{"id":"https://openalex.org/W3047285035","doi":"https://doi.org/10.1109/access.2020.3014332","title":"A Dynamic EPQ Model for Time-Varying Demand Problem With Product Life Cycle","display_name":"A Dynamic EPQ Model for Time-Varying Demand Problem With Product Life Cycle","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3047285035","doi":"https://doi.org/10.1109/access.2020.3014332","mag":"3047285035"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3014332","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3014332","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09159577.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09159577.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001454796","display_name":"Chih\u2010Chiang Fang","orcid":"https://orcid.org/0000-0002-3597-5700"},"institutions":[{"id":"https://openalex.org/I183816158","display_name":"Zhaoqing University","ror":"https://ror.org/025n5kj18","country_code":"CN","type":"education","lineage":["https://openalex.org/I183816158"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chih-Chiang Fang","raw_affiliation_strings":["School of Computer Science and Software, Zhaoqing University, Zhaoqing, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Software, Zhaoqing University, Zhaoqing, China","institution_ids":["https://openalex.org/I183816158"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013691397","display_name":"Chun-Wu Yeh","orcid":"https://orcid.org/0000-0003-1936-9767"},"institutions":[{"id":"https://openalex.org/I190409851","display_name":"Kun Shan University","ror":"https://ror.org/01gzkdv90","country_code":"TW","type":"education","lineage":["https://openalex.org/I190409851"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chun-Wu Yeh","raw_affiliation_strings":["Department of Information Management, Kun Shan University, Tainan, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Information Management, Kun Shan University, Tainan, Taiwan","institution_ids":["https://openalex.org/I190409851"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5001454796"],"corresponding_institution_ids":["https://openalex.org/I183816158"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.2542,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.61349105,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"8","issue":null,"first_page":"144468","last_page":"144479"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10328","display_name":"Supply Chain and Inventory Management","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T10328","display_name":"Supply Chain and Inventory Management","score":0.9987000226974487,"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/T11918","display_name":"Forecasting Techniques and Applications","score":0.9819999933242798,"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"}},{"id":"https://openalex.org/T10539","display_name":"Sustainable Supply Chain Management","score":0.97079998254776,"subfield":{"id":"https://openalex.org/subfields/1408","display_name":"Strategy and 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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6360332369804382},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6093817949295044},{"id":"https://openalex.org/keywords/production","display_name":"Production (economics)","score":0.5967627167701721},{"id":"https://openalex.org/keywords/economic-shortage","display_name":"Economic shortage","score":0.5673636198043823},{"id":"https://openalex.org/keywords/dynamic-programming","display_name":"Dynamic programming","score":0.5207814574241638},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.5006575584411621},{"id":"https://openalex.org/keywords/operations-research","display_name":"Operations research","score":0.49141180515289307},{"id":"https://openalex.org/keywords/stochastic-programming","display_name":"Stochastic programming","score":0.4610321819782257},{"id":"https://openalex.org/keywords/product","display_name":"Product (mathematics)","score":0.45016464591026306},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.42790326476097107},{"id":"https://openalex.org/keywords/holding-cost","display_name":"Holding cost","score":0.41083037853240967},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.4105677306652069},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.20123344659805298},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15222105383872986},{"id":"https://openalex.org/keywords/microeconomics","display_name":"Microeconomics","score":0.12575042247772217}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6360332369804382},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6093817949295044},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.5967627167701721},{"id":"https://openalex.org/C194051981","wikidata":"https://www.wikidata.org/wiki/Q1337691","display_name":"Economic shortage","level":3,"score":0.5673636198043823},{"id":"https://openalex.org/C37404715","wikidata":"https://www.wikidata.org/wiki/Q380679","display_name":"Dynamic programming","level":2,"score":0.5207814574241638},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5006575584411621},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.49141180515289307},{"id":"https://openalex.org/C137631369","wikidata":"https://www.wikidata.org/wiki/Q7617831","display_name":"Stochastic