@classmethod
    def datatype(cls):
        return VECTOR
Return a tuple ``(s, e)``, where ``tokens[s:e]`` is the
dataset/ETHPy150Open hydroshare/hydroshare2/ga_resources/drivers/__init__.py/Driver.datatype--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/parse/chart.py/EdgeI.span