CrowdBrain.io

A Decision Support System

wisdom by people, structure by machines

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Isolate the best ideas and cut through the noise

Build open knowledge bases where everyone has a voice. Then, pitch the ideas to crowds and just choose among the winners.

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Leverage the crowd

The best answers can come from anyone: Customers, thinkers & tinkerers of all kind.

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Evaluate ideas

Use wisdom of the crowd for assessing and rating the ideas.

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Get decision support

Use natural language or intuitive input elements to adjust query parameters.

Case Studies & publications


In addition to our in-house experiments, we're conducting larger scale case studies available to anyone:

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Fighting Racism

Stop Rasismi (stop racism) project explores reasons and cures for everyday racism in Finland.

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Alleviating low back pain

Kipuriihi (pain workshop) project explores cures and ailments to low back pain.

Scientific publications

The concept has been explored in the following publications:

Hosio S, Goncalves J, Anagnostopoulos T & Kostakos V (2016)
Leveraging Wisdom of the Crowd for Decision Support
British Human Computer Interaction Conference (HCI)

Goncalves J, Hosio S, Kostakos V (2017)
Eliciting Structured Knowledge from Situated Crowd Markets
ACM Transactions on Internet Technology

Hosio S, Goncalves J, van Berkel N & Klakegg S (2016)
Crowdsourcing Situated & Subjective Knowledge for Decision Support
UbiComp, in a workshop on crowdsourcing

Media mentions

The work has been discussed in the following outlets:

Kaleva – (01/2016): Oulun yliopisto kitkee rasismia joukkoälyllä (University of Oulu fights racism using wisdom of the crowd)

Forum (01/2016): Crowdsourcing mot nättroll (Against Internet trolls using Crowdsourcing)

Kaleva (03/2016) – Joukkoälyllä kivun kimppuun (Tackling pain using wisdom of the crowd)

Test drive crowdBrain

Try one of our available knowledge bases here.

Or use our wizard to create your own knowledge base!


Get in Touch


We'd love to hear from you!

Simo Hosio / simo.hosio@oulu.fi / Tel. +358 50 343 7515
Center for Ubiquitous Computing
University of Oulu, Finland

We're open for both academic and commercial collaboration.