{"id":"https://openalex.org/W2888175063","doi":"https://doi.org/10.1145/3233180","title":"QMLE","display_name":"QMLE","publication_year":2018,"publication_date":"2018-08-22","ids":{"openalex":"https://openalex.org/W2888175063","doi":"https://doi.org/10.1145/3233180","mag":"2888175063"},"language":"en","primary_location":{"id":"doi:10.1145/3233180","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3233180","pdf_url":null,"source":{"id":"https://openalex.org/S4210231956","display_name":"ACM Transactions on Modeling and Performance Evaluation of Computing Systems","issn_l":"2376-3639","issn":["2376-3639","2376-3647"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Modeling and Performance Evaluation of Computing Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10044/1/61497","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101748662","display_name":"Weikun Wang","orcid":"https://orcid.org/0000-0002-6560-5970"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Weikun Wang","raw_affiliation_strings":["Department of Computing, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computing, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045967404","display_name":"Giuliano Casale","orcid":"https://orcid.org/0000-0003-4548-7951"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Giuliano Casale","raw_affiliation_strings":["Department of Computing, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computing, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089220443","display_name":"Ajay Kattepur","orcid":"https://orcid.org/0000-0002-6540-1097"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ajay Kattepur","raw_affiliation_strings":["PERC, TCS Research, Patlipada, Thane West, Mumbai"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"PERC, TCS Research, Patlipada, Thane West, Mumbai","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040769022","display_name":"Manoj Nambiar","orcid":"https://orcid.org/0000-0002-8026-3235"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Manoj K. Nambiar","raw_affiliation_strings":["PERC, TCS Research, Patlipada, Thane West, Mumbai"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"PERC, TCS Research, Patlipada, Thane West, Mumbai","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6637,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.75345457,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"3","issue":"4","first_page":"1","last_page":"28"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10974","display_name":"Advanced Queuing Theory Analysis","score":0.9994000196456909,"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":0.9994000196456909,"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/T12127","display_name":"Software System Performance and Reliability","score":0.9959999918937683,"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"}},{"id":"https://openalex.org/T10138","display_name":"Network Traffic and Congestion Control","score":0.9846000075340271,"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/estimator","display_name":"Estimator","score":0.7701789140701294},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7609231472015381},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7390813827514648},{"id":"https://openalex.org/keywords/concurrency","display_name":"Concurrency","score":0.5559765696525574},{"id":"https://openalex.org/keywords/queueing-theory","display_name":"Queueing theory","score":0.4756350517272949},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.4598785936832428},{"id":"https://openalex.org/keywords/aggregate","display_name":"Aggregate (composite)","score":0.4421318769454956},{"id":"https://openalex.org/keywords/marginal-distribution","display_name":"Marginal distribution","score":0.4357702136039734},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.42921698093414307},{"id":"https://openalex.org/keywords/joint-probability-distribution","display_name":"Joint probability distribution","score":0.42582929134368896},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3703708350658417},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.36937350034713745},{"id":"https://openalex.org/keywords/random-variable","display_name":"Random variable","score":0.27300259470939636},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13717776536941528},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.108338862657547}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7701789140701294},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7609231472015381},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7390813827514648},{"id":"https://openalex.org/C193702766","wikidata":"https://www.wikidata.org/wiki/Q1414548","display_name":"Concurrency","level":2,"score":0.5559765696525574},{"id":"https://openalex.org/C22684755","wikidata":"https://www.wikidata.org/wiki/Q847526","display_name":"Queueing theory","level":2,"score":0.4756350517272949},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.4598785936832428},{"id":"https://openalex.org/C4679612","wikidata":"https://www.wikidata.org/wiki/Q866298","display_name":"Aggregate (composite)","level":2,"score":0.4421318769454956},{"id":"https://openalex.org/C165216359","wikidata":"https://www.wikidata.org/wiki/Q670653","display_name":"Marginal distribution","level":3,"score":0.4357702136039734},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.42921698093414307},{"id":"https://openalex.org/C18653775","wikidata":"https://www.wikidata.org/wiki/Q1333358","display_name":"Joint