Coping with Semantics in XML Document Management
نویسنده
چکیده
This paper tells the story of a war waged unknowingly by many system architects dealing with XML documents and databases. We discuss the semantic ambiguities and deficiencies of XML that explain many mismatches we encounter when mapping XML documents to databases. As a remedy, we show the benefits of using RM-ODP viewpoints to structure an XML document specification and an XML management system as well. We discuss the usage of generic relationships, as they are introduced in the General Relationship Model (GRM) for the specification of the invariants in different document views. Moreover, we discuss the realization issue for the storage of XML documents in databases. We give some examples how viewpoints and specification/realization may occur concurrently in one XML document which proves the need for semantic models in different document views.
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