In enterprise integration, a data exchange specification is an architectural artifact that evolves along with the business. Developing and maintaining a coherent semantic model for data exchange is an important, yet non-trivial, task. A coherent semantic model of data exchange specifications supports reuse, promotes interoperability, and, consequently, reduces integration costs. Components of data exchange specifications must be consistent and valid in terms of agreed upon standards and guidelines. In this paper, we describe an activity model and NIST developed tools for the creation, test, and maintenance of a shared semantic model that is coherent and supports scalable, standards-based enterprise integration. The activity model frames our research and helps define tools to support the development of data exchange specification implemented using XML (Extensible Markup Language) Schema.

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