I am trying to get list of all the authors who have had more than 3 piece of work - DBpedia Sparql

Question

I am trying to get list of all the authors who have had 3 or more piece of work done (in DBpedia).

my example can be run on : http://dbpedia.org/sparql

base co

Answer 1

Using HAVING is correct, but there is a limitation in SPARQL with indirectly referring to aggregates.

This one works:

SELECT (count(?work) as ?tw) ?author
WHERE
{
  ?work dbo:author ?author.
}
GROUP BY ?author
HAVING (count(?work) > 3)