105 / 2016-09-21 16:39:19

The fuzzy comprehensive evaluation research of electric group purchase and operating efficiency based on improve rough set

The popularity of intelligent big data era in the community, making online shopping behavior play a more and more important role in the e-commerce model. This paper evaluated the operation efficiency of the electric business group buy site scientifically by puts forward the improved rough set method and fuzzy comprehensive evaluation method. First, on the basis of the analysis of the influence factors of the operation efficiency of the electric business group buying website, and build the evaluation index system; secondly,put forward a concept of information quantity by analyzing the deficiency of the original theory in the method of determining the attribute weight and combine the radix ratio in the domain of attribute set and the probability of the equivalence class in the domain ,and then puts forward the improved rough set weight determination method, fuzzy comprehensive evaluation model for electricity suppliers to buy operational efficiency is constructed. Finally, combined with the practical data verify improved rough set method is reasonable.