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Uncovering regional characteristics from mobile phone data: A network science approach
Author(s) -
Chi Guanghua,
Thill JeanClaude,
Tong Daoqin,
Shi Li,
Liu Yu
Publication year - 2016
Publication title -
papers in regional science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.937
H-Index - 64
eISSN - 1435-5957
pISSN - 1056-8190
DOI - 10.1111/pirs.12149
Subject(s) - mobile phone , computer science , data science , environmental science , telecommunications
We introduce network science methods to uncover inherent characteristics of functional regions. An aggregate spatial interaction network is constructed based on a large mobile phone data set including 431 million mobile calls made by 10 million anonymous customers over one month and the geographic locations of the mobile base towers involved in each call. We use Thiessen polygons (termed ‘cells’) as the unit of analysis to approximate the service area of each mobile base tower. Major findings encompass the following three aspects. First, cells with high betweenness centrality are linearly distributed in space, which closely aligns with major transportation corridors. We find that this pattern can be explained by analysing the characteristics of calling activities on transportation networks. Second, we detect a two‐level hierarchy of communities that correspond well to county and prefecture‐level administrative unit boundaries. Lastly, almost every community identified at the two hierarchical levels contains a cell with high betweenness. These cells are located near the political and economic centres and play the role of hubs in the regional socio‐economic system. This research demonstrates that networks built from mobile phone data provide new understandings of spatial interactions and regional structures.

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