Qualitative Evaluation Method Based on Backward Cloud and Concept Generalizing
Bing Li · Journal of Wuhan University · 2010
The qualitative evaluation using natural language has the widespread application in the human activities.Backward cloud can transform quantitative values into qualitative concept effectively and naturally,while because of the existing estimation error backward cloud generator may meet problem that the value of hyper-entropy is an imaginary number.A new backward cloud algorithm improves the method of estimating hyper-entropy reasonably to ensure the effectiveness of backward cloud generator.Concept generalizing operation may climb up from fundamental concepts expressed by digital characteristics into the desired conceptual granularity.A qualitative evaluation method based on new backward cloud generator and concept generalizing operation is used for vocabulary qualitative evaluation.Compared with the traditional qualitative evaluation method,it is verified that the cloud qualitative evaluation method is practical,comprehensive and effective.