Authors: Yanghong Zhou; Shijie Zhou; Jiaqing Luo
Addresses: University of Electronic Science and Technology of China, Chengdu 611731, China ' University of Electronic Science and Technology of China, Chengdu 611731, China ' University of Electronic Science and Technology of China, Chengdu 611731, China
Abstract: With the continuing urbanisation of the world's population, the risk of economic, health and environmental disaster is also increasing. There is an urgent demand for urban planners and governments to understand how people use the city's infrastructure. Recently, as cell phones become more popular, mobile phone data provides an unlimited source of information about the city. In this paper, we build a social network between different base stations and analyse how the places are connected by using a four-day mobile phone dataset, which consists of 17,598,000 records. Particularly, we construct communication network between different parts of the city and analyse the degree distribution of the network and the homophily of the administrative areas. We then use Louvain method to detect the community structure of the network on weekdays and weekends. Our results show that the in-degree and outdegree distribution of the network exhibit a heavy-tailed form and the assortativity by administrative area is strong. The communities found on weekdays and weekends are both spatially contiguous, which implies that whether at work or not, people tend to communicate within a spatially enclosed community.
Keywords: city dynamics; communication networks; base stations; mobile phone data; mobile phones; cell phones; degree distribution; homophily; community detection; Louvain method; administrative areas; embedded systems; urbanisation; city infrastructure; social networks; spatially enclosed communities.
International Journal of Embedded Systems, 2016 Vol.8 No.1, pp.87 - 92
Available online: 17 Dec 2015 *Full-text access for editors Access for subscribers Purchase this article Comment on this article