Hi Alex,
The error you are getting probably comes from this that in your SPARQL query
you are using both pragmas output:valmode and output:format.
When both are used, then a conflict may occur.
The easier way to find out existence of property instances with subject a
given could be for ex.:
Hi,
I am getting the following error with virtuoso 6.1.5:
SQ074: Line 1: SP031: SPARQL:
Internal error: 'output:valmode' declaration conflicts with 'output:format'
trying to execute the query below:
sparql ask from
{ filter not exists{ wat:something ?o}}
I am trying to check the existence of p
