def ingest(cls, resource, root=None, **kwargs):
        """ Ingest a dictionary of DTS Citation object (as parsed JSON-LD) and
        creates the Citation Graph

        :param resource: List of Citation objects from the
            DTS Collection Endpoint (as expanded JSON-LD)
        :type resource: dict
        :param root: Root of the citation tree
        :type root: BaseCitationSet
        :return:
        """
        cite = cls(
            name=resource.get(_cite_type_term, [{"@value": None}])[0]["@value"],  # Not really clean ?
            root=root
        )
        for subCite in resource.get(_cite_structure_term, []):
            cite.add_child(cls.ingest(subCite, root=root))
        return cite