Hi Christian
Virtuoso does not support “NOT EXIST” but does have its own built in function:
FILTER (!bif:exists ((select (1) ...)))
See the following example on usage:
http://docs.openlinksw.com/virtuoso/rdfsparqlrule.html#rdfsparqlruleexamples6
LET is a Jena specific keyword
Hi Hugh,
thanks for your quick answer! So I assume that there is no possibility to
execute SPARQL 1.1 standard queries over virtuoso as of now.
IMO, it would be a huge benefit, if you implemented native support of SPARQL
1.1 standard syntax in virtuoso's SPARQL enpoint not just for me.
A recent
Hi Christian,
NOT EXISTS is supported already.
E.g., right now at lod.openlinksw.com/sparql
both
SELECT count(*) WHERE {?s ?p Novosibirsk filter not exists { ?s ?p
Новосибирск } }
and
SELECT count(*) WHERE { { ?s ?p Novosibirsk } minus { ?s ?p
Новосибирск } }
return 313,
both
SELECT count(*)