collaborators

5 papers

cs.CV2026

Can Humans Dream of Electric Sheep? Human-Written Samples for Fine-Grained Vision-and-Language Hallucination Benchmarking

Timothee Mickus, Claudio Savelli, Eduardo Calò +10

In an age of rapid model turnover, how do we make hallucination evaluation more perennial? We explore whether human-written hallucination samples could take the place of model-gene…

cs.CL2025

Massively Multilingual Adaptation of Large Language Models Using Bilingual Translation Data

Shaoxiong Ji, Zihao Li, Jaakko Paavola +2

This paper investigates a critical design decision in the practice of massively multilingual continual pre-training -- the inclusion of parallel data. Specifically, we study the im…

cs.CL2025

EMMA-500: Enhancing Massively Multilingual Adaptation of Large Language Models

Shaoxiong Ji, Zihao Li, Jaakko Paavola +7

In this work, we introduce EMMA-500, a large-scale multilingual language model continue-trained on texts across 546 languages designed for enhanced multilingual performance, focusi…

cs.CL2025

GlotEval: A Test Suite for Massively Multilingual Evaluation of Large Language Models

Hengyu Luo, Zihao Li, Joseph Attieh +12

Large language models (LLMs) are advancing at an unprecedented pace globally, with regions increasingly adopting these models for applications in their primary language. Evaluation…

cs.CL2025

Rethinking Multilingual Continual Pretraining: Data Mixing for Adapting LLMs Across Languages and Resources

Zihao Li, Shaoxiong Ji, Hengyu Luo +1

Large Language Models (LLMs) exhibit significant disparities in performance across languages, primarily benefiting high-resource languages while marginalizing underrepresented ones…