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. 2014 Mar 20;9(3):e92196. doi: 10.1371/journal.pone.0092196

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© 2014 Grabowicz et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Various statistical network properties are plotted for the data obtained from Twitter (red squares), Gowalla (blue diamonds), Brightkite (green triangles) and the null models (dashed lines), for the US (for the UK and Germany, see Figures S1 and S2). The spatial model (magenta), based on geography, matches well the data in , but yields near-zero values for , and . The linking model (cyan), based on triadic closure, produces enough clustering, but it does not reproduce the distance dependencies of , , and .

Inline graphic — Various statistical network properties are plotted for the data obtained from Twitter (red squares), Gowalla (blue diamonds), Brightkite (green triangles) and the null models (dashed lines), for the US (for the UK and Germany, see Figures S1 and S2). The spatial model (magenta), based on geography, matches well the data in , but yields near-zero values for , and . The linking model (cyan), based on triadic closure, produces enough clustering, but it does not reproduce the distance dependencies of , , and .