Eliminating the Effect of Rating Bias on Reputation Systems

Figure 2

Distribution of the users’ rating magnitude in the M1, M2, M3, and NF datasets. (a) the distribution of users’ standard deviation (SD) and (b) the distribution of users’ skewness (SK) in the four datasets. The statistical features of the four datasets are shown in Table 1. Detailed introduction of the datasets can be found in section Materials and Methods.

(a)

(b)