probability distribution","level":2,"score":0.42582929134368896},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3703708350658417},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.36937350034713745},{"id":"https://openalex.org/C122123141","wikidata":"https://www.wikidata.org/wiki/Q176623","display_name":"Random variable","level":2,"score":0.27300259470939636},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13717776536941528},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.108338862657547},{"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/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3233180","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3233180","pdf_url":null,"source":{"id":"https://openalex.org/S4210231956","display_name":"ACM Transactions on Modeling and Performance Evaluation of Computing Systems","issn_l":"2376-3639","issn":["2376-3639","2376-3647"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Modeling and Performance Evaluation of Computing Systems","raw_type":"journal-article"},{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/61497","is_oa":true,"landing_page_url":"http://hdl.handle.net/10044/1/61497","pdf_url":"http://hdl.handle.net/10044/1/61497","source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:zenodo.org:3505904","is_oa":true,"landing_page_url":"https://zenodo.org/record/3505904","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/61497","is_oa":true,"landing_page_url":"http://hdl.handle.net/10044/1/61497","pdf_url":"http://hdl.handle.net/10044/1/61497","source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1841733269","display_name":null,"funder_award_id":"644869 (DICE)","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G47011052","display_name":null,"funder_award_id":"EP/M009211/1 (OptiMAM)","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G6354815044","display_name":null,"funder_award_id":"EP/M009211/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W2888175063.pdf"},"referenced_works_count":47,"referenced_works":["https://openalex.org/W64372656","https://openalex.org/W1459540712","https://openalex.org/W1485420199","https://openalex.org/W1490229695","https://openalex.org/W1540219776","https://openalex.org/W1543143808","https://openalex.org/W1573034164","https://openalex.org/W1575746526","https://openalex.org/W1965673742","https://openalex.org/W1966248897","https://openalex.org/W1974110290","https://openalex.org/W1978006658","https://openalex.org/W1978746287","https://openalex.org/W1991477210","https://openalex.org/W2002580263","https://openalex.org/W2003379100","https://openalex.org/W2007018477","https://openalex.org/W2009621954","https://openalex.org/W2011660823","https://openalex.org/W2012804605","https://openalex.org/W2020689928","https://openalex.org/W2021242074","https://openalex.org/W2032218884","https://openalex.org/W2040336080","https://openalex.org/W2053115739","https://openalex.org/W2054137409","https://openalex.org/W2064550762","https://openalex.org/W2065980186","https://openalex.org/W2075729867","https://openalex.org/W2082442678","https://openalex.org/W2093663866","https://openalex.org/W2098910307","https://openalex.org/W2104110349","https://openalex.org/W2130235153","https://openalex.org/W2134150653","https://openalex.org/W2143039774","https://openalex.org/W2153819496","https://openalex.org/W2159484301","https://openalex.org/W2245490702","https://openalex.org/W2313373593","https://openalex.org/W2342179536","https://openalex.org/W2597083237","https://openalex.org/W2606258697","https://openalex.org/W2606816709","https://openalex.org/W3021900711","https://openalex.org/W3100509614","https://openalex.org/W4388322985"],"related_works":["https://openalex.org/W2383655479","https://openalex.org/W1531498639","https://openalex.org/W4243325142","https://openalex.org/W3094338031","https://openalex.org/W2031077553","https://openalex.org/W162901985","https://openalex.org/W2113818258","https://openalex.org/W2384643754","https://openalex.org/W4249404085","https://openalex.org/W2384407477"],"abstract_inverted_index":{"Estimating":[0],"the":[1,14,104,123],"demands":[2,44,82],"placed":[3],"by":[4],"services":[5],"on":[6,24,61],"physical":[7],"resources":[8,49],"is":[9],"an":[10],"essential":[11],"step":[12],"for":[13,43,68,97,103,139],"definition":[15],"of":[16,122],"performance":[17],"models.":[18],"For":[19],"example,":[20],"scalability":[21],"analysis":[22],"relies":[23],"these":[25],"parameters":[26],"to":[27,94],"predict":[28],"queueing":[29],"delays":[30],"under":[31],"increasing":[32],"loads.":[33],"In":[34],"this":[35],"article,":[36],"we":[37],"investigate":[38],"maximum":[39],"likelihood":[40,58],"(ML)":[41],"estimators":[42,75,126],"at":[45],"load-independent":[46],"and":[47,64,78,91,100,119,127,135],"load-dependent":[48,105,150],"in":[50,147],"systems":[51],"with":[52,149],"parallelism":[53],"constraints.":[54],"We":[55,71],"define":[56],"a":[57],"function":[59],"based":[60],"state":[62,86],"measurements":[63,138],"derive":[65],"necessary":[66],"conditions":[67],"its":[69],"maximization.":[70],"then":[72],"obtain":[73,80],"novel":[74],"that":[76],"accurately":[77],"inexpensively":[79],"service":[81],"using":[83],"only":[84],"aggregate":[85],"data.":[87],"With":[88],"our":[89],"approach,":[90],"also":[92,146],"thanks":[93],"approximation":[95],"methods":[96],"computing":[98],"marginal":[99],"joint":[101],"distributions":[102],"case,":[106],"confidence":[107,129],"intervals":[108,130],"can":[109],"be":[110],"rigorously":[111],"derