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Showing 1 to 2 of 2 for “"Partial tree-pattern"”.
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Processing techniques for partial tree-pattern queries on XML data
… data on the Web. XML structures data as trees. Querying capabilities are provided through patterns matched against the XML trees. Research on the processing of XML queries has focused mainly on tree-pattern queries. Tree-pattern queries are not appropriate for querying XML data sources …
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Semantics and efficient evaluation of partial tree-pattern queries on XML
… dissertation, a query language for XML called Partial Tree-Pattern Query (PTPQ) language is considered. PTPQs generalize and strictly contain Tree-Pattern Queries (TPQs) and can express a broad structural fragment of XPath. Because of their expressive power and flexibility, they are useful for …