collaborators

6 papers

cs.SE2026

Effective Harness Engineering for Algorithm Discovery with Coding Agents

Yoichi Ishibashi, Taro Yano, Masafumi Oyamada

AlphaEvolve and FunSearch have demonstrated the potential of combining large language models (LLMs) with evolutionary search for automated algorithm discovery. However, discovery s…

cs.CL2025

Can a Crow Hatch a Falcon? Lineage Matters in Predicting Large Language Model Performance

Takuya Tamura, Taro Yano, Masafumi Enomoto +1

Accurately forecasting the performance of Large Language Models (LLMs) before extensive fine-tuning or merging can substantially reduce both computational expense and development t…

cs.CL2025

An Empirical Study of LLM-as-a-Judge: How Design Choices Impact Evaluation Reliability

Yusuke Yamauchi, Taro Yano, Masafumi Oyamada

As large language models (LLMs) continue to advance, reliable evaluation methods are essential particularly for open-ended, instruction-following tasks. LLM-as-a-Judge enables auto…

cs.CL2025

Can Large Language Models Invent Algorithms to Improve Themselves?: Algorithm Discovery for Recursive Self-Improvement through Reinforcement Learning

Yoichi Ishibashi, Taro Yano, Masafumi Oyamada

Large Language Models (LLMs) have achieved remarkable capabilities, yet their improvement methods remain fundamentally constrained by human design. We present Self-Developing, a fr…

cs.CL2025

LaMDAgent: An Autonomous Framework for Post-Training Pipeline Optimization via LLM Agents

Taro Yano, Yoichi Ishibashi, Masafumi Oyamada

Large Language Models (LLMs) have demonstrated exceptional performance across a wide range of tasks. To further tailor LLMs to specific domains or applications, post-training techn…

cs.CL2025

Mining Hidden Thoughts from Texts: Evaluating Continual Pretraining with Synthetic Data for LLM Reasoning

Yoichi Ishibashi, Taro Yano, Masafumi Oyamada

Large Language Models (LLMs) have demonstrated significant improvements in reasoning capabilities through supervised fine-tuning and reinforcement learning. However, when training…