Kakeru Hattori

Joined

March 2024

Names

Kakeru Hattori (Preferred)

Emails

****@nlp.c.titech.ac.jp (Confirmed)

Personal Links

Homepage

Career & Education History

MS student

Computing, Institute of Science Tokyo (m.isct.ac.jp)

2023 – 2025

Undergrad student

Computing, Institute of Science Tokyo (m.isct.ac.jp)

2019 – 2023

Advisors, Relations & Conflicts

Postdoc Advisor

Naoaki Okazaki

2022 – 2025

Expertise

No areas of expertise listed

Publications

Why We Build Local Large Language Models: An Observational Analysis from 35 Japanese and Multilingual LLMs
Koshiro Saito, Sakae Mizuki, Masanari Oi, Taishi Nakamura, Taihei Shiotani, Koki Maeda, Youmi Ma, Kakeru Hattori, Kazuki Fujii, Takumi Okamoto, Shigeki Ishida, Hiroya Takamura, Rio Yokota, Naoaki Okazaki
- 1st workshop on Multilingual and Equitable Language Technologies (MELT), COLM 2025
- Readers: Everyone
Rewriting Pre-Training Data Boosts LLM Performance in Math and Code
Kazuki Fujii, Yukito Tajima, Sakae Mizuki, Masaki Kawamura, Hinari Shimada, Taihei Shiotani, Koshiro Saito, Masanari Oi, Taishi Nakamura, Takumi Okamoto, Shigeki Ishida, Kakeru Hattori, Youmi Ma, Hiroya Takamura, Rio Yokota, Jun Sakuma, Naoaki Okazaki
- ICLR 2026 Poster
- Readers: Everyone
Rewriting Pre-Training Data Boosts LLM Performance in Math and Code
Kazuki Fujii, Yukito Tajima, Sakae Mizuki, Hinari Shimada, Taihei Shiotani, Koshiro Saito, Masanari Ohi, Masaki Kawamura, Taishi Nakamura, Takumi Okamoto, Shigeki Ishida, Kakeru Hattori, Youmi Ma, Hiroya Takamura, Rio Yokota, Naoaki Okazaki
- Submitted to NeurIPS 2025 Datasets and Benchmarks Track
- Readers: Everyone
Building Instruction-Tuning Datasets from Human-Written Instructions with Open-Weight Large Language Models
Youmi Ma, Sakae Mizuki, Kazuki Fujii, Taishi Nakamura, Masanari Ohi, Hinari Shimada, Taihei Shiotani, Koshiro Saito, Koki Maeda, Kakeru Hattori, Takumi Okamoto, Shigeki Ishida, Rio Yokota, Hiroya Takamura, Naoaki Okazaki
- COLM 2025
- Readers: Everyone
Continual Pre-Training for Cross-Lingual LLM Adaptation: Enhancing Japanese Language Capabilities
Kazuki Fujii, Taishi Nakamura, Mengsay Loem, Hiroki Iida, Masanari Ohi, Kakeru Hattori, Hirai Shota, Sakae Mizuki, Rio Yokota, Naoaki Okazaki
- COLM
- Readers: Everyone
Building a Large Japanese Web Corpus for Large Language Models
Naoaki Okazaki, Kakeru Hattori, Hirai Shota, Hiroki Iida, Masanari Ohi, Kazuki Fujii, Taishi Nakamura, Mengsay Loem, Rio Yokota, Sakae Mizuki
- COLM
- Readers: Everyone

Kakeru Hattori

Names

Emails

Personal Links

Career & Education History

Advisors, Relations & Conflicts

Expertise

Publications

Why We Build Local Large Language Models: An Observational Analysis from 35 Japanese and Multilingual LLMs

Rewriting Pre-Training Data Boosts LLM Performance in Math and Code

Rewriting Pre-Training Data Boosts LLM Performance in Math and Code

Building Instruction-Tuning Datasets from Human-Written Instructions with Open-Weight Large Language Models

Continual Pre-Training for Cross-Lingual LLM Adaptation: Enhancing Japanese Language Capabilities

Building a Large Japanese Web Corpus for Large Language Models

Co-Authors