practical crowdsourcing
Post on 06-Aug-2015
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• Outsourcing
– Traditional
• Contracting to a third-party
– Crowdsourcing
• The act of outsourcing tasks traditionally performed by an employee or contractor to a large group of people or community (a crowd) via an open call
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Traditional Outsourcing
• Administrative Costs
• Fixed Deadlines
• Top-down Assignment
• Monetary Incentives
Crowdsourcing
• Crowd Management Costs
• No Guaranteed Deadlines
• Self-Organization
• Varied Incentives– Money
– Reputation
– Conviction
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• Open vs Closed
• Funded vs Volunteer
• Reputation Ranking
• Tiered Access Roles
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• Amazon Mechanical Turk– Finding Steve Fossett
– Captcha Breaking
• Crowdflower– Haiti Emergency Assistance Text Translation
• Google Image Labeler
• KIVA
• uTest
• Family Search Indexing
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