collaborators

5 papers

cs.LG2025

FracAug: Fractional Augmentation boost Graph-level Anomaly Detection under Limited Supervision

Xiangyu Dong, Xingyi Zhang, Sibo Wang

Graph-level anomaly detection (GAD) is critical in diverse domains such as drug discovery, yet high labeling costs and dataset imbalance hamper the performance of Graph Neural Netw…

cs.SI2025

Rumor Detection on Social Media with Reinforcement Learning-based Key Propagation Graph Generator

Yusong Zhang, Kun Xie, Xingyi Zhang +2

The spread of rumors on social media, particularly during significant events like the US elections and the COVID-19 pandemic, poses a serious threat to social stability and public…

cs.LG2025

Chi-Square Wavelet Graph Neural Networks for Heterogeneous Graph Anomaly Detection

Xiping Li, Xiangyu Dong, Xingyi Zhang +7

Graph Anomaly Detection (GAD) in heterogeneous networks presents unique challenges due to node and edge heterogeneity. Existing Graph Neural Network (GNN) methods primarily focus o…

q-bio.BM2025

Fast and Accurate Antibody Sequence Design via Structure Retrieval

Xingyi Zhang, Kun Xie, Ningqiao Huang +5

Recent advancements in protein design have leveraged diffusion models to generate structural scaffolds, followed by a process known as protein inverse folding, which involves seque…

q-bio.BM2025

Towards More Accurate Full-Atom Antibody Co-Design

Jiayang Wu, Xingyi Zhang, Xiangyu Dong +5

Antibody co-design represents a critical frontier in drug development, where accurate prediction of both 1D sequence and 3D structure of complementarity-determining regions (CDRs)…