S210.A5 - Volkstelling - 1970

Sorry, the SPARQL server sent an error. (see details with parameter log=2)

Error #sparql :Error query  : PREFIX wd: <http://public-wikibase-statbel-wikibase/entity/>
PREFIX wdt: <http://public-wikibase-statbel-wikibase/prop/direct/>
SELECT ?DatasetLabel ?Deel ?TaalLabel ?JaarLabel ?NummerLabel ?GrootteLabel ?Link ?Opm
WHERE
{
     ?Dataset wdt:P1 wd:Q2624 .
     ?Dataset wdt:P299 wd:Q11896 .
     ?Dataset wdt:P303 ?Jaar .  
     ?Dataset wdt:P311 ?Nummer .
     ?Dataset wdt:P305 ?Dist .
     OPTIONAL {?Dist wdt:P348 ?Deel .}
     OPTIONAL {?Dataset wdt:P326 ?Opm .
              filter (langmatches(lang(?Opm), "nl")) .
              }
     OPTIONAL {?Dist wdt:P310 ?LinkNL . }
     BIND(STRLEN(str(?LinkNL)) as ?Iets) .
     BIND( SUBSTR(str( ?LinkNL), 1,?Iets-4 ) as ?IetsAnders) .
     
     BIND( CONCAT( "<a target=", '"', "_blank ",'"', "href=",'"',?IetsAnders,".pdf",'"',">Link</a>" ) as ?Samen) .
     BIND(IRI(REPLACE(?Samen, '^(. )$', ?Samen)) AS ?Link) .
     ?Dist wdt:P308 ?Code .
     ?Dist wdt:P307  ?Grootte .
     ?Dist wdt:P54  ?Taal .
     SERVICE wikibase:label { bd:serviceParam wikibase:language "nl". }
}
ORDER BY ASC(?JaarLabel) ASC(?Nummer) ASC(?Taal) ASC(?Deel)
Error endpoint: 
Error http_response_code: 0
Error message: Error (see log)
Error number: 3
Error message: 

Error data: Array
(
    [query] => PREFIX wd: <http://public-wikibase-statbel-wikibase/entity/>
PREFIX wdt: <http://public-wikibase-statbel-wikibase/prop/direct/>
SELECT ?DatasetLabel ?Deel ?TaalLabel ?JaarLabel ?NummerLabel ?GrootteLabel ?Link ?Opm
WHERE
{
     ?Dataset wdt:P1 wd:Q2624 .
     ?Dataset wdt:P299 wd:Q11896 .
     ?Dataset wdt:P303 ?Jaar .  
     ?Dataset wdt:P311 ?Nummer .
     ?Dataset wdt:P305 ?Dist .
     OPTIONAL {?Dist wdt:P348 ?Deel .}
     OPTIONAL {?Dataset wdt:P326 ?Opm .
              filter (langmatches(lang(?Opm), "nl")) .
              }
     OPTIONAL {?Dist wdt:P310 ?LinkNL . }
     BIND(STRLEN(str(?LinkNL)) as ?Iets) .
     BIND( SUBSTR(str( ?LinkNL), 1,?Iets-4 ) as ?IetsAnders) .
     
     BIND( CONCAT( "<a target=", '"', "_blank ",'"', "href=",'"',?IetsAnders,".pdf",'"',">Link</a>" ) as ?Samen) .
     BIND(IRI(REPLACE(?Samen, '^(. )$', ?Samen)) AS ?Link) .
     ?Dist wdt:P308 ?Code .
     ?Dist wdt:P307  ?Grootte .
     ?Dist wdt:P54  ?Taal .
     SERVICE wikibase:label { bd:serviceParam wikibase:language "nl". }
}
ORDER BY ASC(?JaarLabel) ASC(?Nummer) ASC(?Taal) ASC(?Deel)
    [output] => xml
    [Accept] => application/sparql-results+xml
)