{"id":"https://openalex.org/W4389614249","doi":"https://doi.org/10.3390/ijgi12120497","title":"Location Planning of Emergency Medical Facilities Using the p-Dispersed-Median Modeling Approach","display_name":"Location Planning of Emergency Medical Facilities Using the p-Dispersed-Median Modeling Approach","publication_year":2023,"publication_date":"2023-12-12","ids":{"openalex":"https://openalex.org/W4389614249","doi":"https://doi.org/10.3390/ijgi12120497"},"language":"en","primary_location":{"id":"doi:10.3390/ijgi12120497","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi12120497","pdf_url":"https://www.mdpi.com/2220-9964/12/12/497/pdf?version=1702384516","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2220-9964/12/12/497/pdf?version=1702384516","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052136800","display_name":"Changwha Oh","orcid":"https://orcid.org/0000-0002-1682-1802"},"institutions":[{"id":"https://openalex.org/I75027704","display_name":"University of Tennessee at Knoxville","ror":"https://ror.org/020f3ap87","country_code":"US","type":"education","lineage":["https://openalex.org/I75027704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Changwha Oh","raw_affiliation_strings":["Department of Geography and Sustainability, University of Tennessee at Knoxville, Knoxville, TN 37996, USA"],"raw_orcid":"https://orcid.org/0000-0002-1682-1802","affiliations":[{"raw_affiliation_string":"Department of Geography and Sustainability, University of Tennessee at Knoxville, Knoxville, TN 37996, USA","institution_ids":["https://openalex.org/I75027704"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066484698","display_name":"Yongwan Chun","orcid":"https://orcid.org/0000-0002-4957-1379"},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yongwan Chun","raw_affiliation_strings":["School of Economic, Political and Policy Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA"],"raw_orcid":"https://orcid.org/0000-0002-4957-1379","affiliations":[{"raw_affiliation_string":"School of Economic, Political and Policy Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA","institution_ids":["https://openalex.org/I162577319"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034633667","display_name":"Hyun Kim","orcid":"https://orcid.org/0000-0002-7637-678X"},"institutions":[{"id":"https://openalex.org/I75027704","display_name":"University of Tennessee at Knoxville","ror":"https://ror.org/020f3ap87","country_code":"US","type":"education","lineage":["https://openalex.org/I75027704"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Hyun Kim","raw_affiliation_strings":["Department of Geography and Sustainability, University of Tennessee at Knoxville, Knoxville, TN 37996, USA"],"raw_orcid":"https://orcid.org/0000-0002-7637-678X","affiliations":[{"raw_affiliation_string":"Department of Geography and Sustainability, University of Tennessee at Knoxville, Knoxville, TN 37996, USA","institution_ids":["https://openalex.org/I75027704"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5034633667"],"corresponding_institution_ids":["https://openalex.org/I75027704"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":1.659,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.86122391,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"12","issue":"12","first_page":"497","last_page":"497"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11502","display_name":"Facility Location and Emergency Management","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1407","display_name":"Organizational Behavior and Human Resource Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11502","display_name":"Facility Location and Emergency Management","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1407","display_name":"Organizational Behavior and Human Resource Management"},"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/T10298","display_name":"Urban Transport and Accessibility","score":0.9839000105857849,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10567","display_name":"Vehicle Routing Optimization Methods","score":0.9703999757766724,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5572863221168518},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5561679601669312},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.5444747805595398},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.5144813060760498},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.5033037066459656},{"id":"https://openalex.org/keywords/operations-research","display_name":"Operations research","score":0.4912859797477722},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.44170311093330383},{"id":"https://openalex.org/keywords/emergency-medical-services","display_name":"Emergency medical services","score":0.4398967921733856},{"id":"https://openalex.org/keywords/facility-location-problem","display_name":"Facility location problem","score":0.4347073435783386},{"id":"https://openalex.org/keywords/linear-programming","display_name":"Linear programming","score":0.41970717906951904},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3946075737476349},{"id":"https://openalex.org/keywords/medical-emergency","display_name":"Medical emergency","score":0.2178497314453125},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21706297993659973},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18727153539657593},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.170845627784729},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.12456417083740234},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.09941667318344116}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5572863221168518},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5561679601669312},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.5444747805595398},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.5144813060760498},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5033037066459656},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.4912859797477722},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.44170311093330383},{"id":"https://openalex.org/C545288138","wikidata":"https://www.wikidata.org/wiki/Q860447","display_name":"Emergency medical