XML Document Versioning and Revalidation

Provided by: RWTH Aachen University
Topic: Data Management
Format: PDF
One of the prominent characteristics of XML (eXtensible Markup Language) applications is their dynamic nature. When a system grows and evolves, old user requirements change and/or new requirements accumulate. Apart from changes in the interface, it is also necessary to modify the existing documents with each new version, so they are valid against the new specification. The approach presented in this paper extends an existing conceptual model with the support for multiple versions of the model. Thanks to this extension, it is possible to define a set of changes between two versions of a schema.

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