A Visual View of Human Computation Models / Crowdsourcing
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A Visual View of Human Computation Models / Crowdsourcing

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A Visual View of
Human Computation Models / Crowdsourcing

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A Visual View of Human Computation Models / Crowdsourcing A Visual View of Human Computation Models / Crowdsourcing Presentation Transcript

  • A Visual View of Human Computation Models / Crowdsourcing 2012.02.28 by Reilly Brennan brennanr@stanford.eduWednesday, May 2, 12
  • How we typically think of crowdsourcing / human computation modelsWednesday, May 2, 12
  • A new visual view Axes Taxonomy Open Fixed Contributor accessibility Novice Expert Consumption view Open CuratedWednesday, May 2, 12
  • EOL: Encyclopedia of Life •Collaborative bio-encyclopedia •Experts and non-experts •Many significant content partnerships •“Infinitely expandable” formats: video, sound, images, graphics, text •Initial $50M funding from MacArthur, Sloan, Smithsonian, Harvard, Field MuseumWednesday, May 2, 12
  • EOL: Encyclopedia of LifeWednesday, May 2, 12
  • Quora •Q&A with curation •Real names •Positive feedback systems •Voting methods •Editing across answers & questions •Private companyWednesday, May 2, 12
  • QuoraWednesday, May 2, 12
  • Stack Overflow •Q&A for computer programming •Positive feedback systems •Deep niche focus •Vertical approach to topics •Voting methods •Platform •Private companyWednesday, May 2, 12
  • Stack OverflowWednesday, May 2, 12
  • Steve Fossett Search •Collaborative search for missing explorer Steve Fossett •Google Earth + Amazon’s Mechanical Turk •Over 50,000 volunteers •Users scrubbed map “tiles”Wednesday, May 2, 12
  • Steve Fossett SearchWednesday, May 2, 12
  • Galaxy Zoo •Collaborative classification of galaxies •“Citizen Science” •Little experience required; extensive tutorials •“You may be the first person in history to see...” •Users scrub map tiles •Heavy participation with academiaWednesday, May 2, 12
  • Galaxy ZooWednesday, May 2, 12
  • Recaptcha •Collaborative digitization through validation •Over 100M captchas per day •Platform •Originally developed by Luis von Ahn, now owned by GoogleWednesday, May 2, 12
  • RecaptchaWednesday, May 2, 12
  • Gwap: Games with a Purpose •Data projects outsourced through entertainment •Good for image and text tasks (tagging, labeling, transcription) •ESP Game first developed by Luis von AhnWednesday, May 2, 12
  • Gwap: Games with a PurposeWednesday, May 2, 12
  • Duolingo •Text translation crowdsourcing via education •“Learn a language, translate the web” •Launched Nov 2011, closed beta w/ over 100k users on waiting list •English - Spanish, German •Originally developed by Louis von AhnWednesday, May 2, 12
  • DuolingoWednesday, May 2, 12
  • ...A model emerges for singular big data challenges Closed taxonomy Novice contributors OK Curated consumption view Native Non nativeWednesday, May 2, 12
  • ...Another model emerges for diverse content platforms Open taxonomy most common Multiple contributor models Curated consumption viewWednesday, May 2, 12
  • DiscussionWednesday, May 2, 12
  • EndWednesday, May 2, 12