collaborators

11 papers

cs.AI2026

Agents' Last Exam

Yiyou Sun, Xinyang Han, Weichen Zhang +306

Recent AI systems have achieved strong results on a wide range of benchmarks, yet these gains have not translated into economically meaningful deployment across many professional d…

cs.AI2026

Detecting Unfaithful Chain-of-Thought via Circuit-Guided Internal-External Discrepancy

Xu Shen, Zhen Tan, Song Wang +4

Chain-of-thought (CoT) reasoning improves the problem-solving ability of large language models (LLMs), but generated reasoning traces may not faithfully reflect the model's actual…

cs.AI2026

BlindGuard: Safeguarding LLM-based Multi-Agent Systems under Unknown Attacks

Rui Miao, Yixin Liu, Yili Wang +5

The security of LLM-based multi-agent systems (MAS) is critically threatened by propagation vulnerability, where malicious agents can distort collective decision-making through int…

cs.LG2026

Mamba-Based Graph Convolutional Networks: Tackling Over-smoothing with Selective State Space

Xin He, Yili Wang, Wenqi Fan +4

Graph Neural Networks (GNNs) have shown great success in various graph-based learning tasks. However, it often faces the issue of over-smoothing as the model depth increases, which…

cs.AI2025

HyperD: Hybrid Periodicity Decoupling Framework for Traffic Forecasting

Minlan Shao, Zijian Zhang, Yili Wang +3

Accurate traffic forecasting plays a vital role in intelligent transportation systems, enabling applications such as congestion control, route planning, and urban mobility optimiza…

cs.LG2025

Raising the Bar in Graph OOD Generalization: Invariant Learning Beyond Explicit Environment Modeling

Xu Shen, Yixin Liu, Yili Wang +5

Out-of-distribution (OOD) generalization has emerged as a critical challenge in graph learning, as real-world graph data often exhibit diverse and shifting environments that tradit…