"The proposed method is very similar with the unsupervised GraphSAGE , which also optimizes Eq.(7)." "['con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'non', 'non', 'non', 'non', 'non', 'non', 'non']" "paper quality"