Research Article

Community Core Evolution in Mobile Social Networks

Figure 9

Number of nodes in community detected by COPRA. (a) Node number at each timestamp in communities (SIGCOMM09). (b) Number of node changes in community between two consecutive timestamps (SIGCOMM09). (c) Node number at each timestamp in communities (SIGCOMM09). (d) Number of node changes in community between two consecutive timestamps (INFOCOM06).
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(a)
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(b)
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(c)
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(d)