@prefix pwdr: . @prefix ns1: . @prefix ns2: . ns1:List_of_riots_in_Sri_Lanka pwdr:describedby ns2:List_of_riots_in_Sri_Lanka . @prefix foaf: . @prefix dbpedia: . ns1:List_of_riots_in_Sri_Lanka foaf:primaryTopic dbpedia:List_of_riots_in_Sri_Lanka .