Jitao Zhao

graph neural network (6) representation learning (4) self-supervised learning (4) graph contrastive learning (3) graph representation learning (3) contrastive learning (2) infonce loss (1) negative sampling (1) group discrimination (1) neighbor sampling (1) representative negative sample (1) universal encoder (1) graph pre-training (1) unsupervised learning (1) representation scattering (1) unsupervised pretraining (1) graph representation (1) mutual information (1) heterogeneous graph (1) discriminative representation (1)