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The geography of 
urban networks 
@cyague 
Dataβeers / Sept 2014
Our data 
• 3 phone networks, country scope during 6 
month. In total, about 7 billion calls 
• Mutual links considered (a...
What about virality? 
Tuesday, November 12, 13
Long distance 
-1.5<α<-1
Are modularity induced communities 
What about virality? 
geographically clustered? 
1 Take the social graph 
! 
2 Detect ...
The method permits non-adjacent communities!!!
All these results are about 
nation-wide social networks
All these results are about 
nation-wide social networks 
Do they hold within cities?
R?
R?
Which is the critical R so that the ball 
often contains a connected network? 
(*) at least we couldn’t find it
There is not (*) 
However, we found that if the balls contains at 
least an entire city, a giant component emerges 
(*) at...
ConnectionsR beestuwlteen most central actors
One more thing
ConnectionsR beestuwlteen most central actors
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera
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[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera

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"La Geografía de las Redes Sociales Urbanas". Carlos Herrera

[Databeers] 18-09-2014 La Geografía de las Redes Sociales Urbanas. Carlos Herrera

  1. 1. The geography of urban networks @cyague Dataβeers / Sept 2014
  2. 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)
  3. 3. What about virality? Tuesday, November 12, 13
  4. 4. Long distance -1.5<α<-1
  5. 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
  6. 6. The method permits non-adjacent communities!!!
  7. 7. All these results are about nation-wide social networks
  8. 8. All these results are about nation-wide social networks Do they hold within cities?
  9. 9. R?
  10. 10. R?
  11. 11. Which is the critical R so that the ball often contains a connected network? (*) at least we couldn’t find it
  12. 12. There is not (*) However, we found that if the balls contains at least an entire city, a giant component emerges (*) at least we couldn’t find it
  13. 13. ConnectionsR beestuwlteen most central actors
  14. 14. One more thing
  15. 15. ConnectionsR beestuwlteen most central actors
  • oscar_pazos

    Dec. 18, 2016

"La Geografía de las Redes Sociales Urbanas". Carlos Herrera

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