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æ



                          Networks, Complexity and
                                Internet Regulation
                                           Andres Guadamuz




Monday, 2 April 12
æ
          2




                                                             Insert apology

                          http://www.flickr.com/photos/30633847@N07/2870575547/sizes/m/in/photostream/
Monday, 2 April 12
æ




                          Introduction




Monday, 2 April 12
å
        Psychohistory

               “PSYCHOHISTORY - … Gaal
               Dornick, using non-mathematical
               concepts, has defined
               psychohistory to be that branch
               of mathematics which deals with
               the reactions of human
               conglomerates to fixed and social
               stimuli…”
               Isaac Asimov, Foundation




Monday, 2 April 12
å




                                       5
    Physical - social dichotomy




Monday, 2 April 12
å




                                     6
    The physical modelling of
    social systems




Monday, 2 April 12
æ



                          The science of
                             complexity




Monday, 2 April 12
å




                                                                  8
    Some concepts
              Network: System of interconnected things.
              Nodes: individual elements in network
              Links: relationships between nodes
              Hubs: super nodes.
              Graphs: graphical representation of networks




Monday, 2 April 12
å




                          9
    Random network




Monday, 2 April 12
å




                              10
    Scale-free network




Monday, 2 April 12
å




                          11
    Power laws




Monday, 2 April 12
å




                               12
    Random v scale-free




Monday, 2 April 12
å




                                                                           13
    Distributions




                     “Bell” Distributions   Power Law Distributions




Monday, 2 April 12
å



                     Network explosion




Monday, 2 April 12
å




                                                                                   15
    Characteristics
              Long tails.                     Cascading failures: Potential
                                              vulnerability if super hubs
              Connectedness: “Six
                                              are removed.
              degrees of separation”
                                              Tipping points, cascading
              Accumulation of links: “the
                                              effects, mob behaviour .
              rich get richer”
                                              Centrality: some hubs can
              Hyper-accumulation of links:
                                              be more important if they
              “the winner takes all”
                                              have a central role in the
              Pareto distribution: 80-20      network.
              rule Robustness: resilient to
              random attacks




Monday, 2 April 12
å




                                            16
    Six degrees of interdisciplinary
    collaborations




Monday, 2 April 12
å




                                    17
    Six degrees of scholarly
    citation




Monday, 2 April 12
å




                                      18
    Scale-free sexual contacts




Monday, 2 April 12
å




                                 19
    Power law of Mandarin




Monday, 2 April 12
å




                                        20
    Long tail in WoW guild sizes




Monday, 2 April 12
å




                                       21
    Scale-free genetic clusters




Monday, 2 April 12
å




                                     22
    Scale-free yeast proteins




Monday, 2 April 12
å




                                23
    Six degrees websites




Monday, 2 April 12
æ
       24




                          Internet regulation




Monday, 2 April 12
å




                                      25
    The perception of Internet
    Regulation




Monday, 2 April 12
å




                          26
    Reality




Monday, 2 April 12
å




                          26
    Reality




Monday, 2 April 12
å




                          26
    Reality




Monday, 2 April 12
å




                          26
    Reality




Monday, 2 April 12
å




                          27
    The Internet




Monday, 2 April 12
å




                                                                                    28
    Internet from network
    theory standpoint
              Distributed architecture
              Tending towards national and regional centralisation of nodes.
              Scale-free.
              Displays some small world clusters.
              Power laws at high level of granularity.
              P2P networks, botnets, all highly resilient.




Monday, 2 April 12
å




                                   29
    How can complex studies
    help?




Monday, 2 April 12
å




                          30
    Architecture




Monday, 2 April 12
å




                          31
    Centrality




Monday, 2 April 12
å




                          31
    Centrality




Monday, 2 April 12
å




                                      32
    Copyright Policy: The Long
    Tail




Monday, 2 April 12
å




                                      32
    Copyright Policy: The Long
    Tail




Monday, 2 April 12
å




                                      32
    Copyright Policy: The Long
    Tail




Monday, 2 April 12
å




                                      32
    Copyright Policy: The Long
    Tail




Monday, 2 April 12
å




                                      32
    Copyright Policy: The Long
    Tail




Monday, 2 April 12
å




                          33
    P2P resilience




Monday, 2 April 12
å




                              34
    Torrent popularity




Monday, 2 April 12
å




                             35
    Cybercrime policy




Monday, 2 April 12
å




                          36
    Spam nets




Monday, 2 April 12
å




                          37
    Botnets




Monday, 2 April 12
å




                          38
    Privacy




Monday, 2 April 12
å




                           39
    Social networks




Monday, 2 April 12
æ
          40




                          Concluding...

