}
String[] filterArray = new String[filters.size()];
filterArray = filters.toArray(filterArray);
return new SPARQLNot(optional, filterArray);
}
else{
return new SPARQLTriple(argument1SPARQL + " <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> " + argument2SPARQL);
}
}