Hierarchical Social Recommendation Model Based on a Graph Neural Network

Table 2

RMSE and MAE experimental results of the models.

Models	Ciao		Epinions
	MAE	RMSE	MAE	RMSE
PMF	0.9021	1.1238	0.9952	1.2128
SoRec	0.8611	1.0848	0.9119	1.1703
SocialMF	0.8270	1.0501	0.8837	1.1328
NeuMF	0.8062	1.0617	0.9072	1.1476
DeepSoR	0.7739	1.0316	0.8383	1.0972
DSCF	0.7270	0.9867	0.8275	1.0667
DiffNet	0.7194	0.9782	0.8158	1.0741
GHSCF	0.7206	0.9194	0.7968	0.9731