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ABSTRACTThe aim of traffic management is to ensure a high quality of service for a maximum number of users by decreasing congestion and increasing safety. Uncertainty of travel times decreases the quality of service and leads end users to modify their plans regardless of the average travel time. Indicators describing travel time reliability are being developed and should be used in the future both for the optimization and for the assessment of active traffic management operations. This article discusses the efficiency of certain reliability indicators in an ex-post assessment of a traffic management strategy. Ex-post assessment is based on an observational before–after study. As some factors other than the studied management strategy may intervene between the two periods, and as most reliability indicators require knowledge of the full travel time distribution and not only its average, a methodology is developed for the identification of the impact of these exogenous factors on the whole distribution. Many reliability indicators are split into different parts allowing the identification of the part due to the management strategy impact. The methodology is tested numerically on a managed lane operation consisting of Hard Shoulder Running (HSR) at rush hour on a section of a French motorway. The variation of some reliability indicators appears misleading, whereas the splitting of the indicators increases our understanding of the strategy and highlights its impact. The paper gives the reliability assessment of the HSR field test and discusses different reliability indicators to identify their potential performances and shortcomings. 相似文献
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船载集装箱危险货物瞒报谎报行为的证据收集与分析 总被引:1,自引:0,他引:1
通过对危险货物瞒报谎报行为的证据收集与分析,提出对该行为调查的方向和基本方法,以供海事执法人员参考。 相似文献
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D-S证据理论在多传感器融合中的应用 总被引:1,自引:0,他引:1
详细介绍了Dempster-Shafer证据理论,介绍了它在多传感器融合(MSF)中的应用,并举了一个具体的例子,实验结果验证了其有效性。 相似文献
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通过对某高校房地产权属纠纷案例的剖析,阐述了如何正确运用法律,保护所有权的合法权益的重要性与必要性。该案件错综复杂,涉及行政复议、行政诉讼和民事诉讼等多种法律形式,着重强调了诉讼证据和诉讼时效在案件审理中所起的决定性作用,两既相互独立,又互为作用。 相似文献
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在分析讨论移动与固定设备之间的差异性、移动式设备种类等问题的基础上,初步提出以图片为证据存储模式的移动式非现场执法的处理流程及方法,为相关工作提供参考。 相似文献
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《关于民事诉讼证据的若干规定》第四条第一款第八项规定:因医疗行为引起的侵权诉讼,由医疗机构就医疗行为与损害结果之间不存在因果关系及不存在医疗过错承担举证责任,即把医疗侵权诉讼的举证责任分配给了医疗机构。文章分析了医疗侵权诉讼实行举证责任倒置自身存在一些不足以及实施后给各方面带来了不利影响,提出了问题解决的建议和设想。 相似文献