Effect of Collaborative Recommender System Parameters: Common Set Cardinality and the Similarity Measure

Table 7

Improvement percentages of the examined RSs for PCP, coverage, and MAE.

	PCP				Coverage				MAE
	CBRS	CVRS	DWRS	MDRS	CBRS	CVRS	DWRS	MDRS	CBRS	CVRS	DWRS	MDRS
10	216.23	374.31	83.07	42.63	174.49	280.31	72.01	39.47	91.21	92.98	83.34	75.06
30	14.93	38.54	6.83	5.27	8.53	27.3	5.05	3.47	60.35	71.91	55.63	54.34
50	3.4	6.79	1.83	2.67	0.66	3.16	1.27	1.07	51.97	53.32	51.95	51.66