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. 2013 Dec 20;8(12):e83489. doi: 10.1371/journal.pone.0083489

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© 2013 Gong 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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The Caltech network can be divided into 13 communities based on the method of Newman and Girvan [55], as illustrated by the different colors. Also illustrated is a bridge hub that carries the largest number of weak ties and connects with other bridge nodes labeled as to . The number on a weak tie shows the difference in the numbers of weak ties originated from the node and the bridge node at the other end of the weak tie.

Inline graphic — The Caltech network can be divided into 13 communities based on the method of Newman and Girvan [55], as illustrated by the different colors. Also illustrated is a bridge hub that carries the largest number of weak ties and connects with other bridge nodes labeled as to . The number on a weak tie shows the difference in the numbers of weak ties originated from the node and the bridge node at the other end of the weak tie.