Document retrieval-assisting method and system for the same and document retrieval service using the same with document frequency and term frequency
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United States of America Patent
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Nov 16, 1999
Grant Date -
N/A
app pub date -
Jul 3, 1997
filing date -
Jul 5, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
Because the whole image of a retrieved document group cannot be viewed, next retrieval request after one retrieval attempt has been determined only perceptually. Therefore, displaying a means for displaying topic words on a display means, extracting a group of words characteristically appearing in a retrieved document group on request from a user, further examining the relation between topic words, and preparing a graph using the topic words as nodes, the whole image of the retrieval results is displayed on the means for displaying topic words. Additionally, by selecting an interesting word or a word with no interest on a displayed graph of topic words, the user can design a subsequent retrieval strategy effectively.
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