You need to have a set of public data to start with. Any kind of Open Data, in any format: photo, PDFs, audio, tweets, ...
For instance, Urban Forest Map uses images from Google Maps and data about the trees submitted by citizens on their website.
SafeCity uses reports (web posts, SMS) submitted by woman who have experienced episodes of violence.
SafeCast collects data by citizens carrying around in the city the Open Hardware radiation detector.
(You can look at more examples here)
Then you need to know what you want to find out, and have clear and realistic goals.
For instance, Wheel Map wants to help accessibility for wheelchair users.
SeeClickFix's goal is to provide the best tools for residents and governments to communicate. They believe that changes that have a real impact on our daily lives occur at the neighborhood or city level.
Place Pulse researchers aim to understand way certain neighborhoods in cities are perceived better than others, and how this can be associated to violent crime, creativity and economic growth.
Now is time to submit your project! After selecting the most promising projects, we will provide online coaching and technical support.
In collaboration with the GovLab Academy, we will help you develop your project from idea to implementation with customized coaching.
The call is open now for the Goal 3 Challenge,