Xml query algebra - PowerPoint PPT Presentation

Query Languages

Query Languages. Aswin Yedlapalli. XML Query data model. Document is viewed as a labeled tree with nodes Successors of node may be : - an ordered sequence of nodes (eg. for sub elements). - an unordered set of nodes (eg. For attributes). Compatible with XML schemas.

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335 views • 17 slides

Querying XML Documents

Querying XML Documents. Paul Cotton ZIG Washington, Dec 7, 2000. Organization of Presentation. XML query history and QL’98 XML Query WG history, goals and status XML Query Requirements XML Query Data Model XML Query Algebra Questions. XML query history.

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314 views • 16 slides

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