activity
20232026
most citedContextualization Distillation from Large Language Model for Knowledge Graph Completion

6 citations · 29 across the 47 of their papers we have counts for

collaborators

50 papers

cs.AI2026

AlignPoison: Conditional Targeted Poisoning of Generative Recommenders via Decoding-Aligned Prefixes

Zhuoxuan Zhang, Jinhao Duan, Xinyu Zhao +7

Generative recommendation models based on autoregressive decoding have been adopted as alternatives to classical ranking-based systems. While their modeling flexibility has been wi…

cs.LG2026

BeliefGraph-JEPA: Structured Latent World Models for Action-Conditioned Time Series

Yue Li, Kangqi Ni, Zhen Tan +1

Action-conditioned time-series forecasting requires accounting for how future actions and exogenous forcings influence multiple targets through partially observed effects with diff…

cs.RO2026

Bridging Language and Physics: Automated Design of Continuum Robots with Large Language Models

Jingyi Chen, Mohan Zhang, Laura Yao +5

Large language models (LLMs) have recently emerged as a promising tool for automating robot design from high-level specifications, yet they remain ineffective for robots operating…

cs.LG2026

DrugReason: Dynamic Multi-View Reasoning over Knowledge Graph and Language Evidence for Drug Repurposing

Zijie Liu, Hongxuan Li, Zhen Tan +5

Drug repurposing aims to identify new therapeutic uses for existing compounds and, compared with de novo drug discovery, offers a faster and more cost-effective path to clinical tr…

cs.CR2026

HarnessRisk: A Lifecycle-Oriented Benchmark for Agent Harness Safety

Yajing Bai, Jinhao Duan, Jie Peng +4

Large language models are increasingly deployed through agent harnesses that manage tools, extensions, persistent state, permissions, and external actions. Existing safety benchmar…

cs.IR2026

Diffusion-GR2: Diffusion Generative Reasoning Re-ranker

Zhuoxuan Zhang, Kangqi Ni, Yuhang Chen +12

Generative reasoning re-rankers achieve strong recommendation accuracy by emitting a chain-of-thought before re-ordering a candidate list, but they are slow at inference: an autore…

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.IR2026

End-to-End Dynamic Sparsity for Resource-Adaptive LLM Inference

Yuhang Chen, Jinhao Duan, Ruichen Zhang +11

Large Language Models (LLMs) inference is typically deployed under a static resource assumption, where models execute a fixed computational graph regardless of the runtime environm…

cs.IR2026

Bifocal Diffusion Language Models: Asymmetric Bidirectional Context for Parallel Generation

Yuhang Chen, Xianfeng Wu, Jinhao Duan +11

Discrete diffusion language models (dLLMs) recover masked tokens in parallel, offering significant speedups over autoregressive (AR) generation. However, such promising frameworks…

cs.CL2026

Does AI Reviewer See the Full Picture? Attacking and Defending Multimodal Peer Review

Xinyu Zhao, Rana Muhammad Shahroz Khan, Zhen Xu +2

The integration of Large Language Models (LLMs) and Multimodal LLMs (MLLMs) into scientific peer-review workflows introduces novel and significant risks for adversarial manipulatio…

cs.CR2026

Dynamic Malicious Skills in Agentic AI

Tianhao Chen, Zhengyuan Jiang, Yuepeng Hu +2

Skills are a key enabling component of agentic AI. While they enhance agents' capabilities, they also introduce new attack surfaces. In this work, we investigate one such attack su…

cs.IR2026

ReasonRec: A Reasoning-Augmented Multimodal Agent for Unified Recommendation

Yihua Zhang, Mingfu Liang, Jiyan Yang +11

Recent advances in multimodal recommenders excel at feature fusion but remain opaque and inefficient decision-makers, lacking explicit reasoning and self-awareness of uncertainty.…

cs.CR2026

Measuring Real-World Prompt Injection Attacks in LLM-based Resume Screening

Mohan Zhang, Yuqi Jia, Zhen Tan +4

LLMs are vulnerable to prompt injection attacks. However, this vulnerability has been primarily demonstrated conceptually in academic studies or through a few anecdotal case studie…

cs.AI2026

TRUST: A Framework for Decentralized AI Service v.0.1

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

Large Reasoning Models (LRMs) and Multi-Agent Systems (MAS) in high-stakes domains demand reliable verification, yet centralized approaches suffer four limitations: (1) Robustness,…

cs.LG2026

Understanding the Role of Hallucination in Reinforcement Post-Training of Multimodal Reasoning Models

Gengwei Zhang, Jie Peng, Zhen Tan +6

The recent success of reinforcement learning (RL) in large reasoning models has inspired the growing adoption of RL for post-training Multimodal Large Language Models (MLLMs) to en…

cs.CL2026

Probing to Refine: Reinforcement Distillation of LLMs via Explanatory Inversion

Zhen Tan, Chengshuai Zhao, Song Wang +3

Distilling robust reasoning capabilities from large language models (LLMs) into smaller, computationally efficient student models remains an unresolved challenge. Despite recent ad…

cs.CV2025

Fairness in Multi-modal Medical Diagnosis with Demonstration Selection

Dawei Li, Zijian Gu, Peng Wang +6

Multimodal large language models (MLLMs) have shown strong potential for medical image reasoning, yet fairness across demographic groups remains a major concern. Existing debiasing…

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…