{"id":"https://openalex.org/W4312910486","doi":"https://doi.org/10.1109/case49997.2022.9926432","title":"Identify Bottlenecks of Patient Flow in Emergency Departments","display_name":"Identify Bottlenecks of Patient Flow in Emergency Departments","publication_year":2022,"publication_date":"2022-08-20","ids":{"openalex":"https://openalex.org/W4312910486","doi":"https://doi.org/10.1109/case49997.2022.9926432"},"language":"en","primary_location":{"id":"doi:10.1109/case49997.2022.9926432","is_oa":false,"landing_page_url":"https://doi.org/10.1109/case49997.2022.9926432","pdf_url":null,"source":{"id":"https://openalex.org/S4363607892","display_name":"2022 IEEE 18th International Conference on Automation Science and Engineering (CASE)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 18th International Conference on Automation Science and Engineering (CASE)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059220335","display_name":"Yuansi Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I141450709","display_name":"Monmouth University","ror":"https://ror.org/01d6qxv05","country_code":"US","type":"education","lineage":["https://openalex.org/I141450709"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yuansi Hu","raw_affiliation_strings":["Monmouth University,Department of Computer Science and Software Engineering,USA","Department of Computer Science and Software Engineering, Monmouth University, USA"],"affiliations":[{"raw_affiliation_string":"Monmouth University,Department of Computer Science and Software Engineering,USA","institution_ids":["https://openalex.org/I141450709"]},{"raw_affiliation_string":"Department of Computer Science and Software Engineering, Monmouth University, USA","institution_ids":["https://openalex.org/I141450709"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069580705","display_name":"Jiacun Wang","orcid":"https://orcid.org/0000-0003-4176-3947"},"institutions":[{"id":"https://openalex.org/I141450709","display_name":"Monmouth University","ror":"https://ror.org/01d6qxv05","country_code":"US","type":"education","lineage":["https://openalex.org/I141450709"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jiacun Wang","raw_affiliation_strings":["Monmouth University,Department of Computer Science and Software Engineering,USA","Department of Computer Science and Software Engineering, Monmouth University, USA"],"affiliations":[{"raw_affiliation_string":"Monmouth University,Department of Computer Science and Software Engineering,USA","institution_ids":["https://openalex.org/I141450709"]},{"raw_affiliation_string":"Department of Computer Science and Software Engineering, Monmouth University, USA","institution_ids":["https://openalex.org/I141450709"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072386697","display_name":"Guanjun Liu","orcid":"https://orcid.org/0000-0002-7523-4827"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guanjun Liu","raw_affiliation_strings":["Tongji University,Shanghai,China","Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Tongji University,Shanghai,China","institution_ids":["https://openalex.org/I116953780"]},{"raw_affiliation_string":"Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5059220335"],"corresponding_institution_ids":["https://openalex.org/I141450709"],"apc_list":null,"apc_paid":null,"fwci":0.78,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.76724138,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"2435","last_page":"2440"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11773","display_name":"Healthcare Operations and Scheduling Optimization","score":0.9861999750137329,"subfield":{"id":"https://openalex.org/subfields/3604","display_name":"Emergency Medical Services"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11773","display_name":"Healthcare Operations and Scheduling Optimization","score":0.9861999750137329,"subfield":{"id":"https://openalex.org/subfields/3604","display_name":"Emergency Medical Services"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10974","display_name":"Advanced Queuing Theory Analysis","score":0.9373999834060669,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/bottleneck","display_name":"Bottleneck","score":0.9279745817184448},{"id":"https://openalex.org/keywords/petri-net","display_name":"Petri net","score":0.685896635055542},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6779730319976807},{"id":"https://openalex.org/keywords/queue","display_name":"Queue","score":0.6611665487289429},{"id":"https://openalex.org/keywords/queueing-theory","display_name":"Queueing theory","score":0.6068943738937378},{"id":"https://openalex.org/keywords/health-care","display_name":"Health