Document retrieval system
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United States of America Patent
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Dec 1, 1992
Grant Date -
N/A
app pub date -
Jan 13, 1989
filing date -
Jan 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A document retrieval system employs a keyword connection table which contains relation information of keyword connections respectively coupling two arbitrary keywords which are used for retrieving registered documents. The relation information at least includes a relation name and a relationship describing the relation between the two arbitrary keywords. The relation information may dynamically change depending on a frequency of use of the keywords, that is, by a learning function.
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