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Grouping and optimization of XPath expressions in DB2® pureXML

SIGMOD Conference, pp.1065-1074, (2008)

Cited by: 15|Views23
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Abstract

Several XML DBMSs support XQuery and/or SQL/XML languages, which are based on navigational primitives in the form of XPath expressions. Typically, these systems either model each XPath step as a separate query plan operator, or employ holistic approaches that can evaluate multiple steps of a single XPath expression. There have also been p...More

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