Social Dynamics Simulation Using a Multi-Layer Network

The analysis and evaluation of urban structure are important while considering sustainable urban policies. It is necessary to develop a method that can easily analyze the social dynamics that are the result of changes over time in urban transportation and land use. Therefore, by describing the relationships between various agents in urban areas as a network, it is possible to analyze them by focusing on their structures. However, since there are few existing studies on social dynamics using network-based methods, it is necessary to examine the validity and effectiveness of these methods. The purpose of this study is to examine the possibility of urban analysis and evaluation focusing on the network shape by describing the urban activities and modeling the dynamics with a multilayer network. In particular, we focus on household composition and individual facility access, examine what kind of interpretation is possible for network indicators, and mention the applicability of complex networks to urban analysis. The model was applied to a two-dimensional grid virtual city, and the household composition and individual facility accessibility were quantified using the centrality index.

在考虑可持续城市政策时，对城市结构进行分析和评估是很重要的。有必要开发一种能够轻松分析城市交通和土地利用随时间变化所产生的社会动态的方法。因此，通过将城市区域内的各种主体之间的关系描述为一个网络，就有可能通过关注其结构来对它们进行分析。然而，由于现有的基于网络方法的社会动态研究较少，有必要检验这些方法的有效性和实用性。本研究的目的是通过描述城市活动并用多层网络对动态进行建模，来检验以网络形态为重点进行城市分析和评估的可能性。特别是，我们关注家庭构成和个人设施可达性，研究对于网络指标可以进行何种解释，并提及复杂网络在城市分析中的适用性。该模型应用于一个二维网格虚拟城市，并使用中心性指数对家庭构成和个人设施可达性进行了量化。