Search Results for author: See Hian Lee

Found 7 papers, 2 papers with code

Leveraging Label Non-Uniformity for Node Classification in Graph Neural Networks

1 code implementation29 Apr 2023 Feng Ji, See Hian Lee, Hanyang Meng, Kai Zhao, Jielong Yang, Wee Peng Tay

We introduce the key notion of label non-uniformity, which is derived from the Wasserstein distance between the softmax distribution of the logits and the uniform distribution.

Node Classification

Distributional Signals for Node Classification in Graph Neural Networks

no code implementations7 Apr 2023 Feng Ji, See Hian Lee, Kai Zhao, Wee Peng Tay, Jielong Yang

In graph neural networks (GNNs), both node features and labels are examples of graph signals, a key notion in graph signal processing (GSP).

Classification Node Classification

On semi shift invariant graph filters

no code implementations28 Sep 2022 Feng Ji, See Hian Lee, Wee Peng Tay

In graph signal processing, one of the most important subjects is the study of filters, i. e., linear transformations that capture relations between graph signals.

SGAT: Simplicial Graph Attention Network

1 code implementation24 Jul 2022 See Hian Lee, Feng Ji, Wee Peng Tay

In this paper, we present Simplicial Graph Attention Network (SGAT), a simplicial complex approach to represent such high-order interactions by placing features from non-target nodes on the simplices.

Graph Attention Graph Learning +1

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