認証装置、認証方法、及び認証プログラム

Japanese Patent JP7171196

B2

To provide an authentication device, an authentication method, and an authentication program which perform an appropriate authentication.SOLUTION: An authentication device 100 includes an acquisition unit 131, an extraction unit 134, and an authentication unit 135. The acquisition unit 131 acquires action information of one user and graph information in which a plurality of nodes corresponding to a plurality of action patterns, respectively associated with a corresponding user who performed an action corresponding to each action pattern are connected in accordance with similarity among the plurality of action patterns. The extraction unit 134 extracts a similar pattern as an action pattern similar to the action information of the one user from the plurality of action patterns by searching the graph information at a start node, among the plurality of nodes of the graph information acquired by the acquisition unit 131, that represents a start point of the search of the graph information determined on the basis of a prescribed reference, as a start point. The authentication unit 135 authenticates the one user on the basis of the corresponding user associated with the similar pattern extracted by the extraction unit.SELECTED DRAWING: Figure 3

Masajiro Iwasaki

JP2018010024A

November 15, 2022

January 24, 2018

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Yahoo Japan Corporation

G06F21/31; G06F16/22

JP2008123018A
JP201039599A

佐村敏治ほか,非定型な日本語文入力におけるキーストロークダイナミクス識別,システム/制御/情報,システム制御情報学会,2009年 4月15日,Vol.53,No.4,pp.19-27
岩崎雅二郎,木構造型インデックスを用いた近似k最近傍グラフによる近傍検索,情報処理学会論文誌 論文誌ジャーナル[CD-ROM],日本,一般社団法人情報処理学会,2011年 2月15日,Vol.52,No.2,pp.817-828

Sakai International Patent Office

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