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Data Science of Love

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

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

Published in: Technology
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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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  • 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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