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In business-to-business e-commerce, traditional Electronic Data Interchange (EDI) approaches such as UN/EDIFACT have been superseded by approaches like web services and ebXML. Nevertheless, a precise and common semantic definition of business documents exchanged is needed. In order to become independent from transfer syntax, the authors prefer defining the documents as platform independent models. An approach that follows this idea is the UN/CEFACT's core component standard. Core components are reusable semantic building blocks which can be combined in various ways to create shared libraries of interoperable business documents. In order to use standard UML modeling tools they have developed a UML profile for the core components standard.
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