class Mapper(object):

    def result_set_2_rdf(self, result_set, reduced_mapping, fragment):
        raise NotImplementedError()

423762bad892f9c733164861a1bc057b05ef994f
<mask token>

class Mapper(object):
    <mask token>

class Mapper(object):

    def result_set_2_rdf(self, result_set, reduced_mapping, fragment):
        raise NotImplementedError()
