Playing with a Robot: Realization of "Red Light, Green Light" Using a Laser Range Finder. - Keisuke Sakai; Yutaka Hiroi; Akinori Ito (RVSP, 2015)

Running trajectory optimization to mitigate delay propagation in highly frequent train service based on continuous train position acquisition. - Keisuke Sakai; Wataru Ohnishi; Takafumi Koseki; Kazuhiro Tanaka; Shunji Morita; Katsutoshi Tokuhara; Koki Kasai (ISIE, 2021)

An Automatic Detection System for Fake Japanese Shopping Sites Using fastText and LightGBM. - Keisuke Sakai; Kosuke Takeshige; Kazuki Kato; Naoki Kurihara; Katsumi Ono; Masaki Hashimoto (IEEE Access, 2023)

An Analysis of the Relationship Between Black-Hat SEO Malware Families Leveraging Information from Redirected Fake E-Commerce Scam Sites. - Makoto Shimamura; Shingo Matsugaya; Keisuke Sakai; Kosuke Takeshige; Masaki Hashimoto (DSC, 2024)

Characteristic Analysis and Attack Group Identification of Phishing Sites Targeting Japan. - Shingo Matsugaya; Makoto Shimamura; Kosuke Takeshige; Keisuke Sakai; Masaki Hashimoto (EIDWT, 2025)

Uncovering Black-hat SEO based fake E-commerce scam groups from their redirectors and websites. - Makoto Shimamura; Shingo Matsugaya; Keisuke Sakai; Kosuke Takeshige; Masaki Hashimoto (CoRR, 2025)