Paraphrase Identification for Twitter by Co-Training Based on Words and Characters. - Koichi Nagatsuka; Masayasu Atsumi (SCIS&ISIS, 2018)

Pre-training a BERT with Curriculum Learning by Increasing Block-Size of Input Text. - Koichi Nagatsuka; Clifford Broni-Bediako; Masayasu Atsumi (RANLP, 2021)

Prediction and Analysis of Drug-Glycoprotein Interactions with Mutual Attention Neural Networks. - Eiji Shinkawa; Koichi Nagatsuka; Yuki Murata; Tamiko Ono; Masae Hosoda; Kiyoko F. Aoki-Kinoshita; Masayasu Atsumi (SCIS/ISIS, 2022)

Length-Based Curriculum Learning for Efficient Pre-training of Language Models. - Koichi Nagatsuka; Clifford Broni-Bediako; Masayasu Atsumi (New Gener. Comput., 2023)

A Nested Watermark for Large Language Models. - Koichi Nagatsuka; Terufumi Morishita; Yasuhiro Sogawa (CoRR, 2025)