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cs.SI2026
Polarity-Asymmetric Structural Calibration for Link Sign Prediction
Qiqi Gao, Wenzhuo Song, Xueyan Liu
Link sign prediction (LSP) aims to infer the positive or negative polarity of unobserved links in signed networks. Signed Graph Neural Networks (SGNNs) usually rely on signed-graph…
cs.SI2026
Signed-Graph Recommendation as Structural Consistency Maximization
Zifan Wang, Siyu Chen, Wenzhuo Song
While signed social recommendation has shown great potential by modeling both trust and distrust relations, its effectiveness is often hindered by structural noise and data sparsit…