TV program search apparatus
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jun 5, 2008
app pub date -
Aug 29, 2007
filing date -
Nov 30, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Record history record processing accumulates all user operations relating to program recording in a storage as a recording history. Preference change analysis processing extracts recorded programs in the most recent period from the recording history, obtains the weight of a word in the recorded program from an index from an EPG, adds the weight of the word to a preference in a period. The preference in programs for a period immediately preceding the most recent period is normalized, and a degree of similarity to the preference in the most recent period is calculated. Preference query generation processing emphasizes (five-fold) the weight of the words contained in the recorded programs in the period (June) and generates a preference query.
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