Data table via SPARQL

Number of AQ stations per country

Data table via SPARQL Published 02 Apr 2014 Last modified 19 Apr 2016

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country	count
"Austria"	"176"^^<http://www.w3.org/2001/XMLSchema#int>
"Belgium"	"178"^^<http://www.w3.org/2001/XMLSchema#int>
"Croatia"	"17"^^<http://www.w3.org/2001/XMLSchema#int>
"Cyprus"	"9"^^<http://www.w3.org/2001/XMLSchema#int>
"Czech Republic"	"209"^^<http://www.w3.org/2001/XMLSchema#int>
"Denmark"	"13"^^<http://www.w3.org/2001/XMLSchema#int>
"Estonia"	"10"^^<http://www.w3.org/2001/XMLSchema#int>
"Finland"	"71"^^<http://www.w3.org/2001/XMLSchema#int>
"France"	"1219"^^<http://www.w3.org/2001/XMLSchema#int>
"Germany"	"670"^^<http://www.w3.org/2001/XMLSchema#int>

Received 27 rows in 0.001 seconds.

JSON Url:
https://www.eea.europa.eu/data-and-maps/daviz/eionet/data/local-sparql-queries/number-of-aq-stations-per-country/daviz.json

For system integrators

Linked Data query (SPARQL)

The following info can be used by a system developer / database administrator in order to retrieve this dataset programmatically over the web using a SPARQL client.

Are you new to Linked Data technology? visit http://linkeddata.org

SPARQL Endpoint:
http://cr.eionet.europa.eu/sparql

SPARQL Query:


        PREFIX rod: <http://rod.eionet.europa.eu/schema.rdf#>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX a: <http://rdfdata.eionet.europa.eu/airquality/ontology/>
PREFIX aqr: <http://reference.eionet.europa.eu/aq/ontology/>

SELECT ?country COUNT(?stationURI) AS ?count
WHERE {
?stationURI a aqr:Station;
            dcterms:source ?source
 GRAPH ?sourcefile {
    ?source a a:AQD_Station
 }
 ?envelope rod:hasFile ?sourcefile;
           rod:locality ?loc .
 ?loc rdfs:label ?country
}
GROUP BY ?country 
ORDER BY ?country