Advances in Artificial Intelligence / 2016 / Article / Tab 1

Research Article

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

Table 1

Sample dataset for 19 users with 12 items.

Rating meanSimilarity value
PCCCOSMWDMMD

3154045302213.0
10050400030004.001.001.001.000.75
10100100020001.331.001.001.000.444
10000300230002.670.001.000.500.444
10010400030002.67−1.001.00−1.00−0.89

22050400030003.500.7070.9870.750.640
20100100020021.500.0000.9490.750.375
20000300240202.750.7070.9810.750.688
23010400030002.75−0.990.7590.000.00

52050504250303.710.4510.9750.600.485
52100100321021.710.3110.9370.700.400
54003300240233.000.2360.9140.500.500
53010401430302.71−0.860.7270.000.00

82254534250303.500.6120.9730.6250.536
82100132321121.800.5120.9220.500.300
84003224232232.700.3690.9270.500.450
83512421430302.80−0.920.681−0.13−0.12

103512021304453.00−1.000.636−0.20−0.20

80512021004453.00−1.000.565−0.50−0.50

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