care","score":0.5143667459487915},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.48865655064582825},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.42212843894958496},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.35494691133499146},{"id":"https://openalex.org/keywords/medical-emergency","display_name":"Medical emergency","score":0.3505887985229492},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.34174126386642456},{"id":"https://openalex.org/keywords/operations-research","display_name":"Operations research","score":0.32941848039627075},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.24795523285865784},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.2128484547138214},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.12590783834457397},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.12372365593910217},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11959618330001831}],"concepts":[{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.9279745817184448},{"id":"https://openalex.org/C38677869","wikidata":"https://www.wikidata.org/wiki/Q724168","display_name":"Petri net","level":2,"score":0.685896635055542},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6779730319976807},{"id":"https://openalex.org/C160403385","wikidata":"https://www.wikidata.org/wiki/Q220543","display_name":"Queue","level":2,"score":0.6611665487289429},{"id":"https://openalex.org/C22684755","wikidata":"https://www.wikidata.org/wiki/Q847526","display_name":"Queueing theory","level":2,"score":0.6068943738937378},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.5143667459487915},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.48865655064582825},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.42212843894958496},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35494691133499146},{"id":"https://openalex.org/C545542383","wikidata":"https://www.wikidata.org/wiki/Q2751242","display_name":"Medical emergency","level":1,"score":0.3505887985229492},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.34174126386642456},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.32941848039627075},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.24795523285865784},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2128484547138214},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.12590783834457397},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.12372365593910217},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11959618330001831},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/case49997.2022.9926432","is_oa":false,"landing_page_url":"https://doi.org/10.1109/case49997.2022.9926432","pdf_url":null,"source":{"id":"https://openalex.org/S4363607892","display_name":"2022 IEEE 18th International Conference on Automation Science and Engineering (CASE)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 18th International Conference on Automation Science and Engineering (CASE)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2595172197","https://openalex.org/W2084856301","https://openalex.org/W2127970246","https://openalex.org/W2885125400","https://openalex.org/W1989889224","https://openalex.org/W4382618745","https://openalex.org/W1973775000","https://openalex.org/W2982511116","https://openalex.org/W2768886816","https://openalex.org/W2123876169"],"abstract_inverted_index":{"Patient":[0],"flow":[1,27,58],"is":[2,38,80,107],"the":[3,12,56,84,93,116],"movement":[4],"of":[5,86,95,101],"patients":[6,102],"through":[7],"a":[8,74],"healthcare":[9,15],"facility.":[10],"Over":[11],"past":[13],"decades,":[14],"service":[16,37],"researchers":[17],"and":[18,28],"providers":[19],"have":[20],"spent":[21],"tremendous":[22],"efforts":[23],"in":[24,35,59,66,73,88,103],"optimizing":[25],"patient":[26,30,57],"reducing":[29],"waiting":[31,105],"time.":[32],"Identifying":[33],"bottleneck":[34,117],"health":[36],"an":[39,67],"important":[40],"step":[41],"to":[42,54,91,114],"curb":[43],"long":[44],"queues.":[45,96],"In":[46],"this":[47],"paper,":[48],"we":[49],"use":[50],"timed":[51],"Petri":[52,75],"nets":[53],"model":[55],"typical":[60],"emergency":[61],"departments":[62],"(ED).":[63],"Waiting":[64],"areas":[65],"ED":[68],"are":[69,119],"modeled":[70],"with":[71],"places":[72,90],"net.":[76],"A":[77],"simulation":[78,111],"tool":[79],"developed":[81],"that":[82],"tracks":[83],"number":[85],"tokens":[87],"those":[89],"estimate":[92],"length":[94],"The":[97],"average":[98],"sojourn":[99],"time":[100],"each":[104],"area":[106],"investigated":[108],"based":[109],"on":[110],"results.":[112],"Strategies":[113],"mitigate":[115],"impact":[118],"discussed.":[120]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}