A Comprehensive Trust Model Based on Social Relationship and Transaction Attributes

Table 2

Major variables in the experiment.

Variable	Symbol	Value
Total number of users	N	500
Average product price		{10, 20, 30}
Number of simulation rounds		300
Maximum transaction amount		200
Number of followers of a user		[0, 20]
Number of raters of a user		[0, 20]
Ratio of fraudulent members		{0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9}
Rating value		{0,1,2,3,4,5}
Maximum of the trust value		10
Probability of fraud		[0, 1]