{"created": {"type": "/type/datetime", "value": "2014-07-30T14:00:55.523653"}, "subjects": ["Expert systems (Computer science)"], "latest_revision": 2, "key": "/works/OL16994331W", "title": "Knowledge engineering", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL221628A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2018-11-18T22:58:04.760967"}, "covers": [4944375], "revision": 2}