Data processing: database and file management or data structures – Database and file access – Preparing data for information retrieval
Reexamination Certificate
2005-08-10
2010-12-28
Vo, Tim T. (Department: 2168)
Data processing: database and file management or data structures
Database and file access
Preparing data for information retrieval
C707S737000, C707S740000, C707S748000, C707S752000
Reexamination Certificate
active
07860861
ABSTRACT:
An apparatus and method enable easy extraction of popular programs from program information. A keyword extracting section extracts keywords from program information received by a program information receiving section. A keyword counting section counts a number of keywords for one week among the extracted keywords to obtain a keyword count for that week. A difference value computing section computes a difference value between the keyword count for the current week and the keyword count for the past week. A popular keywords extracting section extracts a predetermined number of keywords in a descending order of difference values each indicating a difference between the keyword count for the current week keywords and the keyword count for the past week keywords, and sets the keywords as those for the current week.
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Office Action from Japanese Application No. 2004-235923, dated Jul. 6, 2010.
Ichioka Hidetoshi
Kimura Hitoshi
Ohnuma Kensuke
Okuda Hiroshi
Lerner David Littenberg Krumholz & Mentlik LLP
Morrison Jay A
Sony Corporation
Vo Tim T.
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