Christian Fuerber wrote:
Hi,
while using vos6, I discovered that the virtuoso SPARQL endpoints do not
support the NOT EXISTS keyword
(http://www.w3.org/TR/2009/WD-sparql11-query-20091022/#negation) at present.
Is there any virtuoso specific function that acts like it?
Thanks,
Christian Fürber
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See example of !bif:exists at:
http://stackoverflow.com/questions/1615472/sparql-negation-all-foafagents-which-arent-foafpersons
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