INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM
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United States of America Patent
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Issued Date -
Sep 7, 2017
app pub date -
Feb 27, 2017
filing date -
Mar 1, 2016
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Abstract
The present invention provides an information processing system capable of implementing a recommendation function equivalent to that of the conventional even if the amount of information of databases provided in apparatuses used when the recommendation function is implemented is reduced. A server stores terms appearing in all documents and the total appearance frequencies of the terms in such a manner that terms similar in appearance tendency are grouped and documents similar in term appearance tendency are grouped, generates, from a stored two-dimensional database, a one-dimensional database stored for each total term cluster, and transmits the generated one-dimensional database to an information processing apparatus. The information processing apparatus stores terms appearing in all user documents and appearance frequencies of the terms as a user database in which terms similar in appearance tendency are grouped and user documents similar in term appearance tendency are grouped, extracts a word, identifies a term cluster high in degree of similarity to a document, selects a keyword, and acquires a content associated with the keyword.
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