Add bi-18 query
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+PREFIX sn: <http://www.ldbc.eu/ldbc_socialnet/1.0/data/>
+PREFIX snvoc: <http://www.ldbc.eu/ldbc_socialnet/1.0/vocabulary/>
+PREFIX sntag: <http://www.ldbc.eu/ldbc_socialnet/1.0/tag/>
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX dbpedia: <http://dbpedia.org/resource/>
+PREFIX dbpedia-owl: <http://dbpedia.org/ontology/>
+
+SELECT ?messageCount (COUNT(?person) AS ?personCount)
+WHERE
+{
+ {
+ SELECT ?person (COUNT(?message) AS ?messageCount)
+ WHERE
+ {
+ BIND ("2010-08-15T11:50:56" AS ?date)
+ BIND (100 AS ?lengthTreshold)
+ VALUES (?language) {("tk") ("uy")}
+
+ {
+ ?message a snvoc:Comment .
+ ?message snvoc:replyOf+ ?post .
+ ?post a snvoc:Post .
+ ?post snvoc:language ?language .
+ } UNION {
+ ?message a snvoc:Post .
+ ?message snvoc:language ?language .
+ } .
+ ?message snvoc:content ?content .
+ FILTER(STRLEN(?content) > 0 && STRLEN(?content) < ?lengthTreshold)
+ ?message snvoc:hasCreator ?person .
+ ?person a snvoc:Person
+ }
+ GROUP BY ?person
+ }
+}
+GROUP BY ?messageCount
+ORDER BY DESC(?personCount) DESC(?messageCount)
