Enhanced Subgraph Learning in 2-FWL GNNs via Local Connectivity, Spectral, and Distance Encodings. - Rongqin Chen 001; Yan Li 122; Dan Wu 002; Fan Mo 002; Shenghui Zhang; Pak Lon Ip; Hoi Cheong Iam; Ye Li 002; Leong Hou U (KDD (2), 2025)