{"id":"https://openalex.org/W2056597716","doi":"https://doi.org/10.1007/s10479-009-0647-8","title":"Dimensioning hospital wards using the Erlang loss model","display_name":"Dimensioning hospital wards using the Erlang loss model","publication_year":2009,"publication_date":"2009-10-14","ids":{"openalex":"https://openalex.org/W2056597716","doi":"https://doi.org/10.1007/s10479-009-0647-8","mag":"2056597716"},"language":"en","primary_location":{"id":"doi:10.1007/s10479-009-0647-8","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10479-009-0647-8","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10479-009-0647-8.pdf","source":{"id":"https://openalex.org/S57667410","display_name":"Annals of Operations Research","issn_l":"0254-5330","issn":["0254-5330","1572-9338"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Operations Research","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s10479-009-0647-8.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5004409079","display_name":"A. M. de Bruin","orcid":null},"institutions":[{"id":"https://openalex.org/I865915315","display_name":"Vrije Universiteit Amsterdam","ror":"https://ror.org/008xxew50","country_code":"NL","type":"education","lineage":["https://openalex.org/I865915315"]},{"id":"https://openalex.org/I911458345","display_name":"Amsterdam UMC Location Vrije Universiteit Amsterdam","ror":"https://ror.org/00q6h8f30","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210151833","https://openalex.org/I911458345"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"A. M. de Bruin","raw_affiliation_strings":["Faculty of Sciences, Department of Mathematics, VU University, De Boelelaan 1081a (room R-446), 1081 HV, Amsterdam, The Netherlands","VU University Medical Center, Division IV, de Boelelaan 1117 (room PK 6X.185), P.O. BOX 7075, 1007 MB, Amsterdam, The Netherlands","VU University","VU University Medical Center, Division IV"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Sciences, Department of Mathematics, VU University, De Boelelaan 1081a (room R-446), 1081 HV, Amsterdam, The Netherlands","institution_ids":["https://openalex.org/I865915315"]},{"raw_affiliation_string":"VU University Medical Center, Division IV, de Boelelaan 1117 (room PK 6X.185), P.O. BOX 7075, 1007 MB, Amsterdam, The Netherlands","institution_ids":["https://openalex.org/I911458345"]},{"raw_affiliation_string":"VU University","institution_ids":[]},{"raw_affiliation_string":"VU University Medical Center, Division IV","institution_ids":["https://openalex.org/I911458345"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050718918","display_name":"Ren\u00e9 Bekker","orcid":"https://orcid.org/0000-0002-5769-3624"},"institutions":[{"id":"https://openalex.org/I865915315","display_name":"Vrije Universiteit Amsterdam","ror":"https://ror.org/008xxew50","country_code":"NL","type":"education","lineage":["https://openalex.org/I865915315"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"R. Bekker","raw_affiliation_strings":["Faculty of Sciences, Department of Mathematics, VU University, De Boelelaan 1081a (room R-446), 1081 HV, Amsterdam, The Netherlands","VU University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Sciences, Department of Mathematics, VU University, De Boelelaan 1081a (room R-446), 1081 HV, Amsterdam, The Netherlands","institution_ids":["https://openalex.org/I865915315"]},{"raw_affiliation_string":"VU University","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029789228","display_name":"L. van Zanten","orcid":null},"institutions":[{"id":"https://openalex.org/I911458345","display_name":"Amsterdam UMC Location Vrije Universiteit Amsterdam","ror":"https://ror.org/00q6h8f30","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210151833","https://openalex.org/I911458345"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"L. van Zanten","raw_affiliation_strings":["VU University Medical Center, Division IV, de Boelelaan 1117 (room PK 6X.185), P.O. BOX 7075, 1007 MB, Amsterdam, The Netherlands","VU University Medical Center, Division IV"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"VU University Medical Center, Division IV, de Boelelaan 1117 (room PK 6X.185), P.O. BOX 7075, 1007 MB, Amsterdam, The Netherlands","institution_ids":["https://openalex.org/I911458345"]},{"raw_affiliation_string":"VU University Medical Center, Division IV","institution_ids":["https://openalex.org/I911458345"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026879445","display_name":"Ger Koole","orcid":"https://orcid.org/0000-0003-1776-8369"},"institutions":[{"id":"https://openalex.org/I865915315","display_name":"Vrije