collaborators

7 papers

cs.CL2026

Soft Token Alignment for Cross-Lingual Reasoning

Jiayi He, Jungsoo Park, Wei Xu +1

Multilingual large language models often produce inconsistent reasoning and answers for semantically equivalent prompts in different languages. Prior work suggests that intermediat…

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

Learning to Route Languages for Multilingual Policy Optimization

Geyang Guo, Hiromi Wakaki, Yuki Mitsufuji +2

Large language models~(LLMs) are trained on heterogeneous multilingual corpora, yet existing policy optimization methods often implicitly restrict each training question to a singl…

cs.CL2026

Flipping the Dialogue: Training and Evaluating User Language Models

Tarek Naous, Philippe Laban, Wei Xu +1

Conversations with LMs involve two participants: a human user leading the conversation, and an LM assistant responding to the user's request. To satisfy this specific role, LMs are…

cs.CL2025

What are Foundation Models Cooking in the Post-Soviet World?

Anton Lavrouk, Tarek Naous, Alan Ritter +1

The culture of the Post-Soviet states is complex, shaped by a turbulent history that continues to influence current events. In this study, we investigate the Post-Soviet cultural f…

cs.CL2025

CARE: Multilingual Human Preference Learning for Cultural Awareness

Geyang Guo, Tarek Naous, Hiromi Wakaki +4

Language Models (LMs) are typically tuned with human preferences to produce helpful responses, but the impact of preference tuning on the ability to handle culturally diverse queri…