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Improving Subgraph-GNNs via Edge-Level Ego-Network Encodings
May 3, 2024, 4:54 a.m. | Nurudin Alvarez-Gonzalez, Andreas Kaltenbrunner, Vicen\c{c} G\'omez
cs.LG updates on arXiv.org arxiv.org
Abstract: We present a novel edge-level ego-network encoding for learning on graphs that can boost Message Passing Graph Neural Networks (MP-GNNs) by providing additional node and edge features or extending message-passing formats. The proposed encoding is sufficient to distinguish Strongly Regular Graphs, a family of challenging 3-WL equivalent graphs. We show theoretically that such encoding is more expressive than node-based sub-graph MP-GNNs. In an empirical evaluation on four benchmarks with 10 graph datasets, our results match …
abstract arxiv boost cs.ai cs.lg edge encoding family features gnns graph graph neural networks graphs improving network networks neural networks node novel type via
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