Due to people’s increasing dependence on social networks,it is essential to develop a consensus model considering not only their own factors but also the interaction between people.Both external trust relationship am...Due to people’s increasing dependence on social networks,it is essential to develop a consensus model considering not only their own factors but also the interaction between people.Both external trust relationship among experts and the internal reliability of experts are important factors in decision-making.This paper focuses on improving the scientificity and effectiveness of decision-making and presents a consensus model combining trust relationship among experts and expert reliability in social network group decision-making(SN-GDM).A concept named matching degree is proposed to measure expert reliability.Meanwhile,linguistic information is applied to manage the imprecise and vague information.Matching degree is expressed by a 2-tuple linguistic model,and experts’preferences are measured by a probabilistic linguistic term set(PLTS).Subsequently,a hybrid weight is explored to weigh experts’importance in a group.Then a consensus measure is introduced and a feedback mechanism is developed to produce some personalized recommendations with higher group consensus.Finally,a comparative example is provided to prove the scientificity and effectiveness of the proposed consensus model.展开更多
多个码头间的协同应急风险一直是阻碍码头群发展的卡脖子问题之一。为此,将决策试验和评价实验室(Decision-making Trial and Evaluation Laboratory,DEMATEL)方法引入风险领域,并提出用于分析多属性码头群协同应急风险因素的模糊DEMATE...多个码头间的协同应急风险一直是阻碍码头群发展的卡脖子问题之一。为此,将决策试验和评价实验室(Decision-making Trial and Evaluation Laboratory,DEMATEL)方法引入风险领域,并提出用于分析多属性码头群协同应急风险因素的模糊DEMATEL模型。通过计算因素间的相互影响关系,成功地识别出了“协同应急人员培训和知识更新”“应急人员协同能力”“码头群应急预案的完备性”以及“码头群协同应急演习”4个关键因素,进而便于码头群管理者精准和高效的管理。DEMATEL模型的识别方法和计算结果对港口群协同应急风险因素辨识同样具有重要参考价值。展开更多
基金the National Natural Science Foundation of China(71871121).
文摘Due to people’s increasing dependence on social networks,it is essential to develop a consensus model considering not only their own factors but also the interaction between people.Both external trust relationship among experts and the internal reliability of experts are important factors in decision-making.This paper focuses on improving the scientificity and effectiveness of decision-making and presents a consensus model combining trust relationship among experts and expert reliability in social network group decision-making(SN-GDM).A concept named matching degree is proposed to measure expert reliability.Meanwhile,linguistic information is applied to manage the imprecise and vague information.Matching degree is expressed by a 2-tuple linguistic model,and experts’preferences are measured by a probabilistic linguistic term set(PLTS).Subsequently,a hybrid weight is explored to weigh experts’importance in a group.Then a consensus measure is introduced and a feedback mechanism is developed to produce some personalized recommendations with higher group consensus.Finally,a comparative example is provided to prove the scientificity and effectiveness of the proposed consensus model.
文摘多个码头间的协同应急风险一直是阻碍码头群发展的卡脖子问题之一。为此,将决策试验和评价实验室(Decision-making Trial and Evaluation Laboratory,DEMATEL)方法引入风险领域,并提出用于分析多属性码头群协同应急风险因素的模糊DEMATEL模型。通过计算因素间的相互影响关系,成功地识别出了“协同应急人员培训和知识更新”“应急人员协同能力”“码头群应急预案的完备性”以及“码头群协同应急演习”4个关键因素,进而便于码头群管理者精准和高效的管理。DEMATEL模型的识别方法和计算结果对港口群协同应急风险因素辨识同样具有重要参考价值。
