Map<String, Parameter> inputs = new HashMap<String, Parameter>();
inputs.put("input1", input1);
inputs.put("input2", input2);
inputs.put("input3", input3);
FunctionDescriptor function;
URI location = new URI("http://admire.function.examle.org/");
function = new SimpleRDFFunctionDescriptor("DummyFunction1", inputs, output, location);
registry.registerFunction(function);
}