{"id":"S91003006","label":"Truth maintenance systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91003006","normalized_label":"truth maintenance systems","broader":["http://id.loc.gov/authorities/subjects/sh85008180"],"aliases":["Reason maintenance systems","TMS (Artificial intelligence)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91003006","provider":"lcsh","revision":"f86a62e9dc6b2a83","taxonomy_revision":"f050b5d4780b1289","title":"Truth maintenance systems","url":"/topics/S91003006","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14469080715272258054","address_version":"morton4x16-v1","coordinates":[0,21,45665,63488],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}