Efficiency of autoproducers conventional thermal power production

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ugeo delta first_year last_year
"Moldova" "76.0"^^<http://www.w3.org/2001/XMLSchema#double> "0.0"^^<http://www.w3.org/2001/XMLSchema#double> "76.1"^^<http://www.w3.org/2001/XMLSchema#double>
"Belgium" "54.0"^^<http://www.w3.org/2001/XMLSchema#double> "66.4"^^<http://www.w3.org/2001/XMLSchema#double> "119.5"^^<http://www.w3.org/2001/XMLSchema#double>
"Malta" "54.0"^^<http://www.w3.org/2001/XMLSchema#double> "0.0"^^<http://www.w3.org/2001/XMLSchema#double> "53.8"^^<http://www.w3.org/2001/XMLSchema#double>
"Ukraine" "40.0"^^<http://www.w3.org/2001/XMLSchema#double> "50.2"^^<http://www.w3.org/2001/XMLSchema#double> "90.3"^^<http://www.w3.org/2001/XMLSchema#double>
"Cyprus" "21.0"^^<http://www.w3.org/2001/XMLSchema#double> "42.1"^^<http://www.w3.org/2001/XMLSchema#double> "62.5"^^<http://www.w3.org/2001/XMLSchema#double>
"Bosnia and Herzegovina" "18.0"^^<http://www.w3.org/2001/XMLSchema#double> "0.0"^^<http://www.w3.org/2001/XMLSchema#double> "17.9"^^<http://www.w3.org/2001/XMLSchema#double>
"Bulgaria" "18.0"^^<http://www.w3.org/2001/XMLSchema#double> "40.2"^^<http://www.w3.org/2001/XMLSchema#double> "57.5"^^<http://www.w3.org/2001/XMLSchema#double>
"Ireland" "12.0"^^<http://www.w3.org/2001/XMLSchema#double> "52.2"^^<http://www.w3.org/2001/XMLSchema#double> "63.6"^^<http://www.w3.org/2001/XMLSchema#double>
"Denmark" "9.0"^^<http://www.w3.org/2001/XMLSchema#double> "71.1"^^<http://www.w3.org/2001/XMLSchema#double> "80.0"^^<http://www.w3.org/2001/XMLSchema#double>
"Slovenia" "9.0"^^<http://www.w3.org/2001/XMLSchema#double> "61.0"^^<http://www.w3.org/2001/XMLSchema#double> "69.9"^^<http://www.w3.org/2001/XMLSchema#double>

Received 37 rows in 0.002 seconds.


https://www.eea.europa.eu/data-and-maps/daviz/sds/efficiency-of-autoproducers-conventional-thermal-12/daviz.json

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http://semantic.eea.europa.eu/sparql

PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX sdmx-measure: <http://purl.org/linked-data/sdmx/2009/measure#> 
PREFIX sdmx-dimension: <http://purl.org/linked-data/sdmx/2009/dimension#> 
PREFIX property: <http://rdfdata.eionet.europa.eu/eurostat/property#> 
PREFIX indic_nrg: <http://dd.eionet.europa.eu/vocabulary/eurostat/indic_nrg/>
PREFIX unit: <http://dd.eionet.europa.eu/vocabulary/eurostat/unit/>
PREFIX geo: <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/>
PREFIX product: <http://dd.eionet.europa.eu/vocabulary/eurostat/product/>
PREFIX sdmx-attribute: <http://purl.org/linked-data/sdmx/2009/attribute#> 

SELECT
bif:either (?ugeo = 'DE', 'Germany', ?country) as ?ugeo

(xsd:double(sum(?last_year))-xsd:double(sum(?first_year))) as ?delta
sum(xsd:double(?first_year)) as ?first_year
sum(xsd:double(?last_year)) as ?last_year
{{
SELECT
?country
?ugeo
bif:either(?year = 2005, sum(?efficiency_rate),0) AS ?first_year
bif:either(?year = 2016, sum(?efficiency_rate),0) AS ?last_year
{{
SELECT DISTINCT
    ?country
    ?ugeo
    year(?date) as ?year
    #sum(?nrg_110a_6000_5200)
    #sum(?nrg_110a_0000)
    round(( ( sum(?nrg_110a_6000_5200) ) / ( sum(?nrg_110a_0000) ) )*1000)/10.0 as ?efficiency_rate
  WHERE {{
    GRAPH <http://rdfdata.eionet.europa.eu/eurostat/data/nrg_110a.rdf.gz> { 
    {    
    _:nrg_110a sdmx-dimension:timePeriod ?date .
    _:nrg_110a sdmx-dimension:refArea ?geo  . 
    _:nrg_110a sdmx-attribute:unitMeasure unit:KTOE .
    
    {
      _:nrg_110a property:product ?product . FILTER (?product in (product:6000, product:5200 ))
      _:nrg_110a property:indic_nrg indic_nrg:B_101122 . 
      _:nrg_110a sdmx-measure:obsValue ?nrg_110a_6000_5200 .
    } UNION {
      _:nrg_110a property:product product:0000 .
      _:nrg_110a property:indic_nrg indic_nrg:B_101022 . 
     _:nrg_110a sdmx-measure:obsValue ?nrg_110a_0000 .
    }
 }} ?geo skos:notation ?ugeo .
    ?geo skos:prefLabel ?country .
}}
GROUP BY ?country ?date ?ugeo
HAVING sum(?nrg_110a_0000) > 0
}}
}} 
ORDER BY desc(?delta) ?country ?date


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