Information retrieval apparatus and information retrieval method
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United States of America Patent
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Aug 27, 2002
Grant Date -
Jan 3, 2002
app pub date -
Sep 28, 1998
filing date -
Sep 29, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Character data of a word or phrase in a document is designated. Desired data is retrieved from a predetermined database on the basis of the designated character data. One sentence including at least the designated character data is cut out and subjected to sentence analysis. On the basis of a sentence analysis result, specific data is selected from the retrieval result acquired from the database. In addition, character data of a word or phrase in a document is designated. One sentence including at least the designated character data is cut out and subjected to sentence analysis to extract a keyword. A retrieval condition is prepared on the basis of the extracted keyword, and desired data is retrieved from a predetermined database on the basis of the retrieved conditional expression.
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