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

Table 4

Common sets and their cardinalities.

Common set	Code	Size
1	CS1	C ≥ 1
2	CS2	C ≥ 5
3	CS3	C ≥ 10
4	CS4	C ≥ 15
5	CS5	C ≥ 20