Normalizing Item-Based Collaborative Filter Using Context-Aware Scaled Baseline Predictor

Table 3

Experimental results using Cosine.

Method	Precision	Recall	RMSE	MAE	nDCG
NoBP-Cos	12.99%	20.62%	0.9465	0.9410	0.7237
USBP-Cos	19.82%	30.78%	0.9085	0.6939	0.9389
RDA-Cos	25.34%	39.01%	0.8984	0.6889	0.9485
CDA-Cos	25.05%	39.57%	0.8973	0.6869	0.9490
TDA-Cos	25.60%	40.03%	0.8999	0.6901	0.9488
LDAU-Cos	26.15%	40.80%	0.9003	0.6904	0.9495
LDAI-Cos	25.30%	39.45%	0.8979	0.6886	0.9485