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Alex Quinn www.cs.umd.edu/~aq [email protected] Crowdsourcing to Build Lists of Things
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Alex Quinn aq [email protected] Crowdsourcing to Build Lists of Things.

Mar 31, 2015

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Page 1: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.

Alex Quinnwww.cs.umd.edu/~aq

[email protected]

Crowdsourcing to Build Lists of Things

Page 2: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.

make a list of ….

Page 3: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.

Photo: Wikipedia

Page 4: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.
Page 5: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.
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Relay

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Ramen noodle shops in Kobe, Japan

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Ramen noodle shops in Kobe, Japan

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Professors researching online education

Page 18: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.

Professors researching online education

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Articles about food safety

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Articles about food safety

Page 21: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.

Cost

# of items cost per item hourly rate

Ramenentered 105 $0.15 / item

$6.95 / hourgood 69 $0.28 / item

Professorsentered 155 $0.20 / item

$6.91 / hourgood 131 $0.27 / item

Articlesentered 661 $0.20 / item

$13.93 / hourgood 420 $0.32 / item

Page 22: Alex Quinn aq aq@cs.umd.edu Crowdsourcing to Build Lists of Things.

Ideas

Design to facilitate clean, unique data items

For unbounded tasks, give workers just enough information about what the others are doing

Crowdsourcing lets you buy time with money

Crowd workers are workers; pay fairly