activity
20242026
collaborators

7 papers

cs.LG2026

A Robust Watermark-based Fingerprint Framework for GNNs Ownership Verification

Han Zhang, Yan Wang, Guanfeng Liu +3

The high training cost of Graph Neural Networks (GNNs) has raised growing concerns regarding model ownership infringement, such as model stealing and unauthorized misuse. To verify…

cs.LG2026

Frequency-Corrupt Based Graph Self-Supervised Learning

Haojie Li, Mengjiao Zhang, Guanfeng Liu +3

Graph self-supervised learning can reduce the need for labeled graph data and has been widely used in recommendation, social networks, and other web applications. However, existing…

cs.LG2026

Re-understanding Graph Unlearning through Memorization

Pengfei Ding, Yan Wang, Guanfeng Liu

Graph unlearning (GU), which removes nodes, edges, or features from trained graph neural networks (GNNs), is crucial in Web applications where graph data may contain sensitive, mis…

cs.LG2025

Towards Comprehensive and Prerequisite-Free Explainer for Graph Neural Networks

Han Zhang, Yan Wang, Guanfeng Liu +3

To enhance the reliability and credibility of graph neural networks (GNNs) and improve the transparency of their decision logic, a new field of explainability of GNNs (XGNN) has em…

cs.LG2025

Adaptive Graph Unlearning

Pengfei Ding, Yan Wang, Guanfeng Liu +1

Graph unlearning, which deletes graph elements such as nodes and edges from trained graph neural networks (GNNs), is crucial for real-world applications where graph data may contai…

cs.LG2024

Few-shot Learning on Heterogeneous Graphs: Challenges, Progress, and Prospects

Pengfei Ding, Yan Wang, Guanfeng Liu

Few-shot learning on heterogeneous graphs (FLHG) is attracting more attention from both academia and industry because prevailing studies on heterogeneous graphs often suffer from l…

cs.SI2024

Adaptive Hypergraph Network for Trust Prediction

Rongwei Xu, Guanfeng Liu, Yan Wang +3

Trust plays an essential role in an individual's decision-making. Traditional trust prediction models rely on pairwise correlations to infer potential relationships between users.…