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I am looking at collecting spatial information from a range of stakeholders to identify opportunities within a landscape. However, the data that we are collecting are not presently mapped and so we wish to use an interactive method to get this information onto a map.

Which online websites/methods would people recommend for circulating to a non-technical audience to try and get them to map what they know?

Where the emphasis is on ease of use by the stakeholder.

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I think it would be useful to consider what might motivate the masses to participate.

While Greed and Fear are traditionally used to describe stock market behavior, I think it can be generalized to describe crowdsourcing. IMO a stockmarket is really a form of crowdsourcing - the crowd is used to determine the price of a share.

I've worked on crowdsourcing for a 911 emergency notification system. People fear not being notified in the event of a nearby emergency. I've never played it but I think greed might be the underlying motivation for participation in FourSquare.


  • http://wikimapia.org/ defines places in the simplest form (a box) and allows users to add information about the place. It has very widespread adoption (>1 million users) and is used by a none technical audience.
  • Wiki's. A lot of information in Wikipedia is linked to a particular geography through category's and special tags. It doesn't need to be a map to be spatial.
  • It is also possible via geoparsing to make a body of text spatial. Ask your users to provide information as text and then extract the spatial information.
  • Pen and Paper. Give stakeholders a map to print and ask them to mark up with a pen. Ask them to email a scan, or give a postal address.

You can try the Ushahidi approach

enter image description here

We built the Ushahidi platform as a tool to easily crowdsource information using multiple channels, including SMS, email, Twitter and the web.

People can submit reports by:

  • Going to the web page
  • Sending an SMS
  • Using the Android app

It was originally intended as a tool for monitoring election related violence and suspicious activities. It has since been used in Haiti and other disasters.

Here's an example of an Ushahidi deployment

enter image description here

You should be able to adapt it to your purposes. Ushahidi only deals with point data though. If you need to deal with lines and polygons, you're out of luck.


Another option would be Localwiki.

enter image description here

It's a tool for collaborating in local, geographic communities. It has integrated support for mapping. Your users can delineate an area or trace a line on the map and then write what they know about it on a wiki page.

Every feature of a local wiki involves a place: where news events happen, where sites are found, where neighborhood boundaries are, and how to get from point A to point B.

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