1. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Physiological Data Modeling Contest An ICML-2004 Workshop, July 8, 2004

2. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Revelation of Contexts Context 1 – Annotation 3004 Context 2 – Annotation 5102 Watching TV Sleep

3. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Revelation of Channels

4. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Explanation of Channels gsr_average –Measures sweat (conductivity across the skin) –Unit: micro Siemens heat_flux_average –Measures heat lost to the environment –Unit: Watts/meter^2 near_body_temp_average –Measures temperature near armband –Unit: degrees Centigrade pedometer –Measures number of steps –Unit: steps skin_temp_average –Measures temperature of skin in contact with armband –Unit: degrees Centigrade

5. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Explanation of Channels longitudinal_accelerometer_SAD –Measures Sum of Absolute Differences of vertical acceleration –Unit: g longitudinal_accelerometer_average –Measures average of vertical acceleration –Unit: g transverse_accelerometer_SAD –Measures Sum of Absolute Differences of horizontal acceleration –Unit: g transverse_accelerometer_average –Measures average of horizontal acceleration –Unit: g

6. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Revelation of Set Distributions

7. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac Summary of Approaches –Approach 1: No Chars –Approach 2: 1 Char –Approach 3: 2 Chars

8. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Predictions Approach 1: No Chars

9. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Results Approach 1: No Chars

10. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Predictions Approach 2: 1 Char

11. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Results Approach 2: 1 Char

12. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Predictions Approach 3: 2 Chars

13. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Results Approach 3: 2 Chars

14. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Brown – Zodiac – Summary

15. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India Summary of Approaches –Approach 1: Raw Data –Approach 2: PCA

16. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Predictions Approach 1: Raw Data

17. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Results Approach 1: Raw Data

18. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Predictions Approach 2: PCA

19. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Results Approach 2: PCA

20. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Daimler Chrysler Research And Technology India – Summary

21. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board

22. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine Summary of Approaches –Approach 1: mDSB 1 –Approach 2: mDSB 2 –Approach 3: Simple Bayesian

23. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Predictions Approach 1: mDSB 1

24. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Results Approach 1: mDSB 1

25. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Predictions Approach 2: mDSB 2

26. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Results Approach 2: mDSB 2

27. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Predictions Approach 3: Simple Bayesian

28. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Results Approach 3: Simple Bayesian

29. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary National Library of Medicine – Summary

30. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board

31. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin Summary of Approach

32. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin – Predictions

33. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin – Results

34. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Texas Austin – Saurabh Amin – Summary

35. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board

36. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia Summary of Approaches –Approach 1: 50/50 –Approach 2: All Negative –Approach 3: Semi-Supervised

37. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Predictions Approach 1: 50/50

38. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Results Approach 1: 50/50

39. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Predictions Approach 2: All Negative

40. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Results Approach 2: All Negative

41. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Predictions Approach 3: Semi-Supervised

42. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Results Approach 3: Semi-Supervised

43. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary CMU – Informedia – Summary

44. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board

45. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama Summary of Approach Approach: Ultra Fast Forrest of Trees

46. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama – Predictions Approach: Ultra Fast Forrest of Trees

47. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama – Results Approach: Ultra Fast Forrest of Trees

48. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary University of Porto – João Gama – Summary

49. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board

50. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique Summary of Approaches –Approach 1: Voting Procedure –Approach 2: Weighted Voting Procedure

51. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Predictions Approach 1: Voting Procedure

52. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Results Approach 1: Voting Procedure

53. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Predictions Approach 2: Weighted Voting Procedure

54. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Results Approach 2: Weighted Voting Procedure

55. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Laboratoire de Recherche en Informatique – Summary

56. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board

57. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal Summary of Approach

58. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal – Predictions

59. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal – Results

60. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Smart Signal – Summary

61. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Leader Board ?

62. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Gender Prediction

63. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Context1 (3004 – Watching TV)

64. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Context2 (5102 – Sleeping)

65. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Summary: Overall Results

66. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary Awards Honorable Mention: Gender –Saurabh Amin (0.7591) Honorable Mention: Context 1 (watching TV) –Smart Signal (0.7498) Honorable Mention: Context 2 (sleep) –Informedia 3: Semi-Supervised (0.9125) Overall Winner: –Informedia 3: Semi-Supervised (0.7620)

67. Copyright BodyMedia, Inc. © 2004, Confidential and Proprietary