// Attach the group to query.
query.setQueryPattern(elg) ;
// Choose what we want - SELECT *
//query.setQueryResultStar(true) ;
query.addResultVar(varTitle) ;
// Print query with line numbers
// Prefix mapping just helps serialization
query.getPrefixMapping().setNsPrefix("dc" , DC.getURI()) ;
query.serialize(new IndentedWriter(System.out,true)) ;