Predicting Antonyms in Context using BERT. - Ayana Niwa; Keisuke Nishiguchi; Naoaki Okazaki (INLG, 2021)

Construction of a Corpus of Rhetorical Devices in Slogans and Structural Analysis of Antitheses. - Ayana Niwa; Naoaki Okazaki; Kohei Wakimoto; Keisuke Nishiguchi; Masataka Mouri (ACM Trans. Asian Low Resour. Lang. Inf. Process., 2021)

Interpretability for Language Learners Using Example-Based Grammatical Error Correction. - Masahiro Kaneko; Sho Takase; Ayana Niwa; Naoaki Okazaki (ACL (1), 2022)

Nearest Neighbor Non-autoregressive Text Generation. - Ayana Niwa; Sho Takase; Naoaki Okazaki (J. Inf. Process., 2023)

AmbigNLG: Addressing Task Ambiguity in Instruction for NLG. - Ayana Niwa; Hayate Iso (EMNLP, 2024)

Rectifying Belief Space via Unlearning to Harness LLMs' Reasoning. - Ayana Niwa; Masahiro Kaneko; Kentaro Inui (ACL (Findings), 2025)

ExaGPT: Example-Based Machine-Generated Text Detection for Human Interpretability. - Ryuto Koike; Masahiro Kaneko; Ayana Niwa; Preslav Nakov; Naoaki Okazaki (CoRR, 2025)