Data Science of Love

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Chief Data Scientist Summit 2013, San Diego, California, USA

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  • Love it. I do recognize some of those :)
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  • And here is a video of the talk: http://bit.ly/15z7Mmf
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Data Science of Love

  1. Data Science of Love
  2. The eHarmony Difference › Who we are ~45% Tech
  3. The eHarmony Difference › Who we are ~45% Tech ~15% Customer Care
  4. The eHarmony Difference › Who we are ~45% Tech ~15% Customer Care ~10% Marketing
  5. The eHarmony Difference › Compatibility Matching System®
  6. The eHarmony Difference › Compatibility Matching System® Compatibility Matching System®
  7. The eHarmony Difference › Compatibility Matching System® Compatibility Matching System® 1 Compatibility Matching
  8. The eHarmony Difference › Compatibility Matching System® Compatibility Matching System® 1 2 Compatibility Affinity Matching Matching
  9. The eHarmony Difference › Compatibility Matching System® Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
  10. The eHarmony Difference
  11. The eHarmony Difference › Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
  12. The eHarmony Difference › Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
  13. Compatibility Matching › Relationship Questionnaire › Personality › Values › Attitudes › Beliefs
  14. Compatibility Matching › Obstreperousness
  15. Compatibility Matching › Romantic
  16. Compatibility Matching › 29 Dimensions®
  17. Compatibility Matching › 29 Dimensions®
  18. The eHarmony Difference › Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
  19. The eHarmony Difference › Compatibility Matching System® Layers on Top of Compatibility Matching 1 2 3 Compatibility Affinity Match Matching Matching Distribution
  20. Affinity Matching ›
  21. Affinity Matching › 61 21
  22. Affinity Matching › 61 21 3000
  23. Affinity Matching › 61 21 3000
  24. Affinity Matching ›
  25. Affinity Matching › … …
  26. Affinity Matching › Distance Prob(              )
  27. Affinity Matching › Distance
  28. Affinity Matching › Height differenceProb(              ) 4  -­‐  8  in cm
  29. Affinity Matching › “Attractiveness”Prob(              )
  30. Affinity Matching › Zoom level
  31. Affinity Matching › Zoom level
  32. Affinity Matching › Zoom level
  33. Affinity Matching › Food preference 25% -­‐1% -­‐24% 20% 13% 9% -­‐5% -­‐27% 7% 0% -­‐12% -­‐21% -­‐42% -­‐19% -­‐23% 19% 0% -­‐28% 28% 10% 9% -­‐11% -­‐35% 11% 44%
  34. Affinity Matching › Food preference 25% -­‐1% -­‐24% 20% 13% 9% -­‐5% -­‐27% 7% 0% -­‐12% -­‐21% -­‐42% -­‐19% -­‐23% 19% 0% -­‐28% 28% 10% 9% -­‐11% -­‐35% 11% 44%
  35. Affinity Matching › Prob( | data)~40M  registered  users ... ... ~10^3  aCributes ?~10^8  matches  per  day ~10^8  daily
  36. Affinity Matching › Prob( | data) data large  sparse  redundant dense  complex  non-­‐linear   (freetext) moderate  #features vowpal  wabbit gradient  boosted  decision  trees ?
  37. Affinity Matching › Domain Specific Language ... ... ... ?? DSL embarassingly  parallel
  38. The eHarmony Difference › Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
  39. The eHarmony Difference › Compatibility Matching System® Delivering the right matches at the right time to as many people as possible across the entire network. 1 2 3 Compatibility Affinity Match Matching Matching Distribution
  40. Match Distribution › Graph optimization
  41. Match Distribution › Graph optimization
  42. Match Distribution › Graph optimization 2 2
  43. Match Distribution › Graph optimization 2 1 2
  44. Match Distribution › Graph optimization 2 Prob( 1 | data) 2
  45. Match Distribution › Graph optimization 2 Prob( 1 | data) 2
  46. Match Distribution › Graph optimization 2 Prob( | data) 2
  47. Match Distribution › Graph optimization 2 Prob( | data) 2
  48. GuidedResulting Customer Experience › Communication
  49. GuidedResulting Customer Experience › Communication
  50. GuidedResulting Customer Experience › Communication ? !
  51. Resulting Customer Experience › Success!
  52. Resulting Customer Experience › Success!
  53. eHarmony Results › The eHarmony Impact 2005 90 eHarmony Members Married Every Day * * According to a Harris Interactive survey for eHarmony
  54. eHarmony Results › The eHarmony Impact 2005 2007 236 eHarmony Members Married Every Day * * According to a Harris Interactive survey for eHarmony
  55. eHarmony Results › The eHarmony Impact 2005 2007 2009 542 eHarmony Members Married Every Day * * According to a Harris Interactive survey for eHarmony
  56. @petricek linkedin.com/in/petricek

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