The structure of spatial networks and communities in bicycle sharing systems.

The structure of spatial networks and communities in bicycle sharing systems.
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DOI:
10.1371/journal.pone.0074685
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Viana M
Viana M
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zaltz Austwick M;O'Brien O;Strano E;Viana M

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世界各地数百个城市都存在自行车共享系统,其目的是提供一种公共交通形式,具有骑自行车的相关健康和环境效益,而无需私人拥有和维护的负担。五个城市提供了其自行车共享系统中的行程(起始和结束时间以及地点)的研究数据。在本文中,我们采用可视化、描述性统计以及空间和网络分析工具来探索这些城市的系统使用情况,使用技术来研究每个城市独特地理位置的特定特征,并揭示不同系统之间的相似性。旅程位移分析表明,采样城市之间的旅程距离相似,每个城市前 50 名看台的(外)强度排名曲线显示了每个城市相似的比例规律。派生网络中的社区检测可以识别本地使用区域,空间网络校正提供了超越简单空间交互模型预测的邻近度/受欢迎度相关性的洞察机会。
Bicycle sharing systems exist in hundreds of cities around the world, with the aim of providing a form of public transport with the associated health and environmental benefits of cycling without the burden of private ownership and maintenance. Five cities have provided research data on the journeys (start and end time and location) taking place in their bicycle sharing system. In this paper, we employ visualization, descriptive statistics and spatial and network analysis tools to explore system usage in these cities, using techniques to investigate features specific to the unique geographies of each, and uncovering similarities between different systems. Journey displacement analysis demonstrates similar journey distances across the cities sampled, and the (out)strength rank curve for the top 50 stands in each city displays a similar scaling law for each. Community detection in the derived network can identify local pockets of use, and spatial network corrections provide the opportunity for insight above and beyond proximity/popularity correlations predicted by simple spatial interaction models.
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