Download pdf - Practical crowdsourcing

Transcript

Aaron Davis, 29 April 2010

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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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Motivated Communities

Collaborative Translation Platform

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