def do_set(self, subject):
        for field, value in self.action_params:
            setattr(subject, field, value)
        subject.save()
        return subject
``itemMatch`` is supposed to be the result of ``calculate_similarities()``
dataset/ETHPy150Open ofri/Open-Knesset/suggestions/models.py/SuggestedAction.do_set--crossover with--dataset/ETHPy150Open fcurella/django-recommends/recommends/algorithms/ghetto.py/GhettoAlgorithm.calculate_recommendations