activity
20162026
most citedEfficiently Leveraging Multi-level User Intent for Session-based Recommendation via Atten-Mixer Network

121 citations · 316 across the 60 of their papers we have counts for

collaborators

66 papers

cs.IR2026

Information-Gain Calibrated On-Policy Distillation for Deep Search Agents

Chenxi Li, Xueyang Feng, Songyang Liu +4

On-policy distillation (OPD) has recently emerged as a promising approach for transferring the capabilities of large agents to compact students. In deep search, where agents iterat…

cs.AI2026

AREX-2: Advancing Self-Improving Agents through Long-Horizon Reflective Tasks

Hongjin Qian, Chaofan Li, Kun Luo +11

We present AREX-2, an effort to advance the self-improving capability of LLM agents, which we define as the ability to iteratively refine a solution at test time. This ability rest…

cs.CL2026

Just-In-Time Agent Memory with Runtime Agentic Research

Bingyu Yan, Chaofan Li, Hongjin Qian +3

Memory is critical for AI agents. Many existing agent-memory systems follow an Ahead-of-Time (AOT) design, constructing memory before a specific request arrives. While this reduces…

cs.CL2026

CIBuzzBench: A Benchmark for Cross-Lingual Understanding of Chinese Internet Buzzwords

Yifan Wang, Junyu Lu, Qifan Wang +6

Chinese social media has generated a vast and continually evolving lexicon of internet buzzwords whose meanings are often non-literal and deeply rooted in local cultural and pragma…

cs.AI2026

Repo-To-Skill: Distilling GitHub Repositories Into AI4AI Skills

Jianlyu Chen, Yuyang Hu, Hongjin Qian +8

Autonomous agents are beginning to carry out machine-learning (ML) research end to end. These agents combine a model backbone with a harness for planning, execution, memory, and ve…

cs.AI2026

AREX: Towards a Recursively Self-Improving Agent for Deep Research

Shuqi Lu, Chaofan Li, Kun Luo +21

Deep research requires agents to find answers that jointly satisfy multiple constraints. Discovering such answers is costly, whereas verifying a candidate can often be decomposed i…

cs.LG2026

Auditing Privacy Risks in LLM-Enhanced Graph Neural Networks

Longzhu He, Zelang Wen, Chaozhuo Li +1

Large language models (LLMs) have recently advanced graph neural networks (GNNs) by enriching node representations with semantic information, giving rise to LLM-enhanced GNNs that…

cs.SI2026

Tabular Foundation Models for Multi-View Information Cascade Popularity Prediction

Wenting Zhu, Chenghua Gong, Sanchuan Guo +3

Predicting the future popularity of information cascades is essential for understanding information diffusion on social media. Despite recent advances, existing methods face two ke…

cs.CR2026

Benign Alone, Harmful Together: Exploiting Experience Composition in Self-Evolving LLM Agents

Bingyu Yan, Xiaoming Zhang, Chaozhuo Li +3

Self-evolving large language model agents improve their capabilities by distilling interaction trajectories into persistent experiences. Yet this mechanism introduces a new safety…

cs.SD2026

Audio-Zero: Label-Free Self-Evolution for Fine-Grained Audio Reasoning

Siqian Tong, Xuan Li, Chaozhuo Li +5

Large Audio Language models (LALMs) have made rapid progress on acoustic understanding, yet they still struggle with fine-grained audio reasoning (e.g., recognizing event order, re…

cs.AI2026

MOF-Sleuth: Tool-Grounded Reward Alignment for Explainable Fine-Grained MOF CIF Auditing

Yu Liu, Zhiwei Yang, Diandian Guo +7

Large metal-organic framework (MOF) databases support simulation, screening, and machine learning through crystallographic information files (CIFs). Subtle chemical and structural…

cs.LG2026

Towards Personalized Differentially Private Learning for Decentralized Local Graphs

Longzhu He, Peng Tang, Chaozhuo Li +5

Graph-structured data is increasingly generated and stored in decentralized environments, such as social platforms, mobile applications, and edge networks, where users maintain con…

cs.AI2026

OpenEvoShield: Dual Non-Stationary Continual Defense for Open-World Multi-Agent System Attacks