Universiteit Amsterdam","ror":"https://ror.org/008xxew50","country_code":"NL","type":"education","lineage":["https://openalex.org/I865915315"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"G. M. Koole","raw_affiliation_strings":["Faculty of Sciences, Department of Mathematics, VU University, De Boelelaan 1081a (room R-446), 1081 HV, Amsterdam, The Netherlands","VU University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Sciences, Department of Mathematics, VU University, De Boelelaan 1081a (room R-446), 1081 HV, Amsterdam, The Netherlands","institution_ids":["https://openalex.org/I865915315"]},{"raw_affiliation_string":"VU University","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5004409079"],"corresponding_institution_ids":["https://openalex.org/I865915315","https://openalex.org/I911458345"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":{"value":2990,"currency":"USD","value_usd":2990},"fwci":8.1467,"has_fulltext":true,"cited_by_count":168,"citation_normalized_percentile":{"value":0.9769436,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"178","issue":"1","first_page":"23","last_page":"43"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11773","display_name":"Healthcare Operations and Scheduling Optimization","score":0.9983999729156494,"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":0.9983999729156494,"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":0.9925000071525574,"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"}},{"id":"https://openalex.org/T13886","display_name":"Operations Management Techniques","score":0.921999990940094,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/erlang","display_name":"Erlang (programming language)","score":0.7849538326263428},{"id":"https://openalex.org/keywords/queueing-theory","display_name":"Queueing theory","score":0.6386862993240356},{"id":"https://openalex.org/keywords/theory-of-computation","display_name":"Theory of computation","score":0.5620002150535583},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.51446533203125},{"id":"https://openalex.org/keywords/occupancy","display_name":"Occupancy","score":0.48921656608581543},{"id":"https://openalex.org/keywords/operations-management","display_name":"Operations management","score":0.3710082173347473},{"id":"https://openalex.org/keywords/operations-research","display_name":"Operations research","score":0.35805314779281616},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13398239016532898},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12720617651939392},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.0842086672782898}],"concepts":[{"id":"https://openalex.org/C82484044","wikidata":"https://www.wikidata.org/wiki/Q334879","display_name":"Erlang (programming language)","level":3,"score":0.7849538326263428},{"id":"https://openalex.org/C22684755","wikidata":"https://www.wikidata.org/wiki/Q847526","display_name":"Queueing theory","level":2,"score":0.6386862993240356},{"id":"https://openalex.org/C24858836","wikidata":"https://www.wikidata.org/wiki/Q844718","display_name":"Theory of computation","level":2,"score":0.5620002150535583},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.51446533203125},{"id":"https://openalex.org/C160331591","wikidata":"https://www.wikidata.org/wiki/Q7075743","display_name":"Occupancy","level":2,"score":0.48921656608581543},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.3710082173347473},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.35805314779281616},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13398239016532898},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12720617651939392},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0842086672782898},{"id":"https://openalex.org/C42383842","wikidata":"https://www.wikidata.org/wiki/Q193076","display_name":"Functional programming","level":2,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/s10479-009-0647-8","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10479-009-0647-8","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10479-009-0647-8.pdf","source":{"id":"https://openalex.org/S57667410","display_name":"Annals of Operations Research","issn_l":"0254-5330","issn":["0254-5330","1572-9338"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Operations Research","raw_type":"journal-article"},{"id":"pmh:oai:research.vu.nl:openaire/6d053ce6-ca8b-490b-81b6-b1cd6c809af6","is_oa":true,"landing_page_url":"https://research.vu.nl/en/publications/6d053ce6-ca8b-490b-81b6-b1cd6c809af6","pdf_url":"https://research.vu.nl/ws/files/2627757/234538.pdf","source":{"id":"https://openalex.org/S4306401107","display_name":"VU Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I865915315","host_organization_name":"Vrije