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06/22/2022
Ordered Subgraph Aggregation Networks
Numerous subgraph-enhanced graph neural networks (GNNs) have emerged rec...
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03/25/2022
SpeqNets: Sparsity-aware Permutation-equivariant Graph Networks
While (message-passing) graph neural networks have clear limitations in ...
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11/22/2021
Homomorphism Tensors and Linear Equations
Lovász (1967) showed that two graphs G and H are isomorphic if and only ...
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03/04/2021
Weisfeiler–Leman, Graph Spectra, and Random Walks
The Weisfeiler–Leman algorithm is a ubiquitous tool for the Graph Isomor...
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10/04/2018
Weisfeiler and Leman Go Neural: Higher-order Graph Neural Networks
In recent years, graph neural networks (GNNs) have emerged as a powerful...
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02/24/2018
Weisfeiler-Leman meets Homomorphisms
In this paper, we relate a beautiful theory by Lovász with a popular heu...
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02/23/2018
