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(2026.09.03) Accepted at EMNLP 2026

Happy to share that our three papers have been accepted at the 2026 Conference on Empirical Methods in Natural Language Processing (EMNLP 2026). Daisuke Maekawa, Kazumasa Omura, Sora Tarumoto, Shotaro Ishihara, and Tomoyuki Kajiwara (2026). Subjective and Hierarchical Annotation of Text Difficulty in Japanese. Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing (EMNLP 2026). Kazuma Iwamoto, Kazumasa Omura, and Shotaro Ishihara (2026). An Empirical Analysis of Factual Errors in Human-Written Text and Its Application to Factual Error Detection. Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing (EMNLP 2026) (Findings). [ arXiv ] Tomoaki Yasuda and Shotaro Ishihara (2026). Reproducing Omitted Temporal Expressions in Japanese News for Retrieval-Augmented Applications. Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing (EMNLP 2026) (Industry Track).

(2026.08.31) I've joined Google

Happy to share that I’ve joined Google’s global Cloud AI team. As Japan’s Developer Advocate, I’ll be responsible for sharing information and relaying requests from Japan back to the team. To help boost AI adoption in Japan, I’ll normally be working from Japan, so please feel free to reach out for speaking engagements, info exchanges, or anything else.

(2026.04.27) Accepted at ACL 2026 Demo

Happy to share that our paper has been accepted at the 64th Annual Meeting of the Association for Computational Linguistics (ACL 2026) (System Demonstrations). Hiromu Takahashi, and Shotaro Ishihara (2026). Fast-MIA: Efficient and Scalable Membership Inference for LLMs. Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (ACL 2026) (System Demonstrations). [ arXiv ]

(2026.04.24) Accepted at Transactions of JSAI

Happy to share that our paper has been accepted at Transactions of the Japanese Society for Artificial Intelligence. 石原祥太郎, 高橋寛武 (2026). 大規模言語モデルの訓練データ暗記の研究動向. 人工知能学会論文誌, 41巻, 4号.

(2026.04.16) Accepted at IC2S2 2026

Happy to share that our submission has been accepted at the 12th International Conference on Computational Social Science (IC2S2 2026). Kaho Suzuki, Masaki Chujyo, Fujio Toriumi, Shotaro Ishihara, Ryo Namiki (2026). Effects of News Delivery Formats on the Article Diversity. 12th International Conference on Computational Social Science (IC2S2 2026).

(2025.11.11) Publishing a Japanese Kaggle x LLM Book

https://www.kodansha.co.jp/book/products/0000420398

(2025.06.11) Accepted at ACL 2025 workshop

https://sites.google.com/view/memorization-workshop/home

(2025.06.03) Accepted at KES 2025

http://kes2025.kesinternational.org/index.php

(2025.04.25) Accepted at NLDB 2025

https://www.jaist.ac.jp/event/nldb2025/

(2024.11.14) Presentation at HCI 210 & UBI 84

https://www.ipsj.or.jp/kenkyukai/event/hci210ubi84.html