query-c7716798640435b0ea32763fb7a2a859

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX geof: <http://www.opengis.net/def/function/geosparql/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?stationA ?stationALabel ?stationB ?stationBLabel ?slope ?altA ?altB ?coordA ?coordB ?diff ?dist
WHERE
{
    ?stationA wdt:P197 ?stationB .
    FILTER( STR( ?stationA ) < STR( ?stationB ) ) .
    ?stationA wdt:P2044 ?altA ; wdt:P625 ?coordA .
    ?stationB wdt:P2044 ?altB ; wdt:P625 ?coordB .
    BIND( geof:distance( ?coordA , ?coordB) AS ?dist ) .
    BIND( ABS(?altA - ?altB) AS ?diff ) .
    BIND( (?diff / ?dist) AS ?slope ) . 
    SERVICE wikibase:label { bd:serviceParam wikibase:language "fr,en" } .
} ORDER BY DESC(?slope)

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?altA"):::projected v6("?altB"):::projected v5("?coordA"):::projected v7("?coordB"):::projected v9("?diff"):::projected v8("?dist"):::projected v10("?slope"):::projected v2("?stationA"):::projected v3("?stationB"):::projected c5(["bd:serviceParam"]):::iri c7(["fr,en"]):::literal f0[["str(?stationA) < str(?stationB)"]] f0 --> v2 f0 --> v3 v2 --"wdt:P197"--> v3 v2 --"wdt:P2044"--> v4 v2 --"wdt:P625"--> v5 v3 --"wdt:P2044"--> v6 v3 --"wdt:P625"--> v7 bind1[/"http://www.opengis.net/def/function/geosparql/distance(?coordA,?coordB)"/] v5 --o bind1 v7 --o bind1 bind1 --as--o v8 bind2[/"numeric-abs(?altA - ?altB)"/] v4 --o bind2 v6 --o bind2 bind2 --as--o v9 bind3[/"?diff / ?dist"/] v9 --o bind3 v8 --o bind3 bind3 --as--o v10 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c5 --"wikibase:language"--> c7 end