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Title:
ログ処理装置およびその動作方法
Document Type and Number:
Japanese Patent JP5216895
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To eliminate imbalance in the number of logs for each service used for recommending a content.SOLUTION: When a Gini coefficient GC for each service ID calculated for sets of logs including the service ID is larger than a threshold GCT (S5:NO), sets of logs having logs more than a threshold LT are searched for (S7), and steps S9 and S11 are processed for each set of logs according to each combination of a user ID and a series ID. In the step S9, sets of logs including a user ID and a series ID of the combination are searched for from a log accumulation part 11. In the following step S11, predetermined number of logs are selected from the sets of logs in order of transmission date and time from the latest one while unselected logs are deleted (S11).

Inventors:
Akira Nakayama
Hitoshi Seshita
Yu Kotani
Yoshida Taiga
Kimura Atsunobu
Makoto Nakatsuji
Tatsuro Ishida
Application Number:
JP2011124039A
Publication Date:
June 19, 2013
Filing Date:
June 02, 2011
Export Citation:
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Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G06Q30/02; G06Q30/06
Domestic Patent References:
JP2008502028A
JP2011081728A
JP2006302097A
JP2006053616A
JP2004326227A
Other References:
堤田 恭太,ソーシャルメディア上のアイテム共起を用いたサービス横断推薦,[online],日本,電子情報通信学会データ工学専門委員会,2011年 3月 1日,URL:http://db-event.jpn.org/deim2011/proceedings/pdf/f7-3.pdf
神嶌 敏弘,2009年度人工知能学会全国大会(第23回)論文集,社団法人人工知能学会,2009年 6月19日,pp.1-4
柳原 正,クロスメディア型レコメンデーションの提案と評価,日本データベース学会論文誌,日本,日本データベース学会,2009年 9月25日,第8巻 第2号,pp.13-18
Attorney, Agent or Firm:
Hidekazu Miyoshi
Rie Kudo



 
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