Neural Bipartite Matching

ICML 2020

Details
Graph neural networks have found application for learning in the space of algorithms. However, the algorithms chosen by existing research (sorting, Breadth-First search, shortest path finding, etc.) are usually trivial, from the viewpoint of a theoretical computer scientist. This report describes how neural execution is applied to a complex algorithm, such as finding maximum bipartite matching by reducing it to a flow problem and using Ford-Fulkerson to find the maximum flow. This is achieved via neural execution based only on features generated from a single GNN. The evaluation shows strongly generalising results with the network achieving optimal matching almost 100% of the time. Speakers: Dobrik Georgiev, Pietro Lió

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