A Novel Contextual Information Recommendation Model and Its Application in e-Commerce Customer Satisfaction Management

Table 3

Comparison results of different methods (DOA %).

Alg.split	80%–20%	90%–10%	70%–30%	50%-50%
KNN	72.4	70.5	68.9	65.9
W-SlopeOne	75.1	73.3	71.5	68.1
CCF	80.5	79.3	75.3	70.9
CFRCS	88.2	86.4	83.3	81.2