activity
20242026
collaborators

5 papers

cs.LG2026

Self-Improving World Modelling with Latent Actions

Yifu Qiu, Zheng Zhao, Waylon Li +4

Internal modelling of the world -- predicting transitions between previous states and next states under actions -- is essential to reasoning and planning for LLMs and V…

cs.CL2025

PersonaLens: A Benchmark for Personalization Evaluation in Conversational AI Assistants

Zheng Zhao, Clara Vania, Subhradeep Kayal +3

Large language models (LLMs) have advanced conversational AI assistants. However, systematically evaluating how well these assistants apply personalization--adapting to individual…

cs.CL2025

Iterative Multilingual Spectral Attribute Erasure

Shun Shao, Yftah Ziser, Zheng Zhao +3

Multilingual representations embed words with similar meanings to share a common semantic space across languages, creating opportunities to transfer debiasing effects between langu…

cs.CL2025

What Is That Talk About? A Video-to-Text Summarization Dataset for Scientific Presentations

Dongqi Liu, Chenxi Whitehouse, Xi Yu +6

Transforming recorded videos into concise and accurate textual summaries is a growing challenge in multimodal learning. This paper introduces VISTA, a dataset specifically designed…

cs.CL2024

Layer by Layer: Uncovering Where Multi-Task Learning Happens in Instruction-Tuned Large Language Models

Zheng Zhao, Yftah Ziser, Shay B. Cohen

Fine-tuning pre-trained large language models (LLMs) on a diverse array of tasks has become a common approach for building models that can solve various natural language processing…