SPARQL Filter not working -

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SPARQL Filter not working -

i'm running next sparql query on de.dbpedia

select distinct * { { ?name dcterms:subject category-de:haus_liechtenstein. ?name rdf:type foaf:person. optional {?name <http://de.dbpedia.org/ontology/deathdate> ?deathdate} minus {?name dbpedia-owl:deathdate ?d} } union{ service silent <http://dbpedia.org/sparql>{ ?name dcterms:subject category-en:princely_family_of_liechtenstein. ?name rdf:type foaf:person. optional {?name <http://dbpedia.org/ontology/deathdate> ?deathdate} } minus {?name dbpedia-owl:deathdate ?d} } }

for "de-results", minus-filter works fine, "en-results" i'm getting persons deathdate. can explain me why filter doesn't apply here?

thank , best regards fobi

look @ bracketting in query: minus in "right hand side" of union has service form, , minus, minus outside of service form:

union{ service silent <http://dbpedia.org/sparql>{ ?name dcterms:subject category-en:princely_family_of_liechtenstein. ?name rdf:type foaf:person. optional {?name <http://dbpedia.org/ontology/deathdate> ?deathdate} } minus {?name dbpedia-owl:deathdate ?d} }

that said, i'm not sure point of optionally binding death date with:

optional {?name <http://dbpedia.org/ontology/deathdate> ?deathdate}

is if you're going remove death date with:

minus {?name dbpedia-owl:deathdate ?d}

after all, dbpedia-owl: prefix defined http://dbpedia.org/ontology/.

sparql

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