Approach for analyzing consensus based on cloud model and evidence theory

An approach for analyzing consensus based on cloud model and evidence theory is proposed, with respect to the characteristics of divergent argument in HWME,such as continuity,fuzziness and complexity.Firstly,this method uses cloud model to find out the opinion implicated in every comment, according to the semantic relations between argument information;then synthesizes the implicated opinions expressed by an expert in all time into the expert opinion on the base of evidence theory;and at last, obtains qualitative distribution map of expert opinion and quantitative level of consensus and attention, in accordance with acquired opinions from different experts.A numerical example indicates that this approach is effective,enables the experts to understand current consensus state and improves efficiency of the group argument.