collaborators

5 papers

cs.CL2026

An Empirical Study of Automating Agent Evaluation

Kang Zhou, Sangmin Woo, Haibo Ding +14

Agent evaluation requires assessing complex multi-step behaviors involving tool use and intermediate reasoning, making it costly and expertise-intensive. A natural question arises:…

cs.AI2026

CollabEval: Enhancing LLM-as-a-Judge via Multi-Agent Collaboration

Yiyue Qian, Shinan Zhang, Yun Zhou +3

Large Language Models (LLMs) have revolutionized AI-generated content evaluation, with the LLM-as-a-Judge paradigm becoming increasingly popular. However, current single-LLM evalua…

cs.CL2026

PromptPrism: A Linguistically-Inspired Taxonomy for Prompts

Sullam Jeoung, Yueyan Chen, Yi Zhang +3

Prompts are the interface for eliciting the capabilities of large language models (LLMs). Understanding their structure and components is critical for analyzing LLM behavior and op…

cs.CV2025

Black-Box Visual Prompt Engineering for Mitigating Object Hallucination in Large Vision Language Models

Sangmin Woo, Kang Zhou, Yun Zhou +4

Large Vision Language Models (LVLMs) often suffer from object hallucination, which undermines their reliability. Surprisingly, we find that simple object-based visual prompting --…

cs.CL2025

A Systematic Survey of Automatic Prompt Optimization Techniques

Kiran Ramnath, Kang Zhou, Sheng Guan +18

Since the advent of large language models (LLMs), prompt engineering has been a crucial step for eliciting desired responses for various Natural Language Processing (NLP) tasks. Ho…