http://snap.stanford.edu/data/CollegeMsg.html
4月15日 7.56 ～ 10月26日 0.52 nodes: 1899 active: 1893
not in global: 228 229 1796 1797 1811 1812
general mailing frequency by time(only send)
reciprocate(effective communication(quality))
(temporal network)
Question: How to select immutation nodes to reduce infection?
- freq
- active days
- spammer(send a lot)
Immutate nodes
(temporal & static ?)