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In reality, there often exist some situations with high degree of uncertainty where a decision organization consisting of several experts is not very sure about a value, but hesitant among several possible values when providing the membership degree or non-membership degree of an element to a set. In such cases, dual hesitant fuzzy sets are usually utilized to represent the assessments of the decision...
The article is based on a certain practical production problem of Transmission Co., Ltd.It provides the mathematical description of reconfigurable manufacturing unit formation technology and use IDEF0 for functional analysis. This paper puts forward three-stage method for building units: The first stage is building process route by improving the model of gray- equipment selection model. The second...
The component plays an essential role in the component-based software engineering. The component cohesion is an important attribute in software system, which represents the tight degree of a component. Obviously, the high cohesion of a component can effectively improve software quality. However, it is difficult to measure the component cohesion. In this paper the concept of structure entropy and the...
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