信任对服务网络性能的影响

Examining the Effects of Trust on a Service Network

为了利用信任增强服务网络中的个体合作,量化分析信任对网络性能和网络结构演化的影响,在现有服务网络模型基础上,为网络agent设计了2种伙伴选择策略——基于信任的策略和随机策略,进而比较不同策略引起的不同网络性能和网络结构.仿真实验结果表明,信任能有效地提高交互成功概率,从而提高网络服务完成概率.同时,信任关系能加速网络结构的演化,使其达到稳定.

This paper attempts to quantify the effects of trust on the network performance and structural evolution of a service network to further apply trust to cooperation among individuals.Based on an existing service network model,two different strategies for partner selection,i.e.,trust-based and random are devised,and their effects are observed.Experimental results show that the network with the trust-based strategy can accomplish various services with a higher probability,compared with the network with random strategy.Moreover,the trust-based partner selection can make the network quickly converge to an equilibrium state,i.e.,the values of its structural characteristics remain stable.