The Cross-Entropy Method for the Winner Determination Problem in Combinatorial Auctions

Table 3

Parameter setting of GA, PSO, and CE for solving the winner determination problem (WDP).

Algorithm	Parameter description	Symbol	Value
GA	Crossover percentage	pc	0.8
	Mutation percentage	pm	0.3
	Mutation rate	mu	0.02
PSO	Max inertia weight		0.9
	Min inertia weight		0.4
	Acceleration coefficient	c1, c2	2
CE	Rarity parameter		0.01
	Smoothing parameter		0.7
	Number of elites	Ne	20