arXiv Machine Learning By Zhongtian Ma, Hao Wu, Yexin Zhang, Qiaosheng Zhang, Zhen Wang

Gated Graph Attention Networks with Learnable Temperature

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The paper introduces gated graph attention and a learnable temperature to enhance standard graph attention networks. Gated attention filters out unreliable feature dimensions, while the temperature parameter dynamically adjusts the sharpness of attention coefficient distributions. Experiments on both homogeneous and heterophilic heterogeneous benchmarks demonstrate consistent improvements over existing backbones, and controlled noise studies confirm the robustness of these mechanisms.

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