activity
20222025
most citedCan Multimodal Large Language Models Truly Perform Multimodal In-Context Learning?

5 citations · 12 across the 14 of their papers we have counts for

collaborators

14 papers

cs.AI2025

GroundedPRM: Tree-Guided and Fidelity-Aware Process Reward Modeling for Step-Level Reasoning

Yao Zhang, Yu Wu, Haowei Zhang +6

Process Reward Models (PRMs) aim to improve multi-step reasoning in Large Language Models (LLMs) by supervising intermediate steps and identifying errors. However, building effecti…

cs.CR2025

Deep Research Agents Brings Deeper Harm

Shuo Chen, Zonggen Li, Xingyu Jin +8

We reveal that Deep Research (DR) agents systematically expose safety risks: simply submitting harmful queries that a standalone LLM would reject outright can elicit detailed and d…

cs.CR2025

Strong but Brittle: Simple Attacks Subvert Reasoning-based Safety Guardrails

Shuo Chen, Zhen Han, Haokun Chen +6

Open-weight Large Reasoning Models (LRMs) are approaching the capabilities of their frontier counterparts but pose significant safety concerns, as they are difficult to patch or mo…

cs.CV2025

True Multimodal In-Context Learning Needs Attention to the Visual Context

Shuo Chen, Jianzhe Liu, Zhen Han +5

Multimodal Large Language Models (MLLMs), built on powerful language backbones, have enabled Multimodal In-Context Learning (MICL)-adapting to new tasks from a few multimodal demon…

cs.AI2025

Toward a Dynamic Stackelberg Game-Theoretic Framework for Agentic AI Defense Against LLM Jailbreaking

Zhengye Han, Quanyan Zhu

This paper proposes a game theoretic framework that models the interaction between prompt engineers and large language models (LLMs) as a two player extensive form game coupled wit…

cs.LG2024

PERFT: Parameter-Efficient Routed Fine-Tuning for Mixture-of-Expert Model

Yilun Liu, Yunpu Ma, Shuo Chen +4

The Mixture-of-Experts (MoE) paradigm has emerged as a powerful approach for scaling transformers with improved resource utilization. However, efficiently fine-tuning MoE models re…

cs.CL2024

Visual Question Decomposition on Multimodal Large Language Models

Haowei Zhang, Jianzhe Liu, Zhen Han +5

Question decomposition has emerged as an effective strategy for prompting Large Language Models (LLMs) to answer complex questions. However, while existing methods primarily focus…

cs.AI2024★ 4 cited

WebPilot: A Versatile and Autonomous Multi-Agent System for Web Task Execution with Strategic Exploration

Yao Zhang, Zijian Ma, Yunpu Ma +3

LLM-based autonomous agents often fail to execute complex web tasks that require dynamic interaction due to the inherent uncertainty and complexity of these environments. Existing…

cs.LG2024

Red Teaming GPT-4V: Are GPT-4V Safe Against Uni/Multi-Modal Jailbreak Attacks?

Shuo Chen, Zhen Han, Bailan He +5

Various jailbreak attacks have been proposed to red-team Large Language Models (LLMs) and revealed the vulnerable safeguards of LLMs. Besides, some methods are not limited to the t…

cs.CV2024

Stop Reasoning! When Multimodal LLM with Chain-of-Thought Reasoning Meets Adversarial Image

Zefeng Wang, Zhen Han, Shuo Chen +6

Multimodal LLMs (MLLMs) with a great ability of text and image understanding have received great attention. To achieve better reasoning with MLLMs, Chain-of-Thought (CoT) reasoning…

cs.CV2023★ 5 cited

Can Multimodal Large Language Models Truly Perform Multimodal In-Context Learning?

Shuo Chen, Zhen Han, Bailan He +6

Large Language Models (LLMs) with in-context learning (ICL) ability can quickly adapt to a specific context given a few demonstrations (demos). Recently, Multimodal Large Language…

cs.CL2023

GraphextQA: A Benchmark for Evaluating Graph-Enhanced Large Language Models

Yuanchun Shen, Ruotong Liao, Zhen Han +2

While multi-modal models have successfully integrated information from image, video, and audio modalities, integrating graph modality into large language models (LLMs) remains unex…

cs.AI2022

ForecastTKGQuestions: A Benchmark for Temporal Question Answering and Forecasting over Temporal Knowledge Graphs

Zifeng Ding, Zongyue Li, Ruoxia Qi +8

Question answering over temporal knowledge graphs (TKGQA) has recently found increasing interest. TKGQA requires temporal reasoning techniques to extract the relevant information f…

cs.CL2022★ 3 cited

ECOLA: Enhanced Temporal Knowledge Embeddings with Contextualized Language Representations

Zhen Han, Ruotong Liao, Jindong Gu +6

Since conventional knowledge embedding models cannot take full advantage of the abundant textual information, there have been extensive research efforts in enhancing knowledge embe…