2. Our data
• 3 phone networks, country scope during 6
month. In total, about 7 billion calls
• Mutual links considered (at least one
interaction per direction)
• User are geo-located to their most used
tower (FR and PT) or zip code (SP)
5. Are modularity induced communities
What about virality?
geographically clustered?
1 Take the social graph
!
2 Detect communities
!
3 Assign each detected top
level community a color
!
4 Plot towers in the map,
coloring them according the
most common community
among its users
Tuesday, November 12, 13