Provably Powerful Graph Networks
Haggai Maron Heli Ben-Hamu Hadar Serviansky Yaron Lipman
Weizmann Institute of Science
Rehovot, Israel
Abstract
Recently, the Weisfeiler-Lehman (WL) graph isomorphism test was used to mea-
sure the expressive power of graph neural networks (GNN). It was shown that the
popular message passing GNN cannot distinguish between graphs that are indistin-
guishable by t ...


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