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Changer de Focale

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Changer de Focale

  1. 1. Changer de Focalela navigation dans les paysages de donnéesTommaso Venturinitommaso.venturini@sciences-po.frToday’s Menu1. Digital networks and quali-quantitative methods2. The complexity of complex networks3. Three affordances of networks
  2. 2. Changer de Focalela navigation dans lespaysages de donnéesPart I:Digital networks andquali-quantitative methods
  3. 3. Wide angle VS. telephotorich data, small populationslarge populations, poor data
  4. 4. The quali/quantitative dividerich data, small populationslarge populations, poor data
  5. 5. GulliversociologyGullivers TravelsJonathan Swift, 1726
  6. 6. The media as anobject of studyPhoto credit – Brandon Doran via Flickr - ©
  7. 7. The media as carbonpaperChris HarrisonInternet connections
  8. 8. Large populations Paul Butler, 2010Visualizing Friendships
  9. 9. Rich data AOL user 711391 search historywww.minimovies.org/documentaires/view/ilovealaska
  10. 10. Large populationsand rich dataGoogle Fluwww.google.org/flutrends
  11. 11. Large populationsand rich dataGoogle Fluwww.google.org/flutrends
  12. 12. Large populationsand rich dataGoogle Fluwww.google.org/flutrends
  13. 13. Quali-quantitativemethodsTop 50 US blogsBen Fry, 2006http://nymag.com/news/media/15972/
  14. 14. The case ofMark Lombardi
  15. 15. The case of Facenukehttp://greenpeace.fr/facenuke/
  16. 16. The case of Facenukehttp://greenpeace.fr/facenuke/
  17. 17. Changer de Focalela navigation dans lespaysages de donnéesPart II:The complexity of complex networks
  18. 18. The bad news:networks are complex
  19. 19. Networks are complexand do not tell us much http://internet-map.net
  20. 20. The power law(pareto’s law)characteristicscale distributionscale-freedistribution
  21. 21. The power law Barabási, Albert-László (2002)Linked: The New Science of Networks
  22. 22. Complex network ashairballs
  23. 23. Complex network asrhizomes
  24. 24. Complex network asrhizomes“Unlike trees or their roots, the rhizome connects any point to anyother point”Gilles Deleuze& Felix Guattari “A Thousand Plateaus”, 1980“The main feature of a net is that every point can be connected withevery other point, and where the connections are not yetdesigned, they are, however, conceivable and designable. A net isan unlimited territory”Umberto Eco, “Semiotics and the Philosophy of Language”, 1986
  25. 25. Changer de Focalela navigation dans lespaysages de donnéesPart III:Three affordances of networks
  26. 26. The good news:networks are powerful1. Networks as graphs – computation2. networks as maps – visualization3. network as interfaces– manipulation
  27. 27. Network as graphs Euler, 1736, Solutio problematis adgeometriam situs pertinentis
  28. 28. Network as graphs(train routing)
  29. 29. Network as graphs(information routing)
  30. 30. Network as graphs(information retrieval)Lawrence PagePagerank Patent (6285999)
  31. 31. Networks as maps Jacob L. Moreno, April 3, 1933The New York Times
  32. 32. Network as maps London Underground1920 Maphomepage.ntlworld.com/clivebillson/tube/tube.html - www.fourthway.co.uk/tfl.html
  33. 33. Network as maps London Underground1933 Map (Harry Beck)homepage.ntlworld.com/clivebillson/tube/tube.html - www.fourthway.co.uk/tfl.html
  34. 34. Force-vectoralgorithms
  35. 35. Force-vectoralgorithms
  36. 36. Network as maps(or ratherterritories)Kevin LynchThe Image of the City (1959)
  37. 37. Whatmaps are good at
  38. 38. Exploratory DataAnalysisTukey, J. W. (1977)Exploratory Data Analysis
  39. 39. Network as interfaces Pajekvlado.fmf.uni-lj.si/pub/networks/pajek
  40. 40. Network as interfaces Ucinetwww.analytictech.com/ucinet
  41. 41. Network asinterfacesGuessgraphexploration.cond.org
  42. 42. Network asinterfacesGephigephi.org
  43. 43. User-friendlierinterfacesvlado.fmf.uni-lj.si/pub/networks/pajekwww.analytictech.com/ucinetgraphexploration.cond.orggephi.org
  44. 44. The good news:networks are powerful1. Networks as graphs – computation2. networks as maps – visualization3. network as interfaces– manipulation
  45. 45. Alice sociology Alices Adventures in WonderlandLewis Carroll, 1865
  46. 46. NaturalexperimentsSnow, J. (1855). On the Mode ofCommunication of Cholera
  47. 47. NaturalexperimentsSnow, J. (1855). On the Mode ofCommunication of Cholera
  48. 48. NaturalexperimentsSnow, J. (1855). On the Mode ofCommunication of Cholera
  49. 49. tommaso.venturini@sciences-po.frVenturini, T. (2012). Great expectations: méthodes quali-quantitative etanalyse des réseaux sociaux.In J.-P. Fourmentraux (Ed.), L’Ère Post-Media. Humanités digitales etCultures numériques (Hermann., Vol. 104, pp. 39–51). Paris.Venturini, T., &Latour, B. (2010).Le tissu social : trace numérique etméthodes quali-quantitatives. Proceedings of Future En Seine 2009. Paris:Editions Futur en Seine.Latour, B., Jensen, P., Venturini, T., Grauwin, S., &Boullier, D. (2012).“TheWholeisAlwaysSmallerThanItsParts” A Digital Test of GabrielTarde’sMonads. British Journal of Sociology, 63(4), 591–615.

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