Apparatus for retrieving information using reference reason of document
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 27, 2007
Grant Date -
N/A
app pub date -
Jun 15, 2000
filing date -
Jun 15, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The reference reason of a reference document is identified by analyzing a position where the reference document is cited in document data, a method by which the reference document is cited, a sentence in the document data, etc. Then, documents are retrieved and classified using a reference correlation including this reference reason.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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