Bayesian Network Approach to Customer Requirements to Customized Product Model

Table 3

The effect of evidence on inference conclusion.

		L plays an important role in the conclusion and can't be replaced by other evidence in E	critical evidence	Customers don't have a greater choice of results. The company should keep the node and choose the other node to optimize the model
		L contributes little to the conclusion, but is indispensable in E.	necessary evidence	Customers don't have a greater choice of results. The company should keep the node and choose the other node to optimize the model
		L plays an important role in the conclusion, but it can be replaced by others because of overlapping.	sufficient evidence	Customers don't have a greater choice of results. The company can remove it for optimization.
		L contributes little to the conclusion, and it can be replaced by others because of overlapping.	general evidence	Customers don't have a greater choice of results. The company can remove it for optimization.