SIGMA integrates SimRank for one-time global similarity aggregation in heterophilous GNNs, achieving O(n) complexity and reported 5x speedup on large graphs with SOTA accuracy.
Semi-supervised classifica- tion with graph convolutional networks,
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SIGMA: An Efficient Heterophilous Graph Neural Network with Fast Global Aggregation
SIGMA integrates SimRank for one-time global similarity aggregation in heterophilous GNNs, achieving O(n) complexity and reported 5x speedup on large graphs with SOTA accuracy.