GWT substitutes learned graph-Laplacian spectral filters for self-attention and reports 28.1 BLEU on WMT14 En-De, but the wavelet construction is asserted, the directed-graph Laplacian is mishandled, and key implementation details are missing.
Graph convolutional encoders for syntax-aware neural machine translation
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Graph Laplacian Wavelet Transformer via Learnable Spectral Decomposition
GWT substitutes learned graph-Laplacian spectral filters for self-attention and reports 28.1 BLEU on WMT14 En-De, but the wavelet construction is asserted, the directed-graph Laplacian is mishandled, and key implementation details are missing.