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Title:
キーワード取得装置、コンテンツ提供システム、キーワード取得方法、プログラム及びコンテンツ提供方法
Document Type and Number:
Japanese Patent JP5827874
Kind Code:
B2
Abstract:
A keyword related to a user's interest is acquired. A keyword acquiring device including a tree storage unit that stores a keyword tree obtained by performing hierarchization according to the number of appearances and relevance in advance using a keyword associated with content as a node records a keyword associated with content previously selected by a user as a log, extracts a plurality of keywords based on a predetermined condition from a log corresponding to a certain user recorded in the log, extracts a partial tree including the extracted keywords from the keyword tree, and acquires a keyword in a node having no other lower node as a keyword related to the user's interest.

Inventors:
Kazuki Anfuku
Application Number:
JP2011247694A
Publication Date:
December 02, 2015
Filing Date:
November 11, 2011
Export Citation:
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Assignee:
Dwango Co., Ltd.
International Classes:
G06F17/30
Domestic Patent References:
JP2002007461A
JP2008276643A
JP2011118761A
JP2007047903A
JP2002007460A
Other References:
中辻 真 外2名,“ブログデータに基づくユーザの興味オントロジ自動生成とコミュニティ形成支援手法の提案”,DEWS2006論文集 [online],日本,電子情報通信学会データ工学研究専門委員会,2006年 6月30日
サグアントラクーン ソムヌック 外6名,“放送型データのユーザ適応型分類・選択手法”,情報処理学会研究報告,日本,社団法人情報処理学会,1997年11月 7日,第97巻,第104号,p.249~254
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Yasuhiko Murayama