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. 2015 Jul 28;11(7):e1004347. doi: 10.1371/journal.pcbi.1004347

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© 2015 Navlakha 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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Fig 7 — (A) Actual data of travel frequency amongst 122 popular cities from the 3rd quarter of 2013 was used to define a source-target distribution. (B-C) Efficiency (travel time in terms of number of hops) and robustness (number of alternative routes with the same number of hops) comparison using different algorithms. Decreasing-rate pruning produced more efficient networks with similar robustness.