collaborators

6 papers

cs.CL2026

LLM-jp-4 Technical Report

LLM-jp, :, Chaoran Liu +16

This paper presents LLM-jp-4, a family of Japanese sovereign large language models (LLMs) developed with an emphasis on transparency, reproducibility, and practical usability. LLM-…

cs.CL2026

How Well Can LLMs Simulate Real Learner Evaluations of Educational Feedback?

Momoka Furuhashi, Kouta Nakayama, Takashi Kodama +2

While recent studies have explored human behavior and preference simulation using large language models (LLMs), it remains unclear how well LLMs can simulate subjective evaluations…

cs.CL2026

Measuring Task-Agnostic Training Data Influence Across Language Model Pretraining

Yuto Nishida, Hirokazu Kiyomaru, Yusuke Oda +6

Measuring training data influence consistently across language model pretraining is challenging. It is difficult to select downstream tasks or validation sets representative of a m…

cs.CL2026

Investigating Learner-Aware Design of LLM-Generated Educational Feedback

Momoka Furuhashi, Kouta Nakayama, Noboru Kawai +3

Although large language models (LLMs) show promise for generating educational feedback, it remains unclear how feedback should be designed (e.g., tone and coverage) to support answ…

cs.CL2025

Are Checklists Really Useful for Automatic Evaluation of Generative Tasks?

Momoka Furuhashi, Kouta Nakayama, Takashi Kodama +1

Automatic evaluation of generative tasks using large language models faces challenges due to ambiguous criteria. Although automatic checklist generation is a potentially promising…

cs.CL2025

AnswerCarefully: A Dataset for Improving the Safety of Japanese LLM Output

Hisami Suzuki, Satoru Katsumata, Takashi Kodama +3

In this paper we present AnswerCarefully, a dataset for promoting the safety and appropriateness of Japanese LLM outputs. The dataset consists of 1,800 pairs of questions and refer…