PREFIX xsd: PREFIX snvoc: PREFIX sn: PREFIX dbpedia-owl: PREFIX dbpedia: PREFIX foaf: PREFIX rdfs: select ?link (count (*) as ?shares) #Q14 where { { select distinct ?fr where { { sn:pers00000021990232560330 snvoc:knows ?fr.} union {sn:pers00000021990232560330 snvoc:knows ?fr2. ?fr2 snvoc:knows ?fr. filter (?fr != sn:pers00000021990232560330)} } } ?post snvoc:hasCreator ?fr . ?post snvoc:links ?link . ?post snvoc:creationDate ?datetime . filter (?datetime >= "2012-09-13T00:00:00.000+00:00"^^xsd:dateTime) . filter (!exists {?post snvoc:visible "false"^^xsd:boolean }). } group by ?link order by desc (?shares) ?link limit 20