Evidence That Calls-Based and Mobility Networks Are Isomorphic

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Evidence That Calls-Based and Mobility Networks Are Isomorphic

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Title: Evidence That Calls-Based and Mobility Networks Are Isomorphic
Author: Coscia, Michele; Hausmann, Ricardo

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Citation: Coscia, Michele, and Ricardo Hausmann. 2015. “Evidence That Calls-Based and Mobility Networks Are Isomorphic.” PLoS ONE 10 (12): e0145091. doi:10.1371/journal.pone.0145091. http://dx.doi.org/10.1371/journal.pone.0145091.
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Abstract: Social relations involve both face-to-face interaction as well as telecommunications. We can observe the geography of phone calls and of the mobility of cell phones in space. These two phenomena can be described as networks of connections between different points in space. We use a dataset that includes billions of phone calls made in Colombia during a six-month period. We draw the two networks and find that the call-based network resembles a higher order aggregation of the mobility network and that both are isomorphic except for a higher spatial decay coefficient of the mobility network relative to the call-based network: when we discount distance effects on the call connections with the same decay observed for mobility connections, the two networks are virtually indistinguishable.
Published Version: doi:10.1371/journal.pone.0145091
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4695092/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:24984035
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