Research Article

Node Importance Estimation with Multiview Contrastive Representation Learning

Table 4

The results of MCRL and its variants.

DataMetricMCRL-noneMCRL-scoreMCRL

FB15KNDCG@1000.9485 ± 0.0340.9502 ± 0.0150.9626 ± 0.013
SPEARMAN0.7901 ± 0.0260.8173 ± 0.0120.8229 ± 0.014
HR@1000.4829 ± 0.0940.4902 ± 0.0750.5100 ± 0.069

TMDB5KNDCG@1000.9054 ± 0.0480.9107 ± 0.0210.9195 ± 0.020
SPEARMAN0.7768 ± 0.0220.7826 ± 0.0160.7961 ± 0.013
HR@1000.5427 ± 0.0690.5579 ± 0.0380.5680 ± 0.041

IMDBNDCG@1000.9422 ± 0.0160.9535 ± 0.0070.9624 ± 0.008
SPEARMAN0.7593 ± 0.0140.7664 ± 0.0090.7713 ± 0.007
HR@1000.5545 ± 0.0670.5636 ± 0.0380.5720 ± 0.044

MCRL-none: the model without score aggregation module. MCRL-score: the model that simply splices the scores of nodes with the features of edges to calculate attention weights. MCRL: our proposed model, which splices the features of nodes with those of edges to calculate attention weights.