In recent years, neural network architectures designed to operate on graph-structured data have pushed the state-of-the-art in the field. A large set of these architectures utilize a form of classical random walks to diffuse information throughout the graph. We propose quantum walk neural networks (QWNN), a novel graph neural network architecture based on quantum random walks, the quantum parallel to classical random walks. A QWNN learns a quantum walk on a graph to construct a diffusion operator which can then be applied to graph-structured data. We demonstrate the use of this model on a variety of prediction tasks on graphs involving temperature, biological, and molecular datasets.
CITATION STYLE
Dernbach, S., Mohseni-Kabir, A., Pal, S., & Towsley, D. (2019). Quantum walk neural networks for graph-structured data. In Studies in Computational Intelligence (Vol. 813, pp. 182–193). Springer Verlag. https://doi.org/10.1007/978-3-030-05414-4_15
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