{"id":"S2004000485","label":"MIMO systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004000485","normalized_label":"mimo systems","broader":["http://id.loc.gov/authorities/subjects/sh92006740"],"aliases":["Multiple input-multiple output systems"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004000485","provider":"lcsh","revision":"ff2f0c07e38d4067","taxonomy_revision":"f050b5d4780b1289","title":"MIMO systems","url":"/topics/S2004000485","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14125619680194748998","address_version":"morton4x16-v1","coordinates":[0,477,51835,37888],"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}