programming","level":2,"score":0.4610321819782257},{"id":"https://openalex.org/C90673727","wikidata":"https://www.wikidata.org/wiki/Q901718","display_name":"Product (mathematics)","level":2,"score":0.45016464591026306},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.42790326476097107},{"id":"https://openalex.org/C192365026","wikidata":"https://www.wikidata.org/wiki/Q5046829","display_name":"Holding cost","level":2,"score":0.41083037853240967},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.4105677306652069},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.20123344659805298},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15222105383872986},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.12575042247772217},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.0},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.3014332","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3014332","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09159577.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:9c61e82457774d78b68824faad4e86d4","is_oa":true,"landing_page_url":"https://doaj.org/article/9c61e82457774d78b68824faad4e86d4","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 144468-144479 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3014332","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3014332","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09159577.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.5,"id":"https://metadata.un.org/sdg/12","display_name":"Responsible consumption and production"}],"awards":[{"id":"https://openalex.org/G79028312","display_name":null,"funder_award_id":"2020A1515010892","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321921","display_name":"Natural Science Foundation of Guangdong Province","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3047285035.pdf","grobid_xml":"https://content.openalex.org/works/W3047285035.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W1517581224","https://openalex.org/W1990303442","https://openalex.org/W2003319082","https://openalex.org/W2008246886","https://openalex.org/W2016980635","https://openalex.org/W2021885111","https://openalex.org/W2021938009","https://openalex.org/W2043818491","https://openalex.org/W2048288146","https://openalex.org/W2048917749","https://openalex.org/W2051760630","https://openalex.org/W2055809211","https://openalex.org/W2059502325","https://openalex.org/W2065437029","https://openalex.org/W2078348723","https://openalex.org/W2095100517","https://openalex.org/W2124961454","https://openalex.org/W2128724140","https://openalex.org/W2288949532","https://openalex.org/W2336636977","https://openalex.org/W2622359821","https://openalex.org/W2730302617","https://openalex.org/W2737394209","https://openalex.org/W2901712139","https://openalex.org/W2946637710","https://openalex.org/W2946798040","https://openalex.org/W4238168670","https://openalex.org/W4253543067"],"related_works":["https://openalex.org/W175006096","https://openalex.org/W2290216421","https://openalex.org/W2086136595","https://openalex.org/W1518635954","https://openalex.org/W2970993812","https://openalex.org/W3092334672","https://openalex.org/W2599556035","https://openalex.org/W1590308505","https://openalex.org/W4393107228","https://openalex.org/W2150542653"],"abstract_inverted_index":{"The":[0,41,75,96],"study":[1],"explores":[2],"a":[3,56,61,173],"dynamic":[4],"economic":[5],"production":[6,23,28,39,109],"quantity":[7],"model":[8,52,98,190],"whose":[9],"demand":[10],"function":[11,43],"in":[12,50,129,197],"consideration":[13],"of":[14,22,44,72,77,107,119,138,141,156,162,188],"market-trend":[15],"issue":[16],"to":[17,35,67,88,123,131,149,184],"decide":[18],"the":[19,25,32,38,45,51,69,93,104,108,117,120,126,133,139,151,157,160,177,186,193],"optimal":[20,27,70,105],"number":[21],"cycles,":[24],"corresponding":[26,178],"time":[29,34,113,122],"points,":[30],"and":[31,60,82,99,111,176],"best":[33,121],"withdraw":[36,124],"from":[37,125],"line.":[40],"objective":[42],"total":[46],"relevant":[47],"costs":[48],"considered":[49],"is":[53,65,147],"formulated":[54],"as":[55],"nonlinear":[57],"programming":[58],"problem,":[59],"complete":[62],"search":[63,194],"procedure":[64,195],"developed":[66,196],"find":[68],"solution":[71,106],"inventory":[73,142],"cost.":[74],"characteristics":[76],"daily":[78],"necessaries,":[79],"technology":[80],"products":[81,84],"fashion":[83],"are":[85,181],"also":[86,115],"analyzed":[87],"develop":[89],"different":[90],"strategies":[91],"for":[92],"decision":[94],"makers.":[95],"proposed":[97],"algorithm":[100],"not":[101],"only":[102],"provided":[103],"period":[110],"cycle":[112],"but":[114],"gave":[116],"suggestion":[118],"market.":[127],"Moreover,":[128],"order":[130],"provide":[132],"managers":[134],"with":[135],"useful":[136],"information":[137],"impacts":[140],"cost,":[143],"Monte":[144],"Carlo":[145],"technique":[146],"used":[148],"simulate":[150],"stochastic":[152,158],"demand.":[153],"In":[154],"considering":[155],"demand,":[159],"situation":[161],"shortage":[163],"will":[164],"definitely":[165],"happen":[166],"without":[167],"or":[168],"insufficient":[169],"safe":[170],"stock.":[171],"Finally,":[172],"numerical":[174],"example":[175],"sensitivity":[179],"analyses":[180],"carried":[182],"out":[183],"illustrate":[185],"features":[187],"our":[189],"by":[191],"utilizing":[192],"this":[198],"study.":[199]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}