System and method for filtering XML documents with XPath expressions
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United States of America Patent
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N/A
Issued Date -
Jan 15, 2004
app pub date -
Jul 9, 2002
filing date -
Jul 9, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for, and method of, filtering an XML document with XPath expressions and a selective data dissemination system incorporating the system or the method. In one embodiment, the filtering system includes: (1) a tree builder that builds a document data tree for the XML document and an XPath expression tree based on substrings in the XPath expressions and (2) a tree prober, associated with the tree builder, that employs the XPath expression tree to probe the document data tree and obtain matches with the substrings.
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