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OpenStreetMap as base layer in a
linked open data distribution platform
CitySDK - Open Data & City Services

Bert Spaan
be...
Waag Society

Monday, October 21, 13
CitySDK
• City Services
• Moveable code
• One interface for 8 European cities
• More and better open data
• Tourism, parti...
Monday, October 21, 13
Data examples

Monday, October 21, 13
Data examples

Monday, October 21, 13
Data examples

Monday, October 21, 13
Open Data
• Good news: lots of open data available
• Bad news:

• Incomplete data
• Old data
• Datasets not linked

Monday...
Open Data

Tim Berners-Lee:
★
★★
★★★
★★★★
★★★★★
Monday, October 21, 13

Data online, open license
Structured data
Non-prop...
Open Data

Current situation:
★
★★
★★★
★★★★
★★★★★
Monday, October 21, 13

Data online, open license
Structured data
Non-pr...
Monday, October 21, 13
DBpedia

Monday, October 21, 13
Dutch Railways

Monday, October 21, 13
Gemeentelijk Vervoersbedrijf

Monday, October 21, 13
Foursquare

Monday, October 21, 13
Weather information

Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
2. P
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3. S

Monday, October 21, 13

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2. P
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Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Cit
yS
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Monday, October 21, 13

KA
PI
Unified REST API
• Data from different data sources
• REST API - per-object access
• Read+write
• JSON
• Turtle - semantic ...
Monday, October 21, 13
Linked Open Data

Monday, October 21, 13
API demonstration

Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Linking datasets
• “Museum of Science and Industry” = “MOSI”
• “Manchester” ≠ “Greater Manchester”
• “Wales” = “Cymru”
• N...
Monday, October 21, 13
Monday, October 21, 13
Data owners
• CMS
• Easy to add and
update data
• Static & realtime

Monday, October 21, 13
Data owners

Monday, October 21, 13
Data owners

Monday, October 21, 13
Data owners

Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Federated servers

Manchester API
Amsterdam API

Discovery service

Istanbul API

Lisbon API
Monday, October 21, 13
Istanbul

Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Monday, October 21, 13
Summary
• Data
• OpenStreetMap
• Public transport - GTFS
• Addresses & buildings
• Open311
• Parking garages
• Electrical ...
Summary
• API
• Nodes, layers & key-value data
• REST API
• JSON & Turtle/RDF
• Static & real-time data
• CMS for data imp...
Thanks!

Bert Spaan
bert@waag.org
http://dev.citysdk.waag.org/
Monday, October 21, 13
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OpenStreetMap as base layer in a linked open data distribution platform - Bert Spaan, CitySDK - State of the Map 2013

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The CitySDK Mobility API is a layer-based data distribution and service kit, which makes European mobility data and services interoperable. The API is part of CitySDK, a project funded by the European Union in which eight cities and more than 20 organisations collaborate.

The CitySDK Mobility API makes it possible for developers and data owners to access and modify mobility data (e.g. public transport schedules, real-time traffic data, planned roadwork and parking space availability) through a uniform interface, in Amsterdam, Manchester, Helsinki and Rome alike. The API links different datasets from different data sources to addressable objects in a city, such as train stations, bus stops, roads and neighbourhoods.

Many of those objects exist in the OpenStreetMap database; the CitySDK Mobility API uses OSM as a geospatial base layer to which it links data from other datasets. For example: GTFS schedules, Open311 service requests and real-time weather information can all be linked to a OSM node with the ""highway=bus_stop"" tag, making it very easy for data owners, city officials and developers to find and access data about the same object across different data sets.