services","level":2,"score":0.4398967921733856},{"id":"https://openalex.org/C108005400","wikidata":"https://www.wikidata.org/wiki/Q1305598","display_name":"Facility location problem","level":2,"score":0.4347073435783386},{"id":"https://openalex.org/C41045048","wikidata":"https://www.wikidata.org/wiki/Q202843","display_name":"Linear programming","level":2,"score":0.41970717906951904},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3946075737476349},{"id":"https://openalex.org/C545542383","wikidata":"https://www.wikidata.org/wiki/Q2751242","display_name":"Medical emergency","level":1,"score":0.2178497314453125},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21706297993659973},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18727153539657593},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.170845627784729},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.12456417083740234},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.09941667318344116},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","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},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/ijgi12120497","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi12120497","pdf_url":"https://www.mdpi.com/2220-9964/12/12/497/pdf?version=1702384516","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:eb03cc939cef47f1a110a28c12845f9d","is_oa":true,"landing_page_url":"https://doaj.org/article/eb03cc939cef47f1a110a28c12845f9d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information, Vol 12, Iss 12, p 497 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/ijgi12120497","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi12120497","pdf_url":"https://www.mdpi.com/2220-9964/12/12/497/pdf?version=1702384516","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3583023310","display_name":null,"funder_award_id":"BCS-1951344","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4389614249.pdf"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W145436563","https://openalex.org/W1779654557","https://openalex.org/W1979519690","https://openalex.org/W1986998000","https://openalex.org/W1991905748","https://openalex.org/W1998000647","https://openalex.org/W2020433876","https://openalex.org/W2032098373","https://openalex.org/W2038933051","https://openalex.org/W2040310570","https://openalex.org/W2050000782","https://openalex.org/W2054258120","https://openalex.org/W2054972530","https://openalex.org/W2068975375","https://openalex.org/W2072201977","https://openalex.org/W2072345254","https://openalex.org/W2073268144","https://openalex.org/W2074757716","https://openalex.org/W2081531476","https://openalex.org/W2084468209","https://openalex.org/W2093819975","https://openalex.org/W2102747382","https://openalex.org/W2102750402","https://openalex.org/W2109962606","https://openalex.org/W2121427128","https://openalex.org/W2126787883","https://openalex.org/W2139251392","https://openalex.org/W2161112212","https://openalex.org/W2214409276","https://openalex.org/W2327684551","https://openalex.org/W2493542487","https://openalex.org/W2505433032","https://openalex.org/W2535533318","https://openalex.org/W2745832866","https://openalex.org/W2765647997","https://openalex.org/W2783652774","https://openalex.org/W2788996039","https://openalex.org/W3014686468","https://openalex.org/W3125784342","https://openalex.org/W4210661522","https://openalex.org/W4210779149","https://openalex.org/W4238714550","https://openalex.org/W6606001357","https://openalex.org/W6747835456"],"related_works":["https://openalex.org/W3029224032","https://openalex.org/W2003719999","https://openalex.org/W2293751504","https://openalex.org/W4285278887","https://openalex.org/W2365237642","https://openalex.org/W2995925505","https://openalex.org/W2997928977","https://openalex.org/W2773399470","https://openalex.org/W3116484972","https://openalex.org/W4387578030"],"abstract_inverted_index":{"This":[0,93],"research":[1],"employs":[2],"a":[3,125,162],"spatial":[4,28,49,99,116],"optimization":[5,29],"approach":[6,187],"customized":[7],"for":[8,41,82,124,139],"addressing":[9],"equitable":[10,48,127],"emergency":[11,42,52,105],"medical":[12,43,53,106],"facility":[13],"location":[14,142],"problems":[15],"through":[16,165],"the":[17,38,62,65,78,86,97,102,111,115,148,171,175,183],"p-dispersed-median":[18],"problem":[19],"(p-DIME).":[20],"The":[21,108,179],"p-DIME":[22,66],"integrates":[23],"two":[24],"conflicting":[25],"classes":[26],"of":[27,51,64,77,104,110,118,132,174,185],"problems,":[30,34],"dispersion":[31],"and":[32,91,135],"median":[33],"aiming":[35],"to":[36,45,85,146],"identify":[37],"optimal":[39,202],"locations":[40],"facilities":[44],"achieve":[46],"an":[47],"distribution":[50,103,129],"services":[54],"(EMS)":[55],"while":[56,199],"effectively":[57],"serving":[58],"demand.":[59],"To":[60],"demonstrate":[61],"utility":[63],"model,":[67],"we":[68],"selected":[69],"Gyeongsangbuk-do":[70],"in":[71,101,130,188,196],"South":[72],"Korea,":[73],"recognized":[74],"as":[75],"one":[76],"most":[79],"challenging":[80],"areas":[81],"providing":[83],"EMS":[84,128,141],"elderly":[87],"population":[88],"(aged":[89],"65":[90],"over).":[92],"challenge":[94],"arises":[95],"from":[96],"significant":[98,194],"disparity":[100,117],"facilities.":[107],"results":[109,181],"model":[112],"assessment":[113],"gauge":[114],"EMS,":[119],"provide":[120],"significantly":[121],"enhanced":[122],"solutions":[123],"more":[126],"terms":[131],"service":[133],"coverage,":[134],"offer":[136],"policy":[137],"implications":[138],"future":[140],"planning.":[143],"In":[144],"addition,":[145],"address":[147],"computational":[149,180,191],"challenges":[150],"posed":[151],"by":[152],"p-DIME\u2019s":[153],"inherent":[154],"complexity,":[155],"involving":[156],"mixed-integer":[157],"programming,":[158],"this":[159,186],"study":[160],"introduces":[161],"solution":[163,177,197],"technique":[164],"constraint":[166],"formulations":[167],"aimed":[168],"at":[169],"tightening":[170],"lower":[172],"bounds":[173],"problem\u2019s":[176],"space.":[178],"confirm":[182],"effectiveness":[184],"ensuring":[189],"reliable":[190],"performance,":[192],"with":[193],"reductions":[195],"times,":[198],"still":[200],"producing":[201],"solutions.":[203]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}