Hi Everyone,

Does anyone know why the SPARQL-FED query at:
http://tinyurl.com/ycc2tkp3, is failing?

Query Text:

PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX schema: <http://schema.org/>
PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX psn: <http://www.wikidata.org/prop/statement/value-normalized/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX dct: <http://purl.org/dc/terms/>


SELECT ?item ?dbpediaID  ?label ?subjectName ?prominence ?image
WHERE
{
     {
        SELECT ?item ?itemLabel ?coord ?prominence ?layer ?image
        WHERE {
                  ?item wdt:P31 wd:Q8502. # a mountain
                  ?item wdt:P625 ?coord.
                  ?item wdt:P17 wd:Q39. # in Switzerland
                  ?item wdt:P2660 ?prominence .
                  BIND(
                    IF(?prominence < 1000, "<1000 metres",
                    IF(?prominence < 2000, "1000 - 2000 metres",
                    IF(?prominence < 3000, "2000 - 3000 metres",
                    IF(?prominence < 4000, "3000 - 4000 metres",
                    "> 4000 metres"))))
                    AS ?layer).
                  OPTIONAL {?item wdt:P18 ?image.}
                  SERVICE wikibase:label { bd:serviceParam
wikibase:language "[AUTO_LANGUAGE],en". }
            }
           
        LIMIT 200 }
   
   
    SERVICE <http://dbpedia.org/sparql>
         {
            SELECT DISTINCT ?dbpediaID ?name ?label ?subjectName
            WHERE {
                    ?dbpediaID owl:sameAs ?item ;
                    rdfs:label ?label ;
                    dct:subject ?subject.
                    FILTER (LANG(?label) = "en")
                   
                    ?subject rdfs:label ?subjectName .
                   
                  }

          }     

}
   

-- 
Regards,

Kingsley Idehen       
Founder & CEO 
OpenLink Software   (Home Page: http://www.openlinksw.com)

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