Monday, 2 April 12
æ
          41




                          anduril13@gmail.com

Monday, 2 April 12

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Networks, Complexity and Internet Regulation

  • 1. æ Networks, Complexity and Internet Regulation Andres Guadamuz Monday, 2 April 12
  • 2. æ 2 Insert apology http://www.flickr.com/photos/30633847@N07/2870575547/sizes/m/in/photostream/ Monday, 2 April 12
  • 3. æ Introduction Monday, 2 April 12
  • 4. å Psychohistory “PSYCHOHISTORY - … Gaal Dornick, using non-mathematical concepts, has defined psychohistory to be that branch of mathematics which deals with the reactions of human conglomerates to fixed and social stimuli…” Isaac Asimov, Foundation Monday, 2 April 12
  • 5. å 5 Physical - social dichotomy Monday, 2 April 12
  • 6. å 6 The physical modelling of social systems Monday, 2 April 12
  • 7. æ The science of complexity Monday, 2 April 12
  • 8. å 8 Some concepts Network: System of interconnected things. Nodes: individual elements in network Links: relationships between nodes Hubs: super nodes. Graphs: graphical representation of networks Monday, 2 April 12
  • 9. å 9 Random network Monday, 2 April 12
  • 10. å 10 Scale-free network Monday, 2 April 12
  • 11. å 11 Power laws Monday, 2 April 12
  • 12. å 12 Random v scale-free Monday, 2 April 12
  • 13. å 13 Distributions “Bell” Distributions Power Law Distributions Monday, 2 April 12
  • 14. å Network explosion Monday, 2 April 12
  • 15. å 15 Characteristics Long tails. Cascading failures: Potential vulnerability if super hubs Connectedness: “Six are removed. degrees of separation” Tipping points, cascading Accumulation of links: “the effects, mob behaviour . rich get richer” Centrality: some hubs can Hyper-accumulation of links: be more important if they “the winner takes all” have a central role in the Pareto distribution: 80-20 network. rule Robustness: resilient to random attacks Monday, 2 April 12
  • 16. å 16 Six degrees of interdisciplinary collaborations Monday, 2 April 12
  • 17. å 17 Six degrees of scholarly citation Monday, 2 April 12
  • 18. å 18 Scale-free sexual contacts Monday, 2 April 12
  • 19. å 19 Power law of Mandarin Monday, 2 April 12
  • 20. å 20 Long tail in WoW guild sizes Monday, 2 April 12
  • 21. å 21 Scale-free genetic clusters Monday, 2 April 12
  • 22. å 22 Scale-free yeast proteins Monday, 2 April 12
  • 23. å 23 Six degrees websites Monday, 2 April 12
  • 24. æ 24 Internet regulation Monday, 2 April 12
  • 25. å 25 The perception of Internet Regulation Monday, 2 April 12
  • 26. å 26 Reality Monday, 2 April 12
  • 27. å 26 Reality Monday, 2 April 12
  • 28. å 26 Reality Monday, 2 April 12
  • 29. å 26 Reality Monday, 2 April 12
  • 30. å 27 The Internet Monday, 2 April 12
  • 31. å 28 Internet from network theory standpoint Distributed architecture Tending towards national and regional centralisation of nodes. Scale-free. Displays some small world clusters. Power laws at high level of granularity. P2P networks, botnets, all highly resilient. Monday, 2 April 12
  • 32. å 29 How can complex studies help? Monday, 2 April 12
  • 33. å 30 Architecture Monday, 2 April 12
  • 34. å 31 Centrality Monday, 2 April 12
  • 35. å 31 Centrality Monday, 2 April 12
  • 36. å 32 Copyright Policy: The Long Tail Monday, 2 April 12
  • 37. å 32 Copyright Policy: The Long Tail Monday, 2 April 12
  • 38. å 32 Copyright Policy: The Long Tail Monday, 2 April 12
  • 39. å 32 Copyright Policy: The Long Tail Monday, 2 April 12
  • 40. å 32 Copyright Policy: The Long Tail Monday, 2 April 12
  • 41. å 33 P2P resilience Monday, 2 April 12
  • 42. å 34 Torrent popularity Monday, 2 April 12
  • 43. å 35 Cybercrime policy Monday, 2 April 12
  • 44. å 36 Spam nets Monday, 2 April 12
  • 45. å 37 Botnets Monday, 2 April 12
  • 46. å 38 Privacy Monday, 2 April 12
  • 47. å 39 Social networks Monday, 2 April 12
  • 48. æ 40 Concluding... Monday, 2 April 12
  • 49. æ 41 anduril13@gmail.com Monday, 2 April 12