graph_overview_simple.rq

# Count triples per graph
#
select (str(?tCount) as ?tripleCount) ?graphName
where {
  {
    # the default graph
    select (count(*) as ?tCount) 
    where {
      ?s ?p [] .
    }
  } union {
    # the named graphs
    select (count(*) as ?tCount) ?graphName
    where {
      graph ?graphName {
        ?s ?p [] .
      }
    }
    group by ?graphName
    order by ?graphName
  }
}