Information retrieving system, information retrieving method, and information retrieving program
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United States of America Patent
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Apr 15, 2008
Grant Date -
Jan 6, 2005
app pub date -
Jul 2, 2004
filing date -
Jul 2, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In this invention, a database in which a keyword and an attribute of the keyword are stored together with a document ID for discriminating a source document is arranged, at least one keyword and/or retrieval key constituted by attribute information which is not specified as a keyword is input, and the database is retrieved on the basis of the keyword and/or the attribute of the attribute information. As a result, the source document can be specified by the keyword input as the retrieval key, and retrieval intention is reflected by the attribute information input as the retrieval key.
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