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1. WO2020070916 - CALCULATION DEVICE, CALCULATION METHOD, AND CALCULATION PROGRAM

Publication Number WO/2020/070916
Publication Date 09.04.2020
International Application No. PCT/JP2019/016375
International Filing Date 16.04.2019
IPC
G06F 21/55 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
55Detecting local intrusion or implementing counter-measures
G06N 20/00 2019.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
20Machine learning
CPC
G06F 21/55
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
55Detecting local intrusion or implementing counter-measures
G06N 20/00
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
20Machine learning
Applicants
  • 日本電信電話株式会社 NIPPON TELEGRAPH AND TELEPHONE CORPORATION [JP]/[JP]
Inventors
  • 千葉 大紀 CHIBA, Daiki
  • 高田 雄太 TAKATA, Yuta
  • 秋山 満昭 AKIYAMA, Mitsuaki
Agents
  • 特許業務法人酒井国際特許事務所 SAKAI INTERNATIONAL PATENT OFFICE
Priority Data
2018-18772302.10.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) CALCULATION DEVICE, CALCULATION METHOD, AND CALCULATION PROGRAM
(FR) DISPOSITIF, PROCÉDÉ ET PROGRAMME DE CALCUL
(JA) 算出装置、算出方法及び算出プログラム
Abstract
(EN)
A calculation device (10) receives input of a plurality of items of training data including, as data, a communication destination that is known to be malevolent. Further, the calculation device (10) generates, from each of the plurality of items of training data, a model for calculating the degree of malevolence of an input communication destination. Further, the calculation device (10) assigns a weight to each model, and generates a mixed model using the models and the weights. Further, the calculation device (10), using the mixed model, calculates the degree of malevolence of a communication destination which is not known to be whether malevolent or not.
(FR)
L’invention ‌concerne‌ ‌un‌ dispositif de calcul (10) qui reçoit une entrée d'une pluralité d'éléments de données d'apprentissage comprenant, en tant que données, une destination de communication qui est connue comme étant malveillante. En outre, le dispositif de calcul (10) génère, à partir de chacun de la pluralité d'éléments de données d'apprentissage, un modèle pour calculer le degré de malveillance d'une destination de communication entrée. En outre, le dispositif de calcul (10) attribue un poids à chaque modèle, et génère un modèle mixte à l'aide des modèles et des poids. En outre, le dispositif de calcul (10), à l'aide du modèle mixte, calcule le degré de malveillance d'une destination de communication qui n'est pas connue comme étant malveillante ou non.
(JA)
算出装置(10)は、悪性であることが既知の通信先をデータとして含む複数の訓練データの入力を受け付ける。また、算出装置(10)は、入力された通信先の悪性度を算出するモデルを、複数の訓練データのそれぞれから生成する。また、算出装置(10)は、モデルのそれぞれに重みを付け、モデル及び重みを用いて混合モデルを生成する。また、算出装置(10)は、混合モデルを用いて悪性であるか否かが未知の通信先の悪性度を算出する。
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