DOCUMENT SEARCHING DEVICE, DOCUMENT SEARCHING METHOD, AND DOCUMENT SEARCHING PROGRAM
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United States of America Patent
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Issued Date -
Apr 22, 2010
app pub date -
Sep 28, 2007
filing date -
Sep 29, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a document retrieval apparatus for retrieving the desired data from a structured a document file. The apparatus holds index information in which a tag set including tags that are in a hierarchical relation with each other, is associated with one or more of positions of which path expressions include the tag set, in a structured document file. When receiving an input of a partial path expression, the apparatus specifies a position where the tag set included in the partial path expression is present as part of a path expression of the position, as a candidate position for a position to be retrieved, with reference to the index information.
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