collaborators

6 papers

cs.CL2026

Camellia: Benchmarking Cultural Biases in LLMs for Asian Languages

Tarek Naous, Anagha Savit, Carlos Rafael Catalan +17

As Large Language Models (LLMs) develop stronger multilingual capabilities, their sensitivity to culturally diverse entities becomes increasingly important. Prior work by Naous et…

cs.CL2026

Reasoning Model Is Superior LLM-Judge, Yet Suffers from Biases

Hui Huang, Xuanxin Wu, Muyun Yang +1

This paper presents the first systematic comparison investigating whether Large Reasoning Models (LRMs) are superior judges to non-reasoning LLMs. Our empirical analysis yields fou…

cs.CL2026

DiVA: Fine-grained Factuality Verification with Agentic-Discriminative Verifier

Hui Huang, Muyun Yang, Yuki Arase

Despite the significant advancements of Large Language Models (LLMs), their factuality remains a critical challenge, fueling growing interest in factuality verification. Existing r…

cs.CL2025

Policy-based Sentence Simplification: Replacing Parallel Corpora with LLM-as-a-Judge

Xuanxin Wu, Yuki Arase, Masaaki Nagata

Sentence simplification aims to modify a sentence to make it easier to read and understand while preserving the meaning. Different applications require distinct simplification poli…

cs.CL2025

An In-depth Evaluation of Large Language Models in Sentence Simplification with Error-based Human Assessment

Xuanxin Wu, Yuki Arase

Recent studies have used both automatic metrics and human evaluations to assess the simplification abilities of LLMs. However, the suitability of existing evaluation methodologies…

cs.CL2025

Aligning Sentence Simplification with ESL Learner's Proficiency for Language Acquisition

Guanlin Li, Yuki Arase, Noel Crespi

Text simplification is crucial for improving accessibility and comprehension for English as a Second Language (ESL) learners. This study goes a step further and aims to facilitate…