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Fast Computation of Point-to-Point Paths on Time-Dependent Road Networks

机译:时变道路网络上点对点路径的快速计算

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We propose an algorithm for the point-to-point time-dependent shortest path problem, using which good solutions may be found in a short time; our method provides an upper bound to the number of settled nodes for each shortest path computation, which is highly desirable in some industrial applications. In particular, we address a typical server scenario, where we have to compute point-to-point shortest paths in road networks where arc costs (travelling times) are time-dependent, and where each request has to be provided within an allotted time frame.
机译:针对点到点时间相关的最短路径问题,我们提出了一种算法,利用该算法可以在短时间内找到良好的解决方案。我们的方法为每个最短路径计算提供了已确定节点数的上限,这在某些工业应用中非常需要。特别是,我们解决了一个典型的服务器场景,其中我们必须计算弧线成本(行进时间)与时间相关并且必须在分配的时间范围内提供每个请求的道路网络中的点对点最短路径。

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