{"id":"https://openalex.org/W2761287442","doi":"https://doi.org/10.1007/s12351-017-0353-2","title":"An optimal approximation of the characteristics of the GI/M/1 queue with two-stage service policy","display_name":"An optimal approximation of the characteristics of the GI/M/1 queue with two-stage service policy","publication_year":2017,"publication_date":"2017-10-10","ids":{"openalex":"https://openalex.org/W2761287442","doi":"https://doi.org/10.1007/s12351-017-0353-2","mag":"2761287442"},"language":"en","primary_location":{"id":"doi:10.1007/s12351-017-0353-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s12351-017-0353-2","pdf_url":null,"source":{"id":"https://openalex.org/S140563256","display_name":"Operational Research","issn_l":"1109-2858","issn":["1109-2858","1866-1505"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Operational Research","raw_type":"journal-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/A5071610108","display_name":"Mouloud Cherfaoui","orcid":"https://orcid.org/0000-0002-7991-6948"},"institutions":[{"id":"https://openalex.org/I187560010","display_name":"University of B\u00e9ja\u00efa","ror":"https://ror.org/03yb2hp88","country_code":"DZ","type":"education","lineage":["https://openalex.org/I187560010"]},{"id":"https://openalex.org/I206961696","display_name":"University of Biskra","ror":"https://ror.org/05fr5y859","country_code":"DZ","type":"education","lineage":["https://openalex.org/I206961696"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Mouloud Cherfaoui","raw_affiliation_strings":["Department of Mathematics, University of Biskra, 07000, Biskra, Algeria","Research Unit LaMOS (Modeling and Optimization of Systems), University of Bejaia, 06000, Bejaia, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Biskra, 07000, Biskra, Algeria","institution_ids":["https://openalex.org/I206961696"]},{"raw_affiliation_string":"Research Unit LaMOS (Modeling and Optimization of Systems), University of Bejaia, 06000, Bejaia, Algeria","institution_ids":["https://openalex.org/I187560010"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001552473","display_name":"A\u00efcha Bar\u00e8che","orcid":"https://orcid.org/0000-0002-6964-0829"},"institutions":[{"id":"https://openalex.org/I187560010","display_name":"University of B\u00e9ja\u00efa","ror":"https://ror.org/03yb2hp88","country_code":"DZ","type":"education","lineage":["https://openalex.org/I187560010"]}],"countries":["DZ"],"is_corresponding":true,"raw_author_name":"Aicha Bareche","raw_affiliation_strings":["Research Unit LaMOS (Modeling and Optimization of Systems), University of Bejaia, 06000, Bejaia, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Unit LaMOS (Modeling and Optimization of Systems), University of Bejaia, 06000, Bejaia, Algeria","institution_ids":["https://openalex.org/I187560010"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5001552473"],"corresponding_institution_ids":["https://openalex.org/I187560010"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17927235,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"20","issue":"2","first_page":"959","last_page":"983"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10974","display_name":"Advanced Queuing Theory Analysis","score":0.9998000264167786,"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/T10974","display_name":"Advanced Queuing Theory Analysis","score":0.9998000264167786,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9904000163078308,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":0.9383999705314636,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/standard-deviation","display_name":"Standard deviation","score":0.6105164885520935},{"id":"https://openalex.org/keywords/queue","display_name":"Queue","score":0.5847936868667603},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.48887962102890015},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4624510109424591},{"id":"https://openalex.org/keywords/stability","display_name":"Stability (learning theory)","score":0.4344472587108612},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.433754026889801},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.4298900067806244},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.42986756563186646},{"id":"https://openalex.org/keywords/stage","display_name":"Stage (stratigraphy)","score":0.4249127209186554},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4202463924884796},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3603191375732422},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.27184611558914185},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.20820268988609314},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.18951669335365295},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16523778438568115}],"concepts":[{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.6105164885520935},{"id":"https://openalex.org/C160403385","wikidata":"https://www.wikidata.org/wiki/Q220543","display_name":"Queue","level":2,"score":0.5847936868667603},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.48887962102890015},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4624510109424591},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.4344472587108612},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.433754026889801},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.4298900067806244},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.42986756563186646},{"id":"https://openalex.org/C146357865","wikidata":"https://www.wikidata.org/wiki/Q1123245","display_name":"Stage (stratigraphy)","level":2,"score":0.4249127209186554},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4202463924884796},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3603191375732422},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27184611558914185},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.20820268988609314},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.18951669335365295},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16523778438568115},{"id":"https://openalex.org/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"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/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"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/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s12351-017-0353-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s12351-017-0353-2","pdf_url":null,"source":{"id":"https://openalex.org/S140563256","display_name":"Operational Research","issn_l":"1109-2858","issn":["1109-2858","1866-1505"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Operational Research","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:spr:operea:v:20:y:2020:i:2:d:10.1007_s12351-017-0353-2","is_oa":false,"landing_page_url":"http://link.springer.com/10.1007/s12351-017-0353-2","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":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W2493288","https://openalex.org/W35651078","https://openalex.org/W44146721","https://openalex.org/W137818693","https://openalex.org/W1482962047","https://openalex.org/W1523502176","https://openalex.org/W1534204899","https://openalex.org/W1585762234","https://openalex.org/W1963733219","https://openalex.org/W1964122966","https://openalex.org/W1966273294","https://openalex.org/W1967248759","https://openalex.org/W1968798298","https://openalex.org/W1970738610","https://openalex.org/W1982307331","https://openalex.org/W1989231174","https://openalex.org/W1990031284","https://openalex.org/W2000013404","https://openalex.org/W2005098937","https://openalex.org/W2029631728","https://openalex.org/W2032922837","https://openalex.org/W2058776615","https://openalex.org/W2060143113","https://openalex.org/W2061056970","https://openalex.org/W2075184363","https://openalex.org/W2118124373","https://openalex.org/W2131139737","https://openalex.org/W2132603151","https://openalex.org/W2135630685","https://openalex.org/W2317988884","https://openalex.org/W2329127451","https://openalex.org/W2495688089","https://openalex.org/W4241004244","https://openalex.org/W4301255068","https://openalex.org/W4386194140"],"related_works":["https://openalex.org/W2503350049","https://openalex.org/W2329386257","https://openalex.org/W118630527","https://openalex.org/W38289631","https://openalex.org/W4252337044","https://openalex.org/W2005585032","https://openalex.org/W2397616145","https://openalex.org/W2592886773","https://openalex.org/W2922142213","https://openalex.org/W4211121235"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}