a visual view of human computation models / crowdsourcing
TRANSCRIPT
A Visual View of Human Computation Models / Crowdsourcing
2012.02.28
by Reilly [email protected]
Wednesday, May 2, 12
How we typically think of crowdsourcing / human computation models
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Axes
Taxonomy
Contributoraccessibility
Consumptionview
Open Fixed
Novice Expert
Open Curated
A new visual view
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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 Museum
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EOL: Encyclopedia of Life
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•Q&A with curation•Real names•Positive feedback systems•Voting methods•Editing across answers & questions•Private company
Quora
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Quora
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•Q&A for computer programming•Positive feedback systems•Deep niche focus•Vertical approach to topics•Voting methods•Platform•Private company
Stack Overflow
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Stack Overflow
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Steve Fossett Search
•Collaborative search for missing explorer Steve Fossett
•Google Earth + Amazon’s Mechanical Turk
•Over 50,000 volunteers
•Users scrubbed map “tiles”
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Steve Fossett Search
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•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 academia
Galaxy Zoo
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Galaxy Zoo
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•Collaborative digitization through validation
•Over 100M captchas per day
•Platform
•Originally developed by Luis von Ahn, now owned by Google
Recaptcha
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Recaptcha
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•Data projects outsourced through entertainment
•Good for image and text tasks (tagging, labeling, transcription)
•ESP Game first developed by Luis von Ahn
Gwap: Games with a Purpose
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Gwap: Games with a Purpose
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•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 Ahn
Duolingo
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Duolingo
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...A model emerges for singular big data challenges
Closed taxonomy
Novice contributors OK
Curated consumption view
Native Non native
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...Another model emerges for diverse content platforms
Open taxonomy most common
Multiple contributor models
Curated consumption view
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Discussion
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End
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