Hello,

The GUI of my SPARQL endpoint has a default query:

select distinct ?Concept where {[] a ?Concept} LIMIT 100

It is a useful query, but unfortunately it times out in my case. When I lower the LIMIT number I do get a response. So there are two things I would like to ask:

1. Is it possible to speed up the query, for example by having an extra
   index (for rdf:type)?
2. Is it possible to change the default query somewhere?


Thanks in advance,
Frans


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Frans Knibbe
Geodan
President Kennedylaan 1
1079 MB Amsterdam (NL)

T +31 (0)20 - 5711 347
E frans.kni...@geodan.nl
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