@classmethod
def from_json(cls, val):
    """ Create an ontology term from JSON

        Args:
            val (:obj:`dict`)

        Returns:
            :obj:`OntologyTerm`
        """
    return cls(ontology=val.get('ontology', None), id=val.get('id', None),
        name=val.get('name', None), description=val.get('description', None
        ), iri=val.get('iri', None))
