{"key": "/works/OL12639694W", "title": "Linear and integer programming", "first_publish_date": "1996", "authors": [{"author": {"key": "/authors/OL456478A"}, "type": {"key": "/type/author_role"}}], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-11T07:25:03.699608"}, "last_modified": {"type": "/type/datetime", "value": "2025-06-09T23:50:20.760976"}}