# Information storage and retrieval systems--Aging { "id": "S2021000133", "title": "Information storage and retrieval systems--Aging", "url": "/topics/S2021000133", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "55942b20e62de517", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "4903373268299301958", "address_version": "morton4x16-v1", "coordinates": [ 0, 481, 55311, 5120 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2021000133 No owner-reviewed local answer yet.