Litian Zhang, Chaozhuo Li, Yuting Zhang +3

LLM-based multi-agent systems (LLM-MAS) are increasingly deployed in safety-critical applications, where adversaries inject malicious instructions through inter-agent communication…

cs.CR2026

Evo-Attacker: Memory-Augmented Reinforcement Learning for Long-Horizon Tool Attacks on LLM-MAS

Bingyu Yan, Xiaoming Zhang, Jinyu Hou +4

While Large Language Model-based Multi-Agent Systems (LLM-MAS) demonstrate remarkable capabilities in solving complex tasks by orchestrating specialized agents and external tools,…

cs.AI2026

Conflict-Aware Multi-Agent Reasoning via Signed Graph Modeling

Longgang He, Longzhu He, Daojing He +2

LLM-based multi-agent systems (MAS) seek to improve reasoning by combining diverse perspectives from multiple agents. However, aggregation may overlook supportive, contradictory, a…

cs.CR2026

Model-Agnostic Lifelong LLM Safety via Externalized Attack-Defense Co-Evolution

Xiaozhe Zhang, Chaozhuo Li, Hui Liu +4

Large language models remain vulnerable to adversarial prompts that elicit harmful outputs. Existing safety paradigms typically couple red-teaming and post-training in a closed, po…

cs.LG2026

PropGuard: Safeguarding LLM-MAS via Propagation-Aware Exploration and Remediation

Bingyu Yan, Xiaoming Zhang, Jinyu Hou +4

LLM-based multi-agent systems (LLM-MAS) have become a promising paradigm for solving complex tasks through role specialization, tool use, memory, and collaborative reasoning. Howev…

cs.CL2026

Securing Computer-Use Agents: A Unified Architecture-Lifecycle Framework for Deployment-Grounded Reliability

Zejian Chen, Zhanyuan Liu, Chaozhuo Li +6

Computer-use agents(CUAs)are moving frombounded benchmarks toward real software environments, wherethey operate browsers, desktops, mobile applications, flesystems,terminals, and t…

cs.CR2026

ClawKeeper: Comprehensive Safety Protection for OpenClaw Agents Through Skills, Plugins, and Watchers

Songyang Liu, Chaozhuo Li, Chenxu Wang +8

OpenClaw has rapidly established itself as a leading open-source autonomous agent runtime, offering powerful capabilities including tool integration, local file access, and shell c…

cs.CR2026

Jailbreaking LLMs & VLMs: Mechanisms, Evaluation, and Unified Defense

Zejian Chen, Chaozhuo Li, Chao Li +3

This paper provides a systematic survey of jailbreak attacks and defenses on Large Language Models (LLMs) and Vision-Language Models (VLMs), emphasizing that jailbreak vulnerabilit…

cs.CR2026

How Real is Your Jailbreak? Fine-grained Jailbreak Evaluation with Anchored Reference

Songyang Liu, Chaozhuo Li, Rui Pu +5

Jailbreak attacks present a significant challenge to the safety of Large Language Models (LLMs), yet current automated evaluation methods largely rely on coarse classifications tha…

cs.CL2026

LANCET: Neural Intervention via Structural Entropy for Mitigating Faithfulness Hallucinations in LLMs

Chenxu Wang, Chaozhuo Li, Pengbo Wang +7

Large Language Models have revolutionized information processing, yet their reliability is severely compromised by faithfulness hallucinations. While current approaches attempt to…

cs.CR2025

Attack the Messages, Not the Agents: A Multi-round Adaptive Stealthy Tampering Framework for LLM-MAS

Bingyu Yan, Ziyi Zhou, Xiaoming Zhang +5

Large language model-based multi-agent systems (LLM-MAS) effectively accomplish complex and dynamic tasks through inter-agent communication, but this reliance introduces substantia…

cs.AI2025

Beyond Surface-Level Detection: Towards Cognitive-Driven Defense Against Jailbreak Attacks via Meta-Operations Reasoning

Rui Pu, Chaozhuo Li, Rui Ha +3

Defending large language models (LLMs) against jailbreak attacks is essential for their safe and reliable deployment. Existing defenses often rely on shallow pattern matching, whic…