. However, with the rising of users’ individuation needs, constructing and offering every user with the very service that can meet their needs by service provider is impossible and costly. In order to solve this problem, a new method of dynamic constructing and offering services defined by users themselves is put forward in this paper. Firstly, the framework of the service integration system is illustrated. Then, a formalized definition of enterprise services is brought forward. Based on the definition, a meta-model extended with semantic is constructed by RDF (Resource Describe Framework). Metadata defined based on the meta-model can describe the constructive components of a service and their communications. Users can define specific service by subscribing service descriptive metadata. After subscription, services can be called and system will parse the service metadata and dynamic create the service according to the service structure and components operation logic specified in the metadata. At last, a scenario is provided to demonstrate how the meta-model can be used to support the dynamic component-based construction of services.