Search Results for author: Chenhui Deng

Found 7 papers, 5 papers with code

Less is More: Hop-Wise Graph Attention for Scalable and Generalizable Learning on Circuits

1 code implementation2 Mar 2024 Chenhui Deng, Zichao Yue, Cunxi Yu, Gokce Sarar, Ryan Carey, Rajeev Jain, Zhiru Zhang

In this work we propose HOGA, a novel attention-based model for learning circuit representations in a scalable and generalizable manner.

Graph Attention

Polynormer: Polynomial-Expressive Graph Transformer in Linear Time

2 code implementations2 Mar 2024 Chenhui Deng, Zichao Yue, Zhiru Zhang

To enable the base model permutation equivariant, we integrate it with graph topology and node features separately, resulting in local and global equivariant attention models.

Node Classification

SAGMAN: Stability Analysis of Graph Neural Networks on the Manifolds

no code implementations13 Feb 2024 Wuxinlin Cheng, Chenhui Deng, Ali Aghdaei, Zhiru Zhang, Zhuo Feng

Modern graph neural networks (GNNs) can be sensitive to changes in the input graph structure and node features, potentially resulting in unpredictable behavior and degraded performance.

Dimensionality Reduction Graph Embedding +1

GARNET: Reduced-Rank Topology Learning for Robust and Scalable Graph Neural Networks

1 code implementation30 Jan 2022 Chenhui Deng, Xiuyu Li, Zhuo Feng, Zhiru Zhang

Graph neural networks (GNNs) have been increasingly deployed in various applications that involve learning on non-Euclidean data.

Adversarial Robustness

GARNET: A Spectral Approach to Robust and Scalable Graph Neural Networks

no code implementations29 Sep 2021 Chenhui Deng, Xiuyu Li, Zhuo Feng, Zhiru Zhang

In this paper, we propose GARNET, a scalable spectral method to boost the adversarial robustness of GNN models for both homophilic and heterophilic graphs.

Adversarial Robustness Graph Embedding

SPADE: A Spectral Method for Black-Box Adversarial Robustness Evaluation

2 code implementations7 Feb 2021 Wuxinlin Cheng, Chenhui Deng, Zhiqiang Zhao, Yaohui Cai, Zhiru Zhang, Zhuo Feng

A black-box spectral method is introduced for evaluating the adversarial robustness of a given machine learning (ML) model.

Adversarial Robustness Graph Embedding

GraphZoom: A multi-level spectral approach for accurate and scalable graph embedding

1 code implementation ICLR 2020 Chenhui Deng, Zhiqiang Zhao, Yongyu Wang, Zhiru Zhang, Zhuo Feng

GraphZoom first performs graph fusion to generate a new graph that effectively encodes the topology of the original graph and the node attribute information.

Attribute Graph Embedding

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