CLASSIFICATION DEVICE, CLASSIFICATION METHOD, AND CLASSIFICATION PROGRAM

WIPO Patent Application WO/2024/089860

A1

This classification device extracts, from Tweets pertaining to reports of phishing attacks that are collected by a collection device, feature amounts for each of text and an image included in the Tweets. The classification device subsequently carries out learning, using the feature amounts, with respect to teaching data labeled with a correct-answer label indicating whether the Tweets pertain to reports of phishing attacks, thereby training a classification model for classifying inputted Tweets with regard to whether the Tweets pertain to reports of phishing attacks. The classification device subsequently classifies the Tweets with regard to whether the Tweets pertain to reports of phishing attacks by using the trained classification model. The classification device then outputs the result of classifying the Tweets with regard to whether the Tweets pertain to reports of phishing attacks.

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NAKANO HIROKI (JP)
CHIBA DAIKI (JP)
KOIDE TAKASHI (JP)
FUKUSHI NAOKI (JP)

PCT/JP2022/040260

May 02, 2024

October 27, 2022

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NIPPON TELEGRAPH & TELEPHONE (JP)

G06F16/35; G06F16/383

WO2020240834A1

2020-12-03

JP2015072614A	2015-04-16
JP2021193545A	2021-12-23

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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