{"id":"S2009005984","label":"Automotive event data recorders","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009005984","normalized_label":"automotive event data recorders","broader":["http://id.loc.gov/authorities/subjects/sh2003011202","http://id.loc.gov/authorities/subjects/sh85010253"],"aliases":["Auto crash data event recorders","Automobile black boxes","Automobile event data recorders","Car black box systems","EDRs (Automobile engineering)","Event data recorders (Automobile engineering)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009005984","provider":"lcsh","revision":"a3bd5591bd0267e8","taxonomy_revision":"f050b5d4780b1289","title":"Automotive event data recorders","url":"/topics/S2009005984","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14142499400957978208","address_version":"morton4x16-v1","coordinates":[0,478,64510,32768],"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}