Your SlideShare is downloading. ×

Galaxy Zoo: Citizen science on Rails

1,430

Published on

Slides from ActiveResearch meeting at RailsConf '09

Slides from ActiveResearch meeting at RailsConf '09

Published in: Technology, Education
0 Comments
8 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
1,430
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
0
Comments
0
Likes
8
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Galaxy Zoo Citizen Science on Rails Arfon Smith
  • 2. Citizen science?
  • 3. :-(
  • 4. :-)
  • 5. 700,000 Images
  • 6. 20,000 Users
  • 7. 40,000,000 Inspections
  • 8. Awesome
  • 9. Astronomy?
  • 10. 100 80 60 40 20 0 Professor
  • 11. 10,000 7,500 5,000 2,500 0 Professor Paper
  • 12. 50,000 37,500 25,000 12,500 0 Professor Paper PhD
  • 13. 1,000,000 750,000 500,000 250,000 0 Professor Paper PhD SDSS
  • 14. 70,000 60,000 Classifications per hour 1 50,000 Kevin weeks 40,000 30,000 20,000 Fukugita et al. 2007 10,000 0 0 6 12 18 24 30 36 42 48 Hours
  • 15. 1,000,000 Galaxies
  • 16. 170,000 Users
  • 17. 70,000,000 Classifications
  • 18. 70,000,000 Does it work? Classifications
  • 19. You bet
  • 20. Clean Super Clean
  • 21. Clean Super Clean
  • 22. Clean Super Clean
  • 23. better than the professionals
  • 24. 1. Collaborators not users 2. Contribute to real research 3. Don’t waste people’s time
  • 25. Land K., et al., 2008, Galaxy Zoo: The large-scale spin statistics of spiral galaxies in the Sloan Digital Sky Survey Lintott C.J., et al., 2008, Galaxy Zoo: Morphologies derived from visual inspection of galaxies from the Sloan Digital Sky Survey Bamford S.P., et al., 2008, Galaxy Zoo: the dependence of morphology and colour on environment Slosar A., et al., 2008, Galaxy Zoo: Chiral correlation function of galaxy spins Schawinski K. et al. 2009, Galaxy Zoo : A sample of blue early-type galaxies at low redshift
  • 26. 250,000 Galaxies
  • 27. 225,000 Users
  • 28. 28,000,000 Classifications
  • 29. 70,000,000 What ’s next? Classifications
  • 30. 1 #
  • 31. Contribution to research
  • 32. Galaxy Zoo Database
  • 33. Galaxy Zoo Crow Zoo Moon Zoo Papyrus Zoo Database Database Database Database
  • 34. Task Project Annotation User Asset Answer
  • 35. Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9
  • 36. HAProxy Web Web Web HAProxy API API MySQL Master MySQL Slave MySQL Slave
  • 37. Questions?

×