{"id":"S85142453","label":"Vector fields","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85142453","normalized_label":"vector fields","broader":["http://id.loc.gov/authorities/subjects/sh85142449"],"aliases":["Direction fields (Mathematics)","Fields, Direction (Mathematics)","Fields, Slope (Mathematics)","Fields, Vector","Slope fields (Mathematics)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85142453","provider":"lcsh","revision":"8e465a3ea5a3b656","taxonomy_revision":"f050b5d4780b1289","title":"Vector fields","url":"/topics/S85142453","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090398529085392448","address_version":"morton4x16-v1","coordinates":[0,20,19630,54272],"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}