{"id":"S85105088","label":"Portland cement","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85105088","normalized_label":"portland cement","broader":["http://id.loc.gov/authorities/subjects/sh85021731","http://id.loc.gov/authorities/subjects/sh85106037"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85105088","provider":"lcsh","revision":"6916f5b0f8471434","taxonomy_revision":"f050b5d4780b1289","title":"Portland cement","url":"/topics/S85105088","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288301019845232196","address_version":"morton4x16-v1","coordinates":[0,20,19047,0],"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}