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GaAN: Gated Attention Networks for Learning on Large and Spatiotemporal Graphs
Proceedings of the 34th Conference on Uncertainty in Artificial Intelligence, PMLR R16:338-348, 2018.
Abstract
We propose a new network architecture, Gated Attention Networks (GaAN), for learning on graphs. Unlike the traditional multi-head at- tention mechanism, which equally consumes all attention heads, GaAN uses a convolutional sub-network to control each attention head’s importance. We demonstrate the effective- ness of GaAN on the inductive node classi- fication problem on large graphs. Moreover, with GaAN as a building block, we construct the Graph Gated Recurrent Unit (GGRU) to address the traffic speed forecasting prob- lem. Extensive experiments on three real- world datasets show that our GaAN framework achieves state-of-the-art results on both tasks.