{"id":"S85092227","label":"Non-negative matrices","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85092227","normalized_label":"non-negative matrices","broader":["http://id.loc.gov/authorities/subjects/sh85082210"],"aliases":["Nonnegative matrices"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85092227","provider":"lcsh","revision":"d5be835dfe478f1f","taxonomy_revision":"f050b5d4780b1289","title":"Non-negative matrices","url":"/topics/S85092227","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288450296731289152","address_version":"morton4x16-v1","coordinates":[0,20,18846,3072],"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}