{"id":"S85006190","label":"Approximation theory","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85006190","normalized_label":"approximation theory","broader":["http://id.loc.gov/authorities/subjects/sh85052312","http://id.loc.gov/authorities/subjects/sh85052327","http://id.loc.gov/authorities/subjects/sh85104702"],"aliases":["Theory of approximation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85006190","provider":"lcsh","revision":"f49c3dd215b61280","taxonomy_revision":"f050b5d4780b1289","title":"Approximation theory","url":"/topics/S85006190","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550028145441523204","address_version":"morton4x16-v1","coordinates":[0,20,17501,47104],"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}