Twitter social Network (2.4 Million nodes, 38 million links) by Josep Pujol, Vojay Erramilli, and Pablo Rodriguez:[REF] The authors explore the problem of partitioning Online Social Networks onto different machines.
Mobile phone Network (4 Million nodes, 100 Million links) by Derek Greene, Donal Doyle, and Padraig Cunningham:[REF] Community-tracking strategies for identifying dynamic communities of different dynamic social networks.