Universiteit Amsterdam","host_organization_lineage":["https://openalex.org/I865915315"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"de Bruin, A M, Bekker, R, van Zanten, L & Koole, G M 2010, 'Dimensioning hospital wards using the Erlang loss model', Annals of Operations Research, vol. 178, pp. 23-43. https://doi.org/10.1007/s10479-009-0647-8","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:RePEc:spr:annopr:v:178:y:2010:i:1:p:23-43:10.1007/s10479-009-0647-8","is_oa":false,"landing_page_url":"http://hdl.handle.net/10.1007/s10479-009-0647-8","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.1007/s10479-009-0647-8","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10479-009-0647-8","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10479-009-0647-8.pdf","source":{"id":"https://openalex.org/S57667410","display_name":"Annals of Operations Research","issn_l":"0254-5330","issn":["0254-5330","1572-9338"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Operations Research","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2056597716.pdf","grobid_xml":"https://content.openalex.org/works/W2056597716.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W166751945","https://openalex.org/W1497880770","https://openalex.org/W1528627055","https://openalex.org/W1575710575","https://openalex.org/W1632356912","https://openalex.org/W1973615140","https://openalex.org/W1997178285","https://openalex.org/W2002426853","https://openalex.org/W2005883619","https://openalex.org/W2025721221","https://openalex.org/W2027602364","https://openalex.org/W2038595568","https://openalex.org/W2039397350","https://openalex.org/W2080584262","https://openalex.org/W2096000770","https://openalex.org/W2105385240","https://openalex.org/W2109341366","https://openalex.org/W2120176508","https://openalex.org/W2129462673","https://openalex.org/W2155585094","https://openalex.org/W2392726451","https://openalex.org/W2419180762","https://openalex.org/W2771844782","https://openalex.org/W4206316875"],"related_works":["https://openalex.org/W4282043467","https://openalex.org/W2105697914","https://openalex.org/W3093197249","https://openalex.org/W1540010871","https://openalex.org/W3023979140","https://openalex.org/W1968324288","https://openalex.org/W2904068067","https://openalex.org/W1565491139","https://openalex.org/W2363056536","https://openalex.org/W1984809414"],"abstract_inverted_index":{"How":[0],"many":[1],"beds":[2],"must":[3],"be":[4,131],"allocated":[5],"to":[6,11,113,133],"a":[7,25,119],"specific":[8],"clinical":[9],"ward":[10],"meet":[12],"production":[13],"targets?":[14],"When":[15],"budgets":[16],"get":[17],"tight,":[18],"what":[19],"are":[20,30],"the":[21,43,60,125,135,149,155],"effects":[22],"of":[23,47,102,138,157],"downsizing":[24],"nursing":[26,139],"unit?":[27],"These":[28],"questions":[29],"often":[31,51,68],"discussed":[32],"by":[33],"medical":[34],"professionals,":[35],"hospital":[36,146],"consultants,":[37],"and":[38,50,78,93],"managers.":[39],"In":[40,82],"these":[41],"discussions":[42],"occupancy":[44,63],"rate":[45,64],"is":[46,73,91,111],"great":[48],"importance":[49],"used":[52,112,132],"as":[53],"an":[54,71,99],"input":[55],"parameter.":[56],"Most":[57],"hospitals":[58],"use":[59],"same":[61],"target":[62],"for":[65,75,106],"all":[66],"wards,":[67],"85%.":[69],"Sometimes":[70],"exception":[72],"made":[74],"critical":[76],"care":[77,80],"intensive":[79],"units.":[81,108,140],"this":[83,88,115,143],"paper":[84],"we":[85,153],"demonstrate":[86,154],"that":[87,94],"equity":[89],"assumption":[90],"unrealistic":[92],"it":[95],"might":[96],"result":[97],"in":[98],"excessive":[100],"number":[101],"refused":[103],"admissions,":[104],"particularly":[105],"smaller":[107],"Queuing":[109],"theory":[110],"quantify":[114],"impact.":[116],"We":[117,141],"developed":[118],"decision":[120],"support":[121],"system,":[122],"based":[123],"on":[124],"Erlang":[126],"loss":[127],"model,":[128],"which":[129],"can":[130],"evaluate":[134],"current":[136],"size":[137],"validated":[142],"model":[144],"with":[145],"data":[147],"over":[148],"years":[150],"2004\u20132006.":[151],"Finally,":[152],"efficiency":[156],"merging":[158],"departments.":[159]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":14},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":13},{"year":2016,"cited_by_count":13},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":14},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":6}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2016-06-24T00:00:00"}
