1 / 56

Human Computation

Human Computation. Luis von Ahn. Carnegie Mellon University. “CAPTCHA”. Verification technology developed in collaboration with Carnegie Mellon University. “. Help! I’ve been waiting for 20 minutes, and nothing happens. ”.

teresa
Télécharger la présentation

Human Computation

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. HumanComputation Luis von Ahn Carnegie Mellon University

  2. “CAPTCHA” Verification technology developed in collaboration with Carnegie Mellon University

  3. “ Help! I’ve been waiting for 20 minutes, and nothing happens ” Verification technology developed in collaboration with Carnegie Mellon University

  4. Verification technology developed in collaboration with Carnegie Mellon University

  5. QUICKVOTE Which is the best Computer Science Grad School in the US? Berkeley MIT CMU Washington Cornell Stanford vote (From www.slashdot.org)

  6. Verification technology developed in collaboration with Carnegie Mellon University

  7. CAPTCHA Sweat Shops Spam companies hire humans to type CAPTCHAs all day long $2.50 per hour for each human 720 captchas per hour per human 1/3 cent per account

  8. VOTE FOR LUIS

  9. Free Nude Photos Type the word in the box if you want to see the next picture

  10. A

  11. Roughly 200 million CAPTCHAs are typed every day 10s of human time per CAPTCHA Can we use this human effort for good?

  12. Digitizing Books Scan OCR DE xi Ii ARIi.. COPBCtrAGE\, DeC. I l 1 QOn. Tlie royal palace at Frieclericheberg took Ore last oigbt. The li.ing himself directed the operations fns extinguishing the lire. The whole structure ,, ed.

  13. Word that OCR can’t read Scanned book Randomly distorted image of word

  14. Free

  15. Words Digitized Per Day

  16. Two Words Instead of One? Typing two English words takes as long as typing 6-8 random characters

  17. Where do the Words Come From?

  18. 400,000,000 (6% of the world’s population)

  19. CAPTCHA Sweat Shops Mahiddin: Would you help us find some Captcha Project? reCAPTCHA Support: What kind of CAPTCHA project are you looking for? Mahiddin: We are manually break different type of CAPTCHA right now. We have the ability type every day many Captcha. Tell us how we can help you. reCAPTCHA Support: How fast can you type? Mahiddin: Personally I can type more than 60 WPM. But I have a big team. We can give you lot of product. reCAPTCHA Support: Do you mind helping spammers? Mahiddin: No problem, you can tell me details first.

  20. reCAPTCHA Support: One last question: how do you deal with IP address blocking? Please type the following paragraph:

  21. Reusing Wasted Cycles Solving CAPTCHAs (1.9s/day) Bathroom (17m) Electronic Games (1.1h) Eating and Drinking (1.1h) Household Chores (1h) Sleeping (7.6h) Caring for Others (1.1h) Email and IM (1.7h) TV (2.4h) Learning Something (1h) Other (6.6h)

  22. 9 Billion Human-Hours of Solitaire were Played in 2003 Empire State Building 7 million human-hours (6.8 hours of solitaire) Panama Canal 20 million human-hours (less than a day of solitaire)

  23. Labeling Images With Words Martha Stewart Flowers Super Evil Still an open problem

  24. Image Search On The Web Uses filenames and html text

  25. Using Humans Cleverly The ESP game could label all images on google in a few weeks The ESP game

  26. The ESP Game Two-player online game Partners don’t know each other and can’t communicate Object of the game: Type the same word Only thing in common is An image

  27. The ESP Game is Fun 50 million agreements with 200,000 players There are many people that play over 20 hours a week

  28. Labeling The Entire Web 5000 people playing simultaneously can label all images on Google in 2 months! Individual games in Yahoo! and MSN average over 5,000 players at a time

  29. Search Results

  30. Search Results

  31. Search Results

  32. Search Results

  33. Guesses Over Time younger than 40 britney a male hot crazy rehab shaved head

  34. Sample Labels yuck saddam mr. wilson man face moustache bush george president man dumb yuck

  35. Why do people like the ESP Game?

  36. “ The esp game gives its players a weird and beautiful sense of anonymous intimacy. On the one hand, you have no idea who your partner is. On the other hand, the two of you are bringing your minds together in a way that lovers would envy. The ESP game gives its players a weird and beautiful sense of anonymous intimacy. ” The esp game gives its players a weird and beautiful sense of anonymous int On the one hand, you have no idea who your partner is.

  37. “ “ ” ” It’s fast-paced It’s like crack! “ ” Helps me learn English “ ” Strangely addictive “ It’s so much fun trying to guess what others think. You have to step outside of yourself to match ”

More Related