{"id_concept_class": "", "creation_time": 1512660629695, "event_stamp": "2009-06-22T19:12:55", "def_id_user": "usr_514c850935a72", "def_event_stamp": "2013-03-22T16:35:47", "last_updated": 1512660629695, "def_id": "def_514c88635467a", "name": "efficiency", "alias": "", "definition_text": "effective operation as measured by a comparison of production with cost (as in energy, time, money, or cortical activity)", "id_user": "usr_0000000000", "id": "trm_4a3fd79d0a145", "type": "concept", "concepts": [], "contrasts": [], "citations": [], "conceptclasses": [], "relationships": []}