Transport.data.gov.uk
http://datahub.io/dataset/transport-data-gov-uk
Data.gov.uk is the Cabinet Office’s project to open up government data and make it available for reuse. At Ito we take a great interest in all things open (maps, data, you name it). In this project, we are trying to retrieve transport-related linked data from transport.data.gov.uk.
This linking open data cloud catalog sets are Linked Data and contain data links pointing at other Linked Data sets. The site provides a series SPARQL endpoints for queries, for example, station, airport, stop-area, etc. The LINKED transport-related linked data provided by data.gov.uk are listed as follows:
- Namespace for roads
- Namespace for stations
- Namespace for airports
- Road traffic statistics (SCOVO)
The data needs to connect different sites to obtain the corresponding information:
URI | Description |
http://transport.data.gov.uk/doc/station | lists UK railway stations |
http://transport.data.gov.uk/doc/airport | lists UK airports |
http://transport.data.gov.uk/doc/stop-point | lists NaPTAN stop points (eg. bus stops) |
http://transport.data.gov.uk/def/naptan/StopPoint/subclass | lists subclasses of NaPTAN stop point. |
http://transport.data.gov.uk/doc/stop-area | lists NaPTAN stop areas. Stop areas are groupings of adjacent NaPTAN stops |
http://transport.data.gov.uk/def/naptan/StopArea/subclass | lists subclasses of NaPTAN stop area. |
http://transport.data.gov.uk/doc/traffic-count-point | lists traffic count points |
http://transport.data.gov.uk/doc/traffic-count-point/8615/observation | list traffic count observations made athttp://transport.data.gov.uk/id/traffic-count-point/8615 |
Les différentes adresses du site (données en html, données RDF, sparql endpoint, etc.)
http://transport.data.gov.uk/sparql/transport/query.html
http://openuplabs.tso.co.uk/sparql/gov-transport
Requêtes SPARQL
- Select a stop on Scotland Road, Liverpool
PREFIX naptan: <http://transport.data.gov.uk/def/naptan/>
SELECT ?stop WHERE {
?stop a naptan:StopPoint;
naptan:town « LIVERPOOL »;
naptan:street « SCOTLAND ROAD » .
}
Result : $stop <http://transport.data.gov.uk/id/stop-point/2800S40063G>
- List of OnStreetStopPoints on Scotland Road
PREFIX naptan: <http://transport.data.gov.uk/def/naptan/>
SELECT distinct * WHERE {
?stop a naptan:OnStreetStopPoint;
naptan:street « Scotland Road »;
naptan:naptanCode ?code.
}
LIMIT 15
Result:
$stop $code <http://transport.data.gov.uk/id/stop-point/090033102441> "cumapapt"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/090033102481> "cumapdgp"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/2500LAA07400> "lanjpawj"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/090033102821> "cumapjpw"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/2500DCL5747> "landmpmj"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/090033102148> "cumamwjw"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/2500811> "landadma"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/090033101368> "cumampjp"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/090033102490> "cumapdjp"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/090033101932> "cumamtma"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/069000024330> "wrgmdmw"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/069000024320> "wrgmdpa"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/069000024340> "wrgmdmt"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/090074560826> "cumdawpm"^^<http://transport.data.gov.uk/def/naptan/NaptanCode> <http://transport.data.gov.uk/id/stop-point/0800COD41429> "coratwma"^^<http://transport.data.gov.uk/def/naptan/NaptanCode>
Authors:
Wei JIANG
Hongcheng LIU
Yabing JU
Sining QU