Kai Guo 0003 Kaixiong Zhou Xia Hu 0001 Yu Li 0022 Yi Chang 0001 Xin Wang 0035 Orthogonal Graph Neural Networks. 2021 abs/2109.11338 CoRR https://arxiv.org/abs/2109.11338 db/journals/corr/corr2109.html#abs-2109-11338