Probabilistic routing using multimodal data

Probabilistic routing using multimodal data
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使用多模态数据的概率路由

DOI:
10.1016/j.neucom.2016.08.138
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发表时间:
2017-08
期刊:
影响因子:
6
通讯作者:
Wang Jiye
Wang Jiye
中科院分区:
计算机科学2区
文献类型:
--
作者:
Zhu Shunzhi;Wang Yan;Shang Shuo;Zhao Guang;Wang Jiye

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如今,人类的跟踪和预测非常普遍。可以将多源的人体跟踪数据和基于位置的社交媒体数据(包括空间数据、时间数据和文本数据)集成在一起,进行人员流动预测和过度拥挤的车站检测,然后为乘客规划方便的公交/地铁路线。这项研究在许多实际应用中都是有用的,包括便捷的出行路线推荐和基于位置的服务。在这项研究中,我们面临着两个挑战:(1)如何利用多源人体跟踪数据对不同公交/地铁线路之间的概率换乘成本进行建模;(2)如何有效地计算公交/地铁的便捷路线。为了克服这些挑战,我们定义了一组概率空间度量,并提出了旅行时间阈值和换乘代价阈值,以方便路径规划查询。为了提高查询效率,开发了一系列优化技术。我们还进行了大量的实验来验证所提出的算法的性能。
Human tracking and prediction are pervasive nowadays. It is possible to integrate multi-source human tracking data and location based social media data, which includes spatial data, temporal data, and textual data, to make human-mobility prediction and over-crowded station detection, and then to plan convenient bus/subway routes for passengers. This study is useful in many real applications, including convenient travel route recommendation and location based services in general. We face two challenges in this study: (1) how to use multi-source human tracking data to model probabilistic transfer cost between different bus/subway lines practically, and (2) how to compute convenient bus/subway routes efficiently. To overcome these challenges, we define a set of probabilistic spatial metrics and propose a travel-time threshold and a transfer-cost threshold convenient route planning queries. A series of optimization techniques are developed to enhance the query efficiency. We also conduct extensive experiments to verify the performance of the proposed algorithms.
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