Virtuoso RDFZZ Error DB.DBA.SPARQL_REXEC('http://semantic.eea.europa.eu/sparql', ...) returned Content-Type 'text/html' status 'HTTP/1.1 308 Permanent Redirect ' 308 Permanent Redirect 308 Permanent Redirect nginx SPARQL query: define sql:big-data-const 0 #output-format:text/html define sql:signal-void-variables 1 PREFIX pl: PREFIX rdf: PREFIX e: PREFIX t: PREFIX s: select DISTINCT ?EidosLegislationName ?EunisSp ?EunisLegalReferenceComment ?LegalReferenceAnnex STR(?LegalReferencePriority) as ?LegalReferencePriority where { { ?TaxonRecord pl:TaxonRecordID '11627'. ?TaxonRecord pl:CodeEUNIS ?CodEunisEidos. ?TaxonRecord pl:hasLegislation ?EidosLegislation. ?EidosLegislation pl:LegislationName ?EidosLegislationName.} UNION { ?TaxonRecord pl:TaxonRecordID '11627'. ?TaxonRecord pl:CodeEUNIS ?CodEunisEidos. bind(xsd:int(?CodEunisEidos) as ?CodEunis). SERVICE { SELECT * WHERE { ?EunisSp e:speciesCode ?CodEunis . OPTIONAL{?EunisSp e:hasLegalReference ?LegalReference. OPTIONAL{?LegalReference s:comment ?EunisLegalReferenceComment}. OPTIONAL{?LegalReference s:annex ?LegalReferenceAnnex}. OPTIONAL{?LegalReference s:priority ?LegalReferencePriority}}}}}}