A Short-Term Course of STEAM Education through IoT Exercises for High School Students. - Koki Ota; Tsuyoshi Nakajima; Hiroki Suda (COMPSAC, 2020)

Comparative Evaluation of Network-Based and NLP-based Methods for Detecting Conspiracy Theory Communities on YouTube. - Koki Ota; Fujio Toriumi (IEEE Big Data, 2024)

Pathways to Conspiracy Theorizing on YouTube in Japan. - Koki Ota; Masaki Chujyo; Fujio Toriumi (ICWSM, 2025)