基于信任度规避风险的撮合交易模型  

Trustworthiness-Based Matchmaking Tradeoff Model Minimizing Risk

作　　者：张少敏[1,2] 李沛盈[2] 王保义[2] 

机构地区：[1]西安电子科技大学计算机学院,西安710071 [2]华北电力大学计算机系,河北保定071003

出　　处：《北京交通大学学报》2008年第6期78-82,共5页JOURNAL OF BEIJING JIAOTONG UNIVERSITY

基　　金：国家自然科学基金资助项目(50477038)

摘　　要：针对电子商务交易自动撮合的需要,提出了基于信任度的多主体撮合交易模型(TMMTM),并给出了该模型的具体算法.在TMMTM中,定量计算交易主体的信任度时,根据交易的特点将信任指标按照对交易的不同影响,分成动态和静态信任两类指标;区别于现常用的信任管理方法对总体评估结果衰减,TMMTM通过构造信任指标分值的隶属函数更细致地处理衰减问题.最后通过某区域月度撮合交易的算例说明并分析了TMMTM的使用方法及在规避交易风险、实现优质优价方面的积极作用和意义.For the purpose of improving the content of electronic commerce and minimizing the transac- tion risk of internal attacks, a new model called TMMTM （Trustworthiness-based Multi-Agent Matchmaking Tradeoff Model） which is simple, feasible and accessible is proposed. This paper classifies the trust indices into dynamic trust and static trust indices according to their different influences on the present transaction, and then constructs trust time correct function of trust indices＇ points to solve the problem of time decay which is more accurate than the common trust evaluation method. At last, a simulation example for monthly bidding transaction in a regional market is given to show how the new model works according to summarizing the risk evaluation indices of thermal electric power plants and how to reduce the transaction risk.

关 键 词：电子商务 撮合交易模型 动态信任计算 风险规避 信任度 

分 类 号：TP309.2[自动化与计算机技术—计算机系统结构]