Specification of sub-elements and attributes in an XML sub-tree and method for extracting data values therefrom
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United States of America Patent
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Aug 26, 2003
Grant Date -
N/A
app pub date -
Aug 27, 2001
filing date -
Oct 26, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for specifying sub-elements and attributes in a sub-tree and for extracting data values is disclosed. The method and system include defining content elements as recursively hierarchical sub-trees by defining a first XML ELEMENT in a document type definition, where each content element includes a top-level element and zero or more embedded subelements, and wherein leaf nodes in the sub-trees represent data values. The method and system further include extracting data values from the content elements by using the description of the first XML ELEMENT to recursively traverse each top-level element and extract the data values from the sub-tree.
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