activity
20242026
collaborators

8 papers

cs.CL2026

Identifying Influential N-grams in Confidence Calibration via Regression Analysis

Shintaro Ozaki, Wataru Hashimoto, Hidetaka Kamigaito +2

While large language models (LLMs) improve performance by explicit reasoning, their responses are often overconfident, even though they include linguistic expressions demonstrating…

cs.CL2025

Do LLMs Need to Think in One Language? Correlation between Latent Language and Task Performance

Shintaro Ozaki, Tatsuya Hiraoka, Hiroto Otake +8

Large Language Models (LLMs) are known to process information using a proficient internal language consistently, referred to as latent language, which may differ from the input or…

cs.CV2025

Diagnosing Vision Language Models' Perception by Leveraging Human Methods for Color Vision Deficiencies

Kazuki Hayashi, Shintaro Ozaki, Yusuke Sakai +2

Large-scale Vision-Language Models (LVLMs) are being deployed in real-world settings that require visual inference. As capabilities improve, applications in navigation, education,…

cs.CL2025

TextTIGER: Text-based Intelligent Generation with Entity Prompt Refinement for Text-to-Image Generation

Shintaro Ozaki, Tomoyuki Jinno, Kazuki Hayashi +6

When generating images from prompts that include specific entities, the model must retain as much entity-specific knowledge as possible. However, the number of entities is almost c…

cs.CL2024

Understanding the Impact of Confidence in Retrieval Augmented Generation: A Case Study in the Medical Domain

Shintaro Ozaki, Yuta Kato, Siyuan Feng +8

Retrieval Augmented Generation (RAG) complements the knowledge of Large Language Models (LLMs) by leveraging external information to enhance response accuracy for queries. This app…

cs.CL2024

BQA: Body Language Question Answering Dataset for Video Large Language Models

Shintaro Ozaki, Kazuki Hayashi, Miyu Oba +3

A large part of human communication relies on nonverbal cues such as facial expressions, eye contact, and body language. Unlike language or sign language, such nonverbal communicat…