{"id":"S85082094","label":"Materials science","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85082094","normalized_label":"materials science","broader":["http://id.loc.gov/authorities/subjects/sh89005705"],"aliases":["Material science"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85082094","provider":"lcsh","revision":"760f4d318bfcfa2c","taxonomy_revision":"f050b5d4780b1289","title":"Materials science","url":"/topics/S85082094","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550094117217125956","address_version":"morton4x16-v1","coordinates":[0,20,18687,47104],"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}