collaborators

18 papers

cs.CL2026

Polyglot Teachers: Evaluating Language Models for Multilingual Synthetic Data Generation

Lester James V. Miranda, Ivan Vulić, Anna Korhonen

Synthesizing supervised finetuning (SFT) data from language models (LMs) to teach smaller models multilingual tasks has become increasingly common. However, teacher model selection…

cs.LG2026

Visual Planning: Let's Think Only with Images

Yi Xu, Chengzu Li, Han Zhou +4

Recent advancements in Large Language Models (LLMs) and their multimodal extensions (MLLMs) have substantially enhanced machine reasoning across diverse tasks. However, these model…

cs.CV2026

RAVENEA: A Benchmark for Multimodal Retrieval-Augmented Visual Culture Understanding

Jiaang Li, Yifei Yuan, Wenyan Li +8

As vision-language models (VLMs) become increasingly integrated into daily life, the need for accurate visual culture understanding is becoming critical. Yet, these models frequent…

cs.CY2026

Artificial intelligence is creating a new global linguistic hierarchy

Giulia Occhini, Kumiko Tanaka-Ishii, Anna Barford +9

Artificial intelligence (AI) has the potential to transform healthcare, education, governance and socioeconomic equity, but its benefits remain concentrated in a small number of la…

cs.LG2026

Agentic Policy Optimization via Instruction-Policy Co-Evolution

Han Zhou, Xingchen Wan, Ivan Vulić +1

Reinforcement Learning with Verifiable Rewards (RLVR) has advanced the reasoning capability of large language models (LLMs), enabling autonomous agents that can conduct effective m…

cs.LG2026

Multi-Agent Design: Optimizing Agents with Better Prompts and Topologies

Han Zhou, Xingchen Wan, Ruoxi Sun +5

Large language models, employed as multiple agents that interact and collaborate with each other, have excelled at solving complex tasks. The agents are programmed with prompts tha…