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Efficient Subgraph GNNs by Learning Effective Selection Policies
March 22, 2024, 4:43 a.m. | Beatrice Bevilacqua, Moshe Eliasof, Eli Meirom, Bruno Ribeiro, Haggai Maron
cs.LG updates on arXiv.org arxiv.org
Abstract: Subgraph GNNs are provably expressive neural architectures that learn graph representations from sets of subgraphs. Unfortunately, their applicability is hampered by the computational complexity associated with performing message passing on many subgraphs. In this paper, we consider the problem of learning to select a small subset of the large set of possible subgraphs in a data-driven fashion. We first motivate the problem by proving that there are families of WL-indistinguishable graphs for which there exist …
abstract architectures arxiv complexity computational cs.lg gnns graph learn neural architectures paper small type
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