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A Place-Focused Model for Social Networks in Cities

机译:城市社交网络的地方关注模型

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The focused organization theory of social ties proposes that the structure of human social networks can be arranged around extra-network foci, which can include shared physical spaces such as homes, workplaces, restaurants, and so on. Until now, this has been difficult to investigate on a large scale, but the huge volume of data available from online location-based social services now makes it possible to examine the friendships and mobility of many thousands of people, and to investigate the relationship between meetings at places and the structure of the social network. In this paper, we analyze a large dataset from Foursquare, the most popular online location-based social network. We examine the properties of city-based social networks, finding that they have common structural properties, and that the category of place where two people meet has very strong influence on the likelihood of their being friends. Inspired by these observations in combination with the focused organization theory, we then present a model to generate city-level social networks, and show that it produces networks with the structural properties seen in empirical data.
机译:集中的社会关系组织理论提出,人类社会网络的结构可以围绕网络外的焦点进行安排,网络外的焦点可以包括共享的物理空间,例如家庭,工作场所,饭店等。到目前为止,这很难大规模地进行调查,但是基于位置的在线社交服务提供的大量数据现在使我们有可能检查成千上万人的友谊和流动性,并研究他们之间的关系。地点开会和社交网络的结构。在本文中,我们分析了来自最流行的在线基于位置的社交网络Foursquare的大型数据集。我们检查了基于城市的社交网络的属性,发现它们具有共同的结构属性,并且两个人相遇的地点类别对他们成为朋友的可能性有很大的影响。受这些观察结果与集中组织理论相结合的启发,我们提出了一个模型来生成城市级的社会网络,并表明它所产生的网络具有在经验数据中看到的结构特性。

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