{"id":"S85109832","label":"Queuing theory","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85109832","normalized_label":"queuing theory","broader":["http://id.loc.gov/authorities/subjects/sh85118098","http://id.loc.gov/authorities/subjects/sh85128181"],"aliases":["Erlang traffic formula","Queueing theory","Theory of queues","Waiting-line theory"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85109832","provider":"lcsh","revision":"de5eb389fea90cc4","taxonomy_revision":"f050b5d4780b1289","title":"Queuing theory","url":"/topics/S85109832","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324329817871090180","address_version":"morton4x16-v1","coordinates":[0,20,19121,8192],"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}