The document discusses OpenStreetMap (OSM) as a collaborative mapping platform where users can read and write to its XML API, creating detailed maps by contributing local knowledge and editing existing data. With around 170,000 registered users, OSM promotes an open-licensed model that allows for free use and redistribution of its data, distinguishing itself from traditional commercial maps. The author's experience within the OSM community highlights the platform's success and the ongoing efforts to maintain quality contributions and community engagement.

1. Harry Wood OpenStreetMap : The Wikipedia of Maps

3. Editors. Read/write to XML API

4. Nodes Ways Tags amenity=pub name=Hare & Hounds highway=residential name=Court Street

5. Versioned elements Fine granularity

6. Changes grouped. bbox history tab

7. Gathering Map Data Minor additions/corrections. Local knowledge

8. Create maps from scratch without copying

9. On the ground surveys GPS

10. Names of streets Types of streets (trunk, residential, motorway) One-way restrictions Footpaths, tracks, pedestrian, rivers, railways Parks, woodland, industrial areas, cemeteries POI (pubs, cash machines, post offices, post boxes, bus stops, toilets, supermarkets, restaurants, kebab shops, monuments, hotels, picnic sites, barriers, light houses, piers, sports centres, petrol stations, playgrounds, cinemas, car parks, universities, bicycle parking, tourist information, etc etc etc lot of detail.... lot of effort...

11. Community Lot of people 170,000 registered users

12. Community Increasing editing activity

13. Open Licensed Data Existing maps rarely “free”

14. Google/Yahoo/Bing maps mashups are great...

15. Underlying access to data

16. Right use and re-distribute (inc. commercial use)

17. Large online community. Many hands

18. Openly editable (and easy)

19. Poor quality contributions? Gradual refinement

20. Assume good faith

21. Monitoring and history features ....Remarkably it works! Sounds familiar? Also Open Licensed and not-for-profit

23. Melbourne

24. Moscow

25. Santiago

26. Cape Town

27. Chennai

28. Milan

29. Paris

30. Karlsruhe

31. Berlin (zoo)

32. Edinburgh

33. Cambridge

34. OpenCycleMap.org

35. Relief maps

36. OpenPisteMap.org

37. Hiking Map

38. Whitewater Map

39. Bus map

40. CloudMade.com Style Editor

56. Get Involved! openstreetmap.org

57. Harry Wood worked as an enterprise integration consultant for 8 years, but led a secret double-life as addicted contributer to wikipedia and other collaborative open content projects. He got involved in OpenStreetMap three years ago, as a mapper, wiki gardener, and developer. Since January this year (2009) he has worked for CloudMade, as a full time OpenStreetMap developer CloudMade is a company providing products and services around OpenStreetMap. More information at http://cloudmade.com These slides are (of course) freely re-usable under the Creative Commons Attribution-ShareAlike 2.0 License Map images taken from OpenStreetMap, CloudMade, OpenCycleMap, OpenPisteMap,OpenWhitewaterMap, HikingMap, More details of these projects and many more at wiki.openstreetmap.org Photo of photo mapping by Gordon Joly