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Betweenness-accessibility: Estimating impacts of accessibility on networks
Journal of Transport Geography ( IF 5.899 ) Pub Date : 2020-04-01 , DOI: 10.1016/j.jtrangeo.2020.102680
Georgios Sarlas , Antonio Páez , Kay W. Axhausen

Abstract Accessibility is a central concept in transport geography research that has been described as a holistic measure of transportation and land use systems. This concept has numerous implementations, but virtually all share the way accessibility is measured as an attribute of pairs of origins and destinations. Borrowing from concepts in network science, in this paper we propose a new centrality measure called betweenness-accessibility. This measure couples the familiar betweenness indicator of social networks with the geographical concept of accessibility. Betweenness-accessibility is useful to estimate the impacts of accessibility on networks as potential for interaction is reflected on them. The new measure is illustrated using a reproducible example. In addition, an application to vulnerability analysis in the city of Zurich, Switzerland, provides an empirical case study to showcase the usefulness of betweenness-accessibility.

中文翻译:

介数-可访问性:估计可访问性对网络的影响

摘要 可达性是交通地理学研究的核心概念,被描述为交通和土地利用系统的整体衡量标准。这个概念有很多实现,但几乎所有实现都共享作为起点和目的地对的属性来衡量可访问性的方式。借鉴网络科学中的概念,在本文中,我们提出了一种新的中心性度量,称为介数-可访问性。该措施将熟悉的社交网络中介指标与可访问性的地理概念结合起来。介数可访问性有助于估计可访问性对网络的影响,因为交互的潜力反映在网络上。使用可重现的示例说明了新措施。此外,瑞士苏黎世市的漏洞分析应用程序,
更新日期:2020-04-01
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