Data Science of Love
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Chief Data Scientist Summit 2013, San Diego, California, USA
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Data Science of Love
- 2. Data Science of Love
- 3. The eHarmony Difference › Who we are ~45% Tech
- 4. The eHarmony Difference › Who we are ~45% Tech ~15% Customer Care
- 5. The eHarmony Difference › Who we are ~45% Tech ~15% Customer Care ~10% Marketing
- 6. The eHarmony Difference › Compatibility Matching System®
- 7. The eHarmony Difference › Compatibility Matching System® Compatibility Matching System®
- 8. The eHarmony Difference › Compatibility Matching System® Compatibility Matching System® 1 Compatibility Matching
- 9. The eHarmony Difference › Compatibility Matching System® Compatibility Matching System® 1 2 Compatibility Affinity Matching Matching
- 10. The eHarmony Difference › Compatibility Matching System® 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. The eHarmony Difference › Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
- 14. Compatibility Matching › Relationship Questionnaire › Personality › Values › Attitudes › Beliefs
- 15. Compatibility Matching › Obstreperousness
- 16. Compatibility Matching › Romantic
- 17. Compatibility Matching › 29 Dimensions®
- 18. Compatibility Matching › 29 Dimensions®
- 19. The eHarmony Difference › Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
- 20. The eHarmony Difference › Compatibility Matching System® Layers on Top of Compatibility Matching 1 2 3 Compatibility Affinity Match Matching Matching Distribution
- 22. Affinity Matching › 61 21
- 23. Affinity Matching › 61 21 3000
- 24. Affinity Matching › 61 21 3000
- 26. Affinity Matching › … … …
- 27. Affinity Matching › Distance Prob( )
- 28. Affinity Matching › Distance
- 29. Affinity Matching › Height difference Prob( ) 4 -‐ 8 in cm
- 30. Affinity Matching › “Attractiveness” Prob( )
- 31. Affinity Matching › Zoom level
- 32. Affinity Matching › Zoom level
- 33. Affinity Matching › Zoom level
- 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 › 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%
- 36. Affinity Matching › Prob( | data) ~40M registered users ... ... ~10^3 aCributes ? ~10^8 matches per day ~10^8 daily
- 37. Affinity Matching › Prob( | data) data large sparse redundant dense complex non-‐linear (freetext) moderate #features vowpal wabbit gradient boosted decision trees ?
- 38. Affinity Matching › Domain Specific Language ... ... ... ?? DSL embarassingly parallel
- 39. The eHarmony Difference › Compatibility Matching System® 1 2 3 Compatibility Affinity Match Matching Matching Distribution
- 40. 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
- 41. Match Distribution › Graph optimization
- 42. Match Distribution › Graph optimization
- 43. Match Distribution › Graph optimization 2 2
- 44. Match Distribution › Graph optimization 2 1 2
- 45. Match Distribution › Graph optimization 2 Prob( 1 | data) 2
- 46. Match Distribution › Graph optimization 2 Prob( 1 | data) 2
- 47. Match Distribution › Graph optimization 2 Prob( | data) 2
- 48. Match Distribution › Graph optimization 2 Prob( | data) 2
- 49. Guided Resulting Customer Experience › Communication
- 50. Guided Resulting Customer Experience › Communication
- 51. Guided Resulting Customer Experience › Communication ? !
- 52. Resulting Customer Experience › Success!
- 53. Resulting Customer Experience › Success!
- 54. eHarmony Results › The eHarmony Impact 2005 90 eHarmony Members Married Every Day * * According to a Harris Interactive survey for eHarmony
- 55. eHarmony Results › The eHarmony Impact 2005 2007 236 eHarmony Members Married Every Day * * According to a Harris Interactive survey for eHarmony
- 56. eHarmony Results › The eHarmony Impact 2005 2007 2009 542 eHarmony Members Married Every Day * * According to a Harris Interactive survey for eHarmony
- 57. @petricek linkedin.com/in/petricek