在现有关于融通仓相关问题的研究中,物流企业皆被界定为第三方物流(Third Party Logitics,3PL),而研究第四方物流(Fourth Party Logistics,4PL)参与融通仓业务的文献还没有,本文把第四方物流引入融通仓业务中,运用委托代理理论,考虑了...在现有关于融通仓相关问题的研究中,物流企业皆被界定为第三方物流(Third Party Logitics,3PL),而研究第四方物流(Fourth Party Logistics,4PL)参与融通仓业务的文献还没有,本文把第四方物流引入融通仓业务中,运用委托代理理论,考虑了第三方物流完成的质押物价值评估、质押物运输、质押物监管、质押物处置及信息共享五个指标,建立第四方物流和多个第三方物流一对多的多任务委托代理模型,并从第四方物流在业务过程中对第三方物流完成任务有无付出努力两个方面展开。结果显示,第四方物流付出努力时,第三方物流努力增加,且第四方物流付出的努力越多,第三方物流越努力工作;第四方物流会给予能力强,从事对收益贡献较大业务的第三方物流更多的激励。展开更多
Internet service providers(ISPs)are paying more attention to the Quality of Experience(QoE)of the web service that is one of the most widely used Internet services.Measuring it with existing systems deployed in the ne...Internet service providers(ISPs)are paying more attention to the Quality of Experience(QoE)of the web service that is one of the most widely used Internet services.Measuring it with existing systems deployed in the network so far may save investment for ISPs since no additional QoE system is required.In this paper,with Domain Name System(DNS)resolution data that are available in the ISP’network,we propose the First Webpage Time(FWT)algorithm in order to measure the QoE of the web service.The proposed FWT algorithm is analyzed in theory,which shows that its precision is guaranteed.Experiments based on the ISP’s DNS resolution data are carried out to evaluate the proposed FWT algorithm.展开更多
文摘在现有关于融通仓相关问题的研究中,物流企业皆被界定为第三方物流(Third Party Logitics,3PL),而研究第四方物流(Fourth Party Logistics,4PL)参与融通仓业务的文献还没有,本文把第四方物流引入融通仓业务中,运用委托代理理论,考虑了第三方物流完成的质押物价值评估、质押物运输、质押物监管、质押物处置及信息共享五个指标,建立第四方物流和多个第三方物流一对多的多任务委托代理模型,并从第四方物流在业务过程中对第三方物流完成任务有无付出努力两个方面展开。结果显示,第四方物流付出努力时,第三方物流努力增加,且第四方物流付出的努力越多,第三方物流越努力工作;第四方物流会给予能力强,从事对收益贡献较大业务的第三方物流更多的激励。
文摘Internet service providers(ISPs)are paying more attention to the Quality of Experience(QoE)of the web service that is one of the most widely used Internet services.Measuring it with existing systems deployed in the network so far may save investment for ISPs since no additional QoE system is required.In this paper,with Domain Name System(DNS)resolution data that are available in the ISP’network,we propose the First Webpage Time(FWT)algorithm in order to measure the QoE of the web service.The proposed FWT algorithm is analyzed in theory,which shows that its precision is guaranteed.Experiments based on the ISP’s DNS resolution data are carried out to evaluate the proposed FWT algorithm.