Eliminating the Effect of Rating Bias on Reputation Systems

Table 1

The statistical features of the four real datasets. , , and are the number of users, objects, and rating records (i.e., the number of edges of bipartite networks), respectively. and are the average degree of objects and users, respectively.

Datasets						Sparsity
	943	1,682	100,000	60	106	0.0630
	6,040	3,952	1,000,209	253	166	0.0419
	10,681	69,878	10,000,054	936	143	0.0134
	10,000	6,000	824,802	137	82	0.0137