Get a :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Collection` by uri

        :param (str) uri: string uri of the :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Concept`
        :return: corresponding :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Concept`.
            Returns None if non-existing id

def get_by_uri(self, uri, change_notes=False):
        """ Get a :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Collection` by uri

        :param (str) uri: string uri of the :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Concept`
        :return: corresponding :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Concept`.
            Returns None if non-existing id
        """

        id = uri_to_id(uri)

        return self.get_by_id(id, change_notes)