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How I built a location-based
     social app using
   OpenStreetMap data
         John McKerrell
What is MapMe.At
Social Location
Experimentation Platform
History

Started in 2007
Allowed you to label
favourite places
Few interesting methods
built in for tracking your
location including DNS
Third party services


GeoRSS
One user’s perspective
User experimentation
Developer experimentation
Mersey Ferries in Liverpool
Looks up location on
shipais.com and inserts it
into mapme.at
http://mapme.at/where/snowdrop
http://mapme.at/where/royaliris
http://mapme.at/where/royaldaffodil
.. can lead to interesting apps ..
.. and interesting ideas inspire



http://www.flickr.com/photos/mcknut/3585011720/
Social Location
Experimentation Platform
Why OpenStreetMap?
Why OpenStreetMap?
Why OpenStreetMap?

I’m a fan
Why OpenStreetMap?

I’m a fan
Huge existing dataset
Why OpenStreetMap?

I’m a fan
Huge existing dataset
Constantly evolving
Why OpenStreetMap?

I’m a fan
Huge existing dataset
Constantly evolving
Read/Write API
Why OpenStreetMap?

I’m a fan
Huge existing dataset
Constantly evolving
Read/Write API
Good license
How is OSM data used?

Maps - screenshot ideally pre-cloudmade
(Couldn’t find one)
(Demonstrates that OSM has always been a feature on OSM
even when we had a commercial mapping provider’s API)
How is OSM data used?


Maps - new screenshot showing cloudmade
Foursquare (Gowalla, Brightkite)
Foursquare (Gowalla, Brightkite)

Allows you to “check in” to places.
Foursquare (Gowalla, Brightkite)

Allows you to “check in” to places.
Have a existing database of places visible to everyone
Foursquare (Gowalla, Brightkite)

Allows you to “check in” to places.
Have a existing database of places visible to everyone
If a place doesn’t exist, you can create it
Foursquare (Gowalla, Brightkite)

Allows you to “check in” to places.
Have a existing database of places visible to everyone
If a place doesn’t exist, you can create it
Foursquare gives “Mayorship” to the person who visits a
place most often, also “Badges” to encourage activity
mapme.at places
mapme.at places
Launched in January
mapme.at places
Launched in January
Existing places show on a
map on your homepage
mapme.at places
Launched in January
Existing places show on a
map on your homepage
“map yourself” at a place
mapme.at places
Launched in January
Existing places show on a
map on your homepage
“map yourself” at a place
Also available from mobile:
http://mapme.at/me/mobile
How does it work?
How does it work?
Cloudmade reverse
geocoder returns POIs
How does it work?
Cloudmade reverse
geocoder returns POIs
Store entries in mapme.at
DB with the OSM ID
How does it work?
Cloudmade reverse
geocoder returns POIs
Store entries in mapme.at
DB with the OSM ID
Users can mark places as
favourites with optional
short label
How does it work?
How does it work?
Non-existent place? User
can still create an entry
How does it work?
Non-existent place? User
can still create an entry
Places can be private or can
be shared with others
How does it work?
Non-existent place? User
can still create an entry
Places can be private or can
be shared with others
If user shares a place with
everyone, they give us
permission to add it to OSM
Third party services
Third party services
Lots of sites have their own database with their own IDs
Third party services
Lots of sites have their own database with their own IDs
mapme.at currently tries to match Foursquare venues onto
OSM IDs using the venue name
Third party services
Lots of sites have their own database with their own IDs
mapme.at currently tries to match Foursquare venues onto
OSM IDs using the venue name
Releasing a tool soon to allow manual matching
Third party services
Lots of sites have their own database with their own IDs
mapme.at currently tries to match Foursquare venues onto
OSM IDs using the venue name
Releasing a tool soon to allow manual matching
Resulting Foursquare to OSM ID mapping will be released
Third party services
Lots of sites have their own database with their own IDs
mapme.at currently tries to match Foursquare venues onto
OSM IDs using the venue name
Releasing a tool soon to allow manual matching
Resulting Foursquare to OSM ID mapping will be released
More services coming soon too
How does this help OSM?
How does this help OSM?

New data from user submissions to fill gaps
How does this help OSM?

New data from user submissions to fill gaps
New mapping data linking OpenStreetMap
to external services
How does this help OSM?

New data from user submissions to fill gaps
New mapping data linking OpenStreetMap
to external services
More users coming to OpenStreetMap from mapme.at
Why bother mapping
     yourself?
http://vimeo.com/10636282
http://vimeo.com/10636333
Thankyou
   http://mapme.at/
http://blog.mapme.at/

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How I built a location-based social app

Editor's Notes

  1. mapme.at works with various other location sources, including the new Twitter geo features, and basically any service that works with Fireeagle or can output GeoRSS.
  2. Have always had OSM maps available on the site, from the beginning they’ve often been the best maps of the places I’ve go to.
  3. Switched to cloudmade maps API partly because they were offering a great product including the Style Editor but also because we liked the idea that by forcing the user to use OSM on the site any location added to the map could be added to OSM later. We’ll come back to this soon.