activity
20242026
most citedSCALE: Towards Collaborative Content Analysis in Social Science with Large Language Model Agents and Human Intervention

3 citations · 4 across the 17 of their papers we have counts for

collaborators

18 papers

cs.CL2026

Generative Skill Composition for LLM Agents

Xinyu Zhao, Zhen Tan, Vaishnav Tadiparthi +5

Recent LLM agents benefit from skills for solving complex tasks. Skills encapsulate modular packages of procedural knowledge and instructions for performing specialized tasks, such…

cs.AI2026

LOGIGEN: Logic-Driven Generation of Verifiable Agentic Tasks

Yucheng Zeng, Weipeng Lu, Linyun Liu +9

The evolution of Large Language Models (LLMs) from static instruction-followers to autonomous agents necessitates operating within complex, stateful environments to achieve precise…

cs.AI2025

OR-R1: Automating Modeling and Solving of Operations Research Optimization Problem via Test-Time Reinforcement Learning

Zezhen Ding, Zhen Tan, Jiheng Zhang +1

Optimization modeling and solving are fundamental to the application of Operations Research (OR) in real-world decision making, yet the process of translating natural language prob…

cs.LG2025

Beyond Redundancy: Diverse and Specialized Multi-Expert Sparse Autoencoder

Zhen Xu, Zhen Tan, Song Wang +2

Sparse autoencoders (SAEs) have emerged as a powerful tool for interpreting large language models (LLMs) by decomposing token activations into combinations of human-understandable…

cs.AI2025

TRUST: A Decentralized Framework for Auditing Large Language Model Reasoning

Morris Yu-Chao Huang, Zhen Tan, Mohan Zhang +3

Large Language Models generate complex reasoning chains that reveal their decision-making, yet verifying the faithfulness and harmlessness of these intermediate steps remains a cri…

cs.LG2025

Leave It to the Experts: Detecting Knowledge Distillation via MoE Expert Signatures

Pingzhi Li, Morris Yu-Chao Huang, Zhen Tan +6

Knowledge Distillation (KD) accelerates training of large language models (LLMs) but poses intellectual property protection and LLM diversity risks. Existing KD detection methods b…

cs.LG2025

Can GRPO Help LLMs Transcend Their Pretraining Origin?

Kangqi Ni, Zhen Tan, Zijie Liu +2

Reinforcement Learning with Verifiable Rewards (RLVR), primarily driven by the Group Relative Policy Optimization (GRPO) algorithm, is a leading approach for enhancing the reasonin…

cs.AI2025

Multi-Agent Debate for LLM Judges with Adaptive Stability Detection

Tianyu Hu, Zhen Tan, Song Wang +2

With advancements in reasoning capabilities, Large Language Models (LLMs) are increasingly employed for automated judgment tasks. While LLMs-as-Judges offer promise in automating e…

cs.CV2025

Task-Aware Resolution Optimization for Visual Large Language Models

Weiqing Luo, Zhen Tan, Yifan Li +4

Real-world vision-language applications demand varying levels of perceptual granularity. However, most existing visual large language models (VLLMs), such as LLaVA, pre-assume a fi…

cs.AI2025

Metacognitive Self-Correction for Multi-Agent System via Prototype-Guided Next-Execution Reconstruction

Xu Shen, Qi Zhang, Song Wang +8

Large Language Model based multi-agent systems (MAS) excel at collaborative problem solving but remain brittle to cascading errors: a single faulty step can propagate across agents…

cs.AI2025

FaithCoT-Bench: Benchmarking Instance-Level Faithfulness of Chain-of-Thought Reasoning

Xu Shen, Song Wang, Zhen Tan +5

Large language models (LLMs) increasingly rely on Chain-of-Thought (CoT) prompting to improve problem-solving and provide seemingly transparent explanations. However, growing evide…

cs.CL2025

Transferring Expert Cognitive Models to Social Robots via Agentic Concept Bottleneck Models

Xinyu Zhao, Zhen Tan, Maya Enisman +4

Successful group meetings, such as those implemented in group behavioral-change programs, work meetings, and other social contexts, must promote individual goal setting and executi…

cs.LG2025

EQA-RM: A Generative Embodied Reward Model with Test-time Scaling

Yuhang Chen, Zhen Tan, Tianlong Chen

Reward Models (RMs), vital for large model alignment, are underexplored for complex embodied tasks like Embodied Question Answering (EQA) where nuanced evaluation of agents' spatia…

cs.CV2025

IndustryEQA: Pushing the Frontiers of Embodied Question Answering in Industrial Scenarios

Yifan Li, Yuhang Chen, Anh Dao +5

Existing Embodied Question Answering (EQA) benchmarks primarily focus on household environments, often overlooking safety-critical aspects and reasoning processes pertinent to indu…

cs.CV2025

Window Token Concatenation for Efficient Visual Large Language Models

Yifan Li, Wentao Bao, Botao Ye +4

To effectively reduce the visual tokens in Visual Large Language Models (VLLMs), we propose a novel approach called Window Token Concatenation (WiCo). Specifically, we employ a sli…

cs.CR2025

LightDefense: A Lightweight Uncertainty-Driven Defense against Jailbreaks via Shifted Token Distribution

Zhuoran Yang, Yanyong Zhang

Large Language Models (LLMs) face threats from jailbreak prompts. Existing methods for defending against jailbreak attacks are primarily based on auxiliary models. These strategies…

cs.AI2025★ 3 cited

SCALE: Towards Collaborative Content Analysis in Social Science with Large Language Model Agents and Human Intervention

Chengshuai Zhao, Zhen Tan, Chau-Wai Wong +3

Content analysis breaks down complex and unstructured texts into theory-informed numerical categories. Particularly, in social science, this process usually relies on multiple roun…

cs.LG2024★ 1 cited

QuantMoE-Bench: Examining Post-Training Quantization for Mixture-of-Experts

Pingzhi Li, Xiaolong Jin, Zhen Tan +2

Mixture-of-Experts (MoE) is a promising way to scale up the learning capacity of large language models. It increases the number of parameters while keeping FLOPs nearly constant du…