3466651 SOAM sum of angle metrics 15 3466652 SOAM spectral overlap assessment metric 4 3466648 SOAM Self-Organizing Adaptive Map 2 3466647 SOAM Social Opinion Amplification Model 1 3466646 SOAM Space Optimal Aggregation Model 1 3466653 SOAM spatial orthogonal attention module 1 3466645 SOAM Spectral Overlap Assessment Measure 1 3466649 SOAM Spin-orbital-angular-momentum 1 3466650 SOAM super-OAM 1