SPARQLObject sparqlArgument = adapter.adaptTo(argument, SPARQLObject.class);
String sparql = "<http://www.w3.org/2005/xpath-functions#upper-case> ("
+ sparqlArgument.getObject() + ")";
return (T) new SPARQLFunction(sparql);
} catch (UnsupportedTypeForExportException e) {
throw new org.apache.stanbol.rules.base.api.RuleAtomCallExeption(getClass());
} catch (UnavailableRuleObjectException e) {
throw new org.apache.stanbol.rules.base.api.RuleAtomCallExeption(getClass());