The Hidden Image of the City

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Full paper: http://www.cl.cam.ac.uk/~nkl25/publications/papers/lathia_pervasive2012.pdf

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The Hidden Image of the City

  1. 1. the hidden image of the city:sensing community well-being from urbanmobility@neal_lathia
  2. 2. do you recognise...?
  3. 3. economistbenchmarking global city competitivenessappendix 1# 1 New York# 2 London# 4 Paris# 33 Oslo# 53 Warsaw
  4. 4. past work:visibility / recall ~ well-being
  5. 5. the image of the city casa, ucl
  6. 6. our work:visibility / recall ~ pervasive data a crossroad in our recent research
  7. 7. how smart is your smart-card?measuring travel behaviours, perceptions, andincentives@neal_lathia - ubicomp 2011
  8. 8. individuals preferences ~ pervasive data
  9. 9. tracking “gross community happiness”from tweets@danielequercia - cscw 2012
  10. 10. communitys words ~ well-being
  11. 11. mobilitypreferences community pervasive data ~ well-being?
  12. 12. IMD index of multiple deprivation89 million journeys
  13. 13. 1. map IMD – public transport obtains the deprivation of locations2. infer familiar locations assigns people to top-2 places3. user-visit matrix binary matrix reflects if u has visited station j4. community-flow matrix station-by-station. familiar with x, travels to y5. flow, social equaliser & heterogeneity counts
  14. 14. main results correlating mobility with social deprivation1. area IMD ~ areas it receives visits from r = 0.21, p < 0.0012. no homophily effect r = 0.02, p < 0.0013. heterogeneity holds for well-off areas r = -0.16, p < 0.001
  15. 15. limitations & bias
  16. 16. the hidden image of the city:sensing community well-being from urbanmobility@neal_lathia

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