Speciesist language and nonhuman animal bias in English Masked Language Models. - Masashi Takeshita; Rafal Rzepka; Kenji Araki (Inf. Process. Manag., 2022)

Towards Theory-based Moral AI: Moral AI with Aggregating Models Based on Normative Ethical Theory. - Masashi Takeshita; Rafal Rzepka; Kenji Araki (ETHAICS@IJCAI, 2023)

Analyzing Social Biases in Japanese Large Language Models. - Hitomi Yanaka; Namgi Han; Ryoma Kumon; Jie Lu; Masashi Takeshita; Ryo Sekizawa; Taisei Kato; Hiromi Arai (CoRR, 2024)

LLM-jp: A Cross-organizational Project for the Research and Development of Fully Open Japanese LLMs. - Akiko Aizawa; Eiji Aramaki; Bowen Chen; Fei Cheng 002; Hiroyuki Deguchi 002; Rintaro Enomoto; Kazuki Fujii; Kensuke Fukumoto; Takuya Fukushima; Namgi Han; Yuto Harada; Chikara Hashimoto; et al. (CoRR, 2024)

Speciesism in natural language processing research. - Masashi Takeshita; Rafal Rzepka (AI Ethics, 2025)

JETHICS: Japanese Ethics Understanding Evaluation Dataset. - Masashi Takeshita; Rafal Rzepka (CoRR, 2025)