Zusammenfassung

The problem of storing and querying XML data using relational databases has been considered a lot and many techniques have been developed. MXML is an extension of XML suitable for representing data that assume different facets, having differentvalue and structure under different contexts, which are determined by assigning values to a number of dimensions. In thispaper, we explore techniques for storing MXML documents in relational databases, based on techniques previously proposed forconventional XML documents. Essential characteristics of the proposed techniques are the capabilities a) to reconstruct theoriginal MXML document from its relational representation and b) to express MXML context-aware queries in SQL.

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