Streetspotr ETH Zürich
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Transcript of Streetspotr ETH Zürich
THE STORY - Business informatics
- App and web development �agency elennium GmbH
- Successful Apps together with �Holger and Doro (~2 Mio. Downloads)
- Streetspotr: 2011 as a bootstrap
CHEAT PREVENTION!
- Images, Images, Images
- GPS Checks
- Plausibility Checks
- Manual Quality Insurance
- Do Job Multiple Times („Crowdsourcing“)
EXIF
Customers
Market!Research!
Sales / Promo!Controlling!
Data collection /!verification!
Marketing/!Feedback!
FIRST STUDY*
*Bachelor thesis: “Location-based crowdsourcing”. Kristoffer Gottschalk, 2011
Results: - The more detailed, the better
- Jobs should be in a central place
- Money is not the biggest motivation
- Interaction with other persons is a clear obstruction
- Video jobs are not likely to be done
- Always use photo tasks to verify the work
- Demand comments
SECOND STUDY
Two parts: n=200 with StreetPoints requirement (early adopters) n=2000 without requirements
WOULD WE DO IT AGAIN?
- Collect own data in advance
- Restrict user registration a bit longer
- Have a perfect user evaluation concept from day one
- Take sales person into the team