{"id":"S2003001275","label":"Ships--Automatic identification systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003001275","normalized_label":"ships--automatic identification systems","broader":["http://id.loc.gov/authorities/subjects/sh2003005936","http://id.loc.gov/authorities/subjects/sh85121603","http://id.loc.gov/authorities/subjects/sh85137016"],"aliases":["AIS (Ships)","Automated identification systems, Marine","Automatic identification systems, Marine","Shipborne automatic identification systems","Universal Shipborne Automatic Identification System"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003001275","provider":"lcsh","revision":"f732db3b37780745","taxonomy_revision":"f050b5d4780b1289","title":"Ships--Automatic identification systems","url":"/topics/S2003001275","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14447771931388569154","address_version":"morton4x16-v1","coordinates":[0,477,36222,60416],"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}