A Nonlinear Multiobjective Bilevel Model for Minimum Cost Network Flow Problem in a Large-Scale Construction Project

Table 6

Comparisons of two types of model.

	The direct cost objective ()		The transportation time cost objective ()		The transportation cost objective ()
	Birandom type	Random type	Birandom type	Random type	Birandom type	Random type
Best result	33.662	33.832	12.8003	12.7997	18.036	18.067
Average result	34.546	35.022	12.8027	12.8045	18.239	18.285
Worst result	35.429	36.211	12.8051	12.8092	18.441	18.503