1. CuSparse. https://docs.nvidia.com/cuda/pdf/CUSPARSE_Library.pdf.
2. cuSPARSE Storage Formats. https://docs.nvidia.com/cuda/cusparse/storage-formats.html?highlight=coo#coordinate-coo.
3. dgSparse. https://dgsparse.github.io/.
4. X. Bresson and T. Laurent. Residual gated graph convnets. arXiv preprint arXiv:1711.07553, 2017.
5. Z. Chen, M. Yan, M. Zhu, L. Deng, G. Li, S. Li, and Y. Xie. fuseGNN: Accelerating Graph Convolutional Neural Network Training on GPGPU. In Proceedings of the 39th International Conference on Computer-Aided Design, pages 1--9, 2020.