Delimitation is 0, as gene names, in our example, are simple tokens.
the characterizing factors are low: the tagset is boolean (Dimension=0), a type language is used (Expressiveness=0.25) and ambiguity is very low as only few gene names are also common names (theoretical ambiguity can be approximated at 0.01 9 and residual ambiguity is on average of 0.04 for two annotators).