PREFIX schema:
PREFIX property:
PREFIX xsd:
SELECT DISTINCT ?station ?long ?lat (avg(?pm10) as ?avgpm10) WHERE {
?obs schema:PM10 ?pm10 .
?obs schema:station ?station .
?station property:longitudeDegree ?long .
?station property:latitudeDegree ?lat .
?station property:type "Traffic"^^xsd:string .
?obs schema:year ?year .
?year property:yearNum "2010"^^xsd:integer .
{ ?station schema:inCity ?city .
?city schema:locatedIn ?country .
} UNION {
?station schema:inCountry ?country .
}
?obs schema:sensor ?sensor .
?sensor property:statisticShortName "Mean"^^xsd:string .
?country property:isoCode ?isocode .
FILTER( ?isocode IN ("AT"^^xsd:string, "BE"^^xsd:string, "BG"^^xsd:string, "CH"^^xsd:string, "CY"^^xsd:string, "CZ"^^xsd:string, "DE"^^xsd:string, "DK"^^xsd:string, "EE"^^xsd:string, "ES"^^xsd:string, "FI"^^xsd:string, "FR"^^xsd:string, "GB"^^xsd:string, "GR"^^xsd:string, "HU"^^xsd:string, "IE"^^xsd:string, "IS"^^xsd:string, "IT"^^xsd:string, "LI"^^xsd:string, "LT"^^xsd:string, "LU"^^xsd:string, "LV"^^xsd:string, "MT"^^xsd:string, "NL"^^xsd:string, "NO"^^xsd:string, "PL"^^xsd:string, "PT"^^xsd:string, "RO"^^xsd:string, "SK"^^xsd:string, "SI"^^xsd:string, "SE"^^xsd:string, "TR"^^xsd:string) )
}