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Ordnance Survey

Dataset Ordnance Survey
Licence Open Government License for Public Sector Information
Published 7th March 2011
Updated 23rd November 2010
Resources 2018489

Ordnance Survey

Open Government License for Public Sector Information
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Default APIs

SPARQL Endpoint

Use the SPARQL 1.0 query language to perform structured queries against a dataset. Useful for performing precise queries against a dataset whose structure you understand.

Sample queries

Unitary Authority List Query
John Goodwin
07th Sep 2011

The following query will return all of the unitary authorities and their names.

Query: 
select ?a ?name where { ?a a <http://data.ordnancesurvey.co.uk/ontology/admingeo/UnitaryAuthority> . ?a <http://www.w3.org/2004/02/skos/core#prefLabel> ?name .}
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Counties and their names
John Goodwin
11th Aug 2011

Find me a list of all the administrative counties and their names.

Query: 
select ?a ?name where { ?a a <http://data.ordnancesurvey.co.uk/ontology/admingeo/County> . ?a <http://www.w3.org/2004/02/skos/core#prefLabel> ?name .}
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postcode
Landong Zuo
22nd Feb 2012

postcode

Query: 
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT * WHERE { ?s <http://data.ordnancesurvey.co.uk/ontology/postcode/postcode> ?o } LIMIT 10
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Search API

Perform a free-text search against the text fields indexed in a dataset. Useful when you want to quickly query a dataset but don't know, or need to know its structure.

Lookup API

Retrieve a description of a single resource. Useful for fetching the key properties and relationships of a single entity.

Reconciliation API

Useful for resolving names, labels or codes against a dataset in Kasabi to find links to more data. This API is compatible with the Google Refine tool.

Augmentation API

Pass an RSS 1.0 feed through a dataset, automatically enriching the feed with descriptions of any relevant data sources. Useful for “fishing” data out of datasets without writing queries.

How to Attribute This Dataset

Kasabi provides a quick and easy way to attribute a dataset from any webpage. We think attribution is an important community norm.

To directly embed an attribution message in a webpage, add a script tag that invokes our Attribution API as follows

<script
     type="text/javascript"
     src="http://api.kasabi.com/dataset/ordnance-survey-linked-data/attribution">
</script>

If you need more flexible options, then read the Attribution API documentation

Contributed APIs
Administrative Regions Linked Data API
John Goodwin
25th Jul 2011

Shape a completely custom RESTful API against a dataset. Allows users to create completely custom APIs that are tailored for their own uses. Offers a standard XML and JSON output.

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GeographyGovernment
Boundary Geometry SPARQL Stored Procedure
John Goodwin
25th Jul 2011

Bind a SPARQL 1.0 query to a parameterised URL to create a simple way to request results of a query. Custom formats can be added by applying XSLT stylesheets. Useful for creating custom APIs against datasets.

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GeographyGovernment
Counties and their names SPARQL Stored Procedure
John Goodwin
25th Jul 2011

Bind a SPARQL 1.0 query to a parameterised URL to create a simple way to request results of a query. Custom formats can be added by applying XSLT stylesheets. Useful for creating custom APIs against datasets.

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GeographyGovernment
Ordnance Survey Postcode By Region SPARQL Stored Procedure
John Goodwin
26th Aug 2011

Select postcode by district (where district is any of unitary authority, district, metropolitan district, London Borough) or ward.

Example API call:

http://api.kasabi.com/api/ordnance-survey-postcode-region?district=7000000000037256&apikey=yourkey

Postcode as KML:

 

http://api.kasabi.com/api/ordnance-survey-postcode-region?district=7000000000037256&apikey=yourkey&output=kml

Remember default limit is set so add a &limit=100 (or whatever) on the end to get more...

 

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GeographyGovernment
Ordnance Survey SPARQL Spatial Slice SPARQL Stored Procedure
John Goodwin
25th Jul 2011

An API like http://beta.kasabi.com/api/ordnance-survey-spatial-slice but returning SPARQL XML/JSON.

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GeographyGovernment
Ordnance Survey SPARQL Stored Region Type SPARQL Stored Procedure
John Goodwin
25th Jul 2011

A stored SPARQL query similar to http://beta.kasabi.com/api/ordnance-survey-get-region-type but this time SPARQL JSON or XML are returned.

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GeographyGovernment
Ordnance Survey Spatial Slice SPARQL Stored Procedure
John Goodwin
25th Jul 2011

This API allows a user to perform spatial queries using a simple API. This API returns an RDF document containing the results.

Example calls:

http://api.kasabi.com/api/ordnance-survey-spatial-slice?id=7000000000037256&spatialrelation=touches&apikey=yourkey

http://api.kasabi.com/api/ordnance-survey-spatial-slice?id=7000000000037256&spatialrelation=touches&type=District&apikey=yourkey

http://api.kasabi.com/api/ordnance-survey-spatial-slice?id=7000000000037256&spatialrelation=contains&apikey=yourkey

http://api.kasabi.com/api/ordnance-survey-spatial-slice?id=7000000000037256&spatialrelation=contains&type=UnitaryAuthorityWard&apikey=yourkey

Remember the default limit is 10 results so you may need to add an &limit=50 (or however many) to get a full set.

 

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GeographyGovernment
Ordnance Survey Spatial SPARQL Stored Procedure SPARQL Stored Procedure
John Goodwin
25th Jul 2011

Similar to http://beta.kasabi.com/api/ordnance-survey-spatial-slice but SPARQL JSON/XML is returned.

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GeographyGovernment
Ordnance Survey: Get regions by type SPARQL Stored Procedure
John Goodwin
25th Jul 2011

A stored SPARQL query that returns an RDF document of regions and their names according to type specified in the API. An example API call would be:

http://api.kasabi.com/api/ordnance-survey-get-region-type?type=County&apikey=yourkey

Note that Kasabi automatically applies a limit of 10 answer so in many cases you'll need to change that in the API called to get a full list e.g:

http://api.kasabi.com/api/ordnance-survey-get-region-type?type=County&apikey=yourkey&limit=100

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GeographyGovernment
Postcode easting northing SPARQL Stored Procedure
John Goodwin
25th Jul 2011

Bind a SPARQL 1.0 query to a parameterised URL to create a simple way to request results of a query. Custom formats can be added by applying XSLT stylesheets. Useful for creating custom APIs against datasets.

View configuration, subscription and access details

GeographyGovernment