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

Table 1

The meanings of different methods’ names.

Name	Baseline predictor	Similarity
NoBP-Cos/PC	No	Cosine/Pearson’s Correlation
USBP-Cos/PC	Unscaled BP	Cosine/Pearson’s Correlation
RDA-Cos/PC	RDA	Cosine/Pearson’s Correlation
CDA-Cos/PC	CDA	Cosine/Pearson’s Correlation
TDA-Cos/PC	TDA	Cosine/Pearson’s Correlation
LDAU-Cos/PC	LDAU	Cosine/Pearson’s Correlation
LDAI-Cos/PC	LDAI	Cosine/Pearson’s Correlation