PREFIX era:
PREFIX dc:
PREFIX xsd:
SELECT DISTINCT ?id ?inCountry ?totalLengthKm {
GRAPH {
{SELECT DISTINCT ?inCountry (round(xsd:decimal(SUM(?length)/1000)) AS ?totalLengthKm)
WHERE {
?element a ?y . # currently includes sections of line and tunnels
?element era:length ?length .
?element era:inCountry ?inCountry.
}}
SERVICE {
?inCountry dc:identifier ?id}
}
}