Developer's portal: http://dev.citysdk.waag.org/
API endpoint: http://api.citysdk.waag.org/

Publicado en: Educación, Tecnología
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OpenStreetMap as base layer in a linked open data distribution platform - Bert Spaan, CitySDK - State of the Map 2013

  1. 1. OpenStreetMap as base layer in a linked open data distribution platform CitySDK - Open Data & City Services Bert Spaan bert@waag.org http://dev.citysdk.waag.org/ Monday, October 21, 13
  2. 2. Waag Society Monday, October 21, 13
  3. 3. CitySDK • City Services • Moveable code • One interface for 8 European cities • More and better open data • Tourism, participation & mobility Monday, October 21, 13
  4. 4. Monday, October 21, 13
  5. 5. Data examples Monday, October 21, 13
  6. 6. Data examples Monday, October 21, 13
  7. 7. Data examples Monday, October 21, 13
  8. 8. Open Data • Good news: lots of open data available • Bad news: • Incomplete data • Old data • Datasets not linked Monday, October 21, 13
  9. 9. Open Data Tim Berners-Lee: ★ ★★ ★★★ ★★★★ ★★★★★ Monday, October 21, 13 Data online, open license Structured data Non-proprietary format Use URIs to identify data Link data to other data
  10. 10. Open Data Current situation: ★ ★★ ★★★ ★★★★ ★★★★★ Monday, October 21, 13 Data online, open license Structured data Non-proprietary format Use URIs to identify data Link data to other data
  11. 11. Monday, October 21, 13
  12. 12. DBpedia Monday, October 21, 13
  13. 13. Dutch Railways Monday, October 21, 13
  14. 14. Gemeentelijk Vervoersbedrijf Monday, October 21, 13
  15. 15. Foursquare Monday, October 21, 13
  16. 16. Weather information Monday, October 21, 13
  17. 17. Monday, October 21, 13
  18. 18. Monday, October 21, 13
  19. 19. 2. P ub 3. S Monday, October 21, 13 lic er v Tra n ice sp Re or t qu est s
  20. 20. 2. P ub lic Tra 3. S nsp er v or t ice Re qu est s Monday, October 21, 13
  21. 21. Monday, October 21, 13
  22. 22. Monday, October 21, 13
  23. 23. Monday, October 21, 13
  24. 24. Cit yS D Monday, October 21, 13 KA PI
  25. 25. Unified REST API • Data from different data sources • REST API - per-object access • Read+write • JSON • Turtle - semantic web Monday, October 21, 13
  26. 26. Monday, October 21, 13
  27. 27. Linked Open Data Monday, October 21, 13
  28. 28. API demonstration Monday, October 21, 13
  29. 29. Monday, October 21, 13
  30. 30. Monday, October 21, 13
  31. 31. Linking datasets • “Museum of Science and Industry” = “MOSI” • “Manchester” ≠ “Greater Manchester” • “Wales” = “Cymru” • Name? Location? Monday, October 21, 13
  32. 32. Monday, October 21, 13
  33. 33. Monday, October 21, 13
  34. 34. Data owners • CMS • Easy to add and update data • Static & realtime Monday, October 21, 13
  35. 35. Data owners Monday, October 21, 13
  36. 36. Data owners Monday, October 21, 13
  37. 37. Data owners Monday, October 21, 13
  38. 38. Monday, October 21, 13
  39. 39. Monday, October 21, 13
  40. 40. Federated servers Manchester API Amsterdam API Discovery service Istanbul API Lisbon API Monday, October 21, 13
  41. 41. Istanbul Monday, October 21, 13
  42. 42. Monday, October 21, 13
  43. 43. Monday, October 21, 13
  44. 44. Monday, October 21, 13
  45. 45. Monday, October 21, 13
  46. 46. Monday, October 21, 13
  47. 47. Monday, October 21, 13
  48. 48. Monday, October 21, 13
  49. 49. Summary • Data • OpenStreetMap • Public transport - GTFS • Addresses & buildings • Open311 • Parking garages • Electrical vehicle charging points • POIs & cultural events Monday, October 21, 13
  50. 50. Summary • API • Nodes, layers & key-value data • REST API • JSON & Turtle/RDF • Static & real-time data • CMS for data import • Instances • Amsterdam, Istanbul, Lamia Monday, October 21, 13
  51. 51. Thanks! Bert Spaan bert@waag.org http://dev.citysdk.waag.org/ Monday, October 21, 13

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