collaborators

6 papers

cs.CL2026

Do Language Models Update their Forecasts with New Information?

Zhangdie Yuan, Zifeng Ding, Andreas Vlachos

Prior work has largely treated forecasting as a static task, failing to consider how forecasts and the confidence in them should evolve as new evidence emerges. To address this gap…

cs.CL2026

Multimodal Claim Extraction for Fact-Checking

Joycelyn Teo, Rui Cao, Zhenyun Deng +3

Automated Fact-Checking (AFC) relies on claim extraction as a first step, yet existing methods largely overlook the multimodal nature of today's misinformation. Social media posts…

cs.AI2025

TCP: a Benchmark for Temporal Constraint-Based Planning

Zifeng Ding, Sikuan Yan, Zhangdie Yuan +3

Temporal reasoning and planning are essential capabilities for large language models (LLMs), yet most existing benchmarks evaluate them in isolation and under limited forms of comp…

cs.CL2025

AVerImaTeC: A Dataset for Automatic Verification of Image-Text Claims with Evidence from the Web

Rui Cao, Zifeng Ding, Zhijiang Guo +2

Textual claims are often accompanied by images to enhance their credibility and spread on social media, but this also raises concerns about the spread of misinformation. Existing d…

cs.CV2025

Image Tokens Matter: Mitigating Hallucination in Discrete Tokenizer-based Large Vision-Language Models via Latent Editing

Weixing Wang, Zifeng Ding, Jindong Gu +4

Large Vision-Language Models (LVLMs) with discrete image tokenizers unify multimodal representations by encoding visual inputs into a finite set of tokens. Despite their effectiven…

cs.LG2025

FOReCAst: The Future Outcome Reasoning and Confidence Assessment Benchmark

Zhangdie Yuan, Zifeng Ding, Andreas Vlachos

Forecasting is an important task in many domains, such as technology and economics. However existing forecasting benchmarks largely lack comprehensive confidence assessment, focus…