activity
20242026
most citedSimAD: A Simple Dissimilarity-based Approach for Time Series Anomaly Detection

4 citations · 8 across the 9 of their papers we have counts for

collaborators

11 papers

cs.LG2026

Future of Time Series Anomaly Detection: From Historical Review to Unified Outlook

Zhijie Zhong, Zhiwen Yu, Pengyu Li +6

Time series anomaly detection (TSAD) is a foundational problem in data mining, aiming to identify observations that deviate significantly from nominal temporal patterns. Driven by…

cs.LG2026

Learning universal approximations for partial differential equations with Physics-Informed Broad Learning System

Zhiwen Yu, Derong Yang, Liujian Zhang +5

Partial differential equations (PDEs) play a central role in modeling complex physical, biological, and engineering systems. While traditional numerical solvers are robust, they of…

cs.LG2025

PathFinder: Advancing Path Loss Prediction for Single-to-Multi-Transmitter Scenario

Zhijie Zhong, Zhiwen Yu, Pengyu Li +3

Radio path loss prediction (RPP) is critical for optimizing 5G networks and enabling IoT, smart city, and similar applications. However, current deep learning-based RPP methods lac…

cs.IR2025

Large Language Model Enhanced Graph Invariant Contrastive Learning for Out-of-Distribution Recommendation

Jiahao Liang, Haoran Yang, Xiangyu Zhao +4

Out-of-distribution (OOD) generalization has emerged as a significant challenge in graph recommender systems. Traditional graph neural network algorithms often fail because they le…

cs.IR2025

Democratic Recommendation with User and Item Representatives Produced by Graph Condensation

Jiahao Liang, Haoran Yang, Xiangyu Zhao +4

The challenges associated with large-scale user-item interaction graphs have attracted increasing attention in graph-based recommendation systems, primarily due to computational in…

cs.LG2025

Rethinking the Unsupervised Paradigm in Time Series Anomaly Detection: An Empirical Study and Minimalist Baseline

Zhijie Zhong, Zhiwen Yu, Kaixiang Yang +3

Time series anomaly detection (TSAD) research predominantly focuses on unsupervised architectures to model normal data dynamics under label scarcity. However, practical deployments…

cs.LG2025

CCE: Confidence-Consistency Evaluation for Time Series Anomaly Detection

Zhijie Zhong, Zhiwen Yu, Yiu-ming Cheung +1

Time Series Anomaly Detection metrics serve as crucial tools for model evaluation. However, existing metrics suffer from several limitations: insufficient discriminative power, str…

cs.CV2025

RoHyDR: Robust Hybrid Diffusion Recovery for Incomplete Multimodal Emotion Recognition

Yuehan Jin, Xiaoqing Liu, Yiyuan Yang +3

Multimodal emotion recognition analyzes emotions by combining data from multiple sources. However, real-world noise or sensor failures often cause missing or corrupted data, creati…

cs.LG2024

A New Perspective on Time Series Anomaly Detection: Faster Patch-based Broad Learning System

Pengyu Li, Zhijie Zhong, Tong Zhang +3

Time series anomaly detection (TSAD) has been a research hotspot in both academia and industry in recent years. Deep learning methods have become the mainstream research direction…

cs.LG2024★ 4 cited

SimAD: A Simple Dissimilarity-based Approach for Time Series Anomaly Detection

Zhijie Zhong, Zhiwen Yu, Xing Xi +5

Despite the prevalence of reconstruction-based deep learning methods, time series anomaly detection remains a tremendous challenge. Existing approaches often struggle with limited…

cs.LG2024★ 4 cited

PatchAD: A Lightweight Patch-based MLP-Mixer for Time Series Anomaly Detection

Zhijie Zhong, Zhiwen Yu, Yiyuan Yang +2

Time series anomaly detection is a pivotal task in data analysis, yet it poses the challenge of discerning normal and abnormal patterns in label-deficient scenarios. While prior st…