Data table via SPARQL

Percentage of wastewater treatment in regions of Europe (1990-) (Eurostat env_watq4)

Data table via SPARQL Published 02 Apr 2012 Last modified 18 Nov 2024

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(Live Query)

region	percentage	year	source

Received 0 rows in 0.000 seconds.

JSON Url:
https://eea.europa.eu./data-and-maps/daviz/sds/percentage-of-wastewater-treatment-in/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://semantic.eea.europa.eu/sparql

SPARQL Query:


        # Caution: The average is not weighted with population size in each country.

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX qb: <http://purl.org/linked-data/cube#>
PREFIX estat: <http://eurostat.linked-statistics.org/property#>
PREFIX sdmx-dimension: <http://purl.org/linked-data/sdmx/2009/dimension#>
PREFIX sdmx-measure: <http://purl.org/linked-data/sdmx/2009/measure#>
PREFIX geo: <http://eurostat.linked-statistics.org/dic/geo#>
PREFIX dataset: <http://eurostat.linked-statistics.org/data/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>

SELECT ?region AVG(xsd:int(?percentage)) AS ?percentage ?year ?source
FROM <http://eurostat.linked-statistics.org/data/env_watq4.rdf>
FROM <http://rdfdata.eionet.europa.eu/eurostatdic/eurostat-countrygroups.rdf>
FROM <http://rdfdata.eionet.europa.eu/eurostatdic/europeregions.rdf>
FROM <http://eurostat.linked-statistics.org/dic/geo.rdf>
FROM <http://eurostat.linked-statistics.org/dic/src.rdf>
WHERE {
  ?obsrec qb:dataSet dataset:env_watq4 ;
        sdmx-dimension:timePeriod ?year;
        sdmx-dimension:freq <http://purl.org/linked-data/sdmx/2009/code#freq-A>;
        estat:src ?usource;
        estat:unit <http://eurostat.linked-statistics.org/dic/unit#PC>;
        estat:geo ?ucountry;
        sdmx-measure:obsValue ?percentage.
 ?uregion skos:inScheme <http://rdfdata.eionet.europa.eu/eurostatdic/europeregions/>;
         skos:member ?ucountry;
         skos:prefLabel ?region.
 ?ucountry rdfs:label ?country.
 ?usource rdfs:label ?source.
 FILTER(?year >= "1990-01-01"^^xsd:date)
} GROUP BY ?region ?year ?source ORDER BY ?region ?year ?source

Error when running query:


            Error. Traceback (most recent call last):
  File "/plone/buildout-cache/eggs/Products.ZSPARQLMethod-2.3-py2.7.egg/Products/ZSPARQLMethod/Method.py", line 287, in run_with_timeout
    ret = func(*args, **kwargs)
  File "/plone/buildout-cache/eggs/Products.ZSPARQLMethod-2.3-py2.7.egg/Products/ZSPARQLMethod/Method.py", line 215, in query_and_get_result
    result = sparql.query(*args, timeout = kwargs.get("timeout", 0) or 0)
  File "/plone/buildout-cache/eggs/sparql_client-3.8-py2.7.egg/sparql.py", line 747, in query
    return s.query(query, timeout, raw=raw)
  File "/plone/buildout-cache/eggs/sparql_client-3.8-py2.7.egg/sparql.py", line 416, in query
    return q.query(query, timeout, raw=raw)
  File "/plone/buildout-cache/eggs/sparql_client-3.8-py2.7.egg/sparql.py", line 571, in query
    response = self._request(statement, timeout)
  File "/plone/buildout-cache/eggs/sparql_client-3.8-py2.7.egg/sparql.py", line 558, in _request
    response = self._build_response(query, opener, buf, timeout)
  File "/plone/buildout-cache/eggs/sparql_client-3.8-py2.7.egg/sparql.py", line 543, in _build_response
    timeout if timeout > 0 else None)
  File "/plone/buildout-cache/eggs/sparql_client-3.8-py2.7.egg/sparql.py", line 514, in _get_response
    response = opener.open(request, timeout=timeout)
  File "/usr/local/lib/python2.7/urllib2.py", line 429, in open
    response = self._open(req, data)
  File "/usr/local/lib/python2.7/urllib2.py", line 447, in _open
    '_open', req)
  File "/usr/local/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/usr/local/lib/python2.7/urllib2.py", line 1228, in http_open
    return self.do_open(httplib.HTTPConnection, req)
  File "/usr/local/lib/python2.7/urllib2.py", line 1198, in do_open
    raise URLError(err)
URLError: <urlopen error [Errno -2] No address found>