Content searching device and content searching method

Details Content searching device and content searching method Content searching device and content searching method

2009-03-02

2011-12-06

Somers, Marc (Department: 2159)

Data processing: database and file management or data structures

Database and file access

Preparing data for information retrieval

C707S914000

Reexamination Certificate

active

08073851

ABSTRACT:
To provide a content searching device which can efficiently present to the user a topical related keyword.A content searching device (100), which searches content from a content database with a use of a related keyword, includes: a related segment calculating unit (106) which calculates, for each content attribute, a related segment which is defined in order for first content and second content to be included in a same time segment, the related segment being calculated based on whether or not a degree of difference, for each content attribute, calculated out of a plurality of first keywords and a plurality of second keywords meets a predetermined reference value, the plurality of the first keywords each describing the first content to be stored in the content database (101), and the plurality of the second keywords each describing the second content having been stored in the content database (101); and a dictionary updating unit (107) which updates a degree of relevance stored in a dictionary database (102), the degree of relevance being updated with a use of the related segment, and the degree of relevance, among the plurality of keywords, being calculated for each content attribute.

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The Decision to Grant a Patent issued on Sep. 8, 2009 for the corresponding Japanese patent application No. 2009-528429.

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