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Binchi Zhang

7 accepted papers

2025

Beyond the Permutation Symmetry of Transformers: The Role of Rotation for Model Fusion

ICML 2025spotlight

Symmetry in the parameter space of deep neural networks (DNNs) has proven beneficial for various deep learning applications. A well-known example is the permutation symmetry in Multi-Layer Perceptrons (MLPs), where permuting the rows of weight matrices in one layer and applying the inverse permutati…

2025

GraphTOP: Graph Topology-Oriented Prompting for Graph Neural Networks

NeurIPS 2025poster

Graph Neural Networks (GNNs) have revolutionized the field of graph learning by learning expressive graph representations from massive graph data. As a common pattern to train powerful GNNs, the "pre-training, adaptation" scheme first pre-trains GNNs over unlabeled graph data and subsequently adapts…

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2025

Virtual Nodes Can Help: Tackling Distribution Shifts in Federated Graph Learning

AAAI 2025technical

Federated Graph Learning (FGL) enables multiple clients to jointly train powerful graph learning models, e.g., Graph Neural Networks (GNNs), without sharing their local graph data for graph-related downstream tasks, such as graph property prediction. In the real world, however, the graph data can su…

2024

Adversarial Attacks on Fairness of Graph Neural Networks

ICLR 2024poster

Fairness-aware graph neural networks (GNNs) have gained a surge of attention as they can reduce the bias of predictions on any demographic group (e.g., female) in graph-based applications. Although these methods greatly improve the algorithmic fairness of GNNs, the fairness can be easily corrupted b…

2024

Towards Certified Unlearning for Deep Neural Networks

ICML 2024poster

In the field of machine unlearning, certified unlearning has been extensively studied in convex machine learning models due to its high efficiency and strong theoretical guarantees. However, its application to deep neural networks (DNNs), known for their highly nonconvex nature, still poses challeng…

2022

TwiBot-22: Towards Graph-Based Twitter Bot Detection

NeurIPS 2022accept

Twitter bot detection has become an increasingly important task to combat misinformation, facilitate social media moderation, and preserve the integrity of the online discourse. State-of-the-art bot detection methods generally leverage the graph structure of the Twitter network, and they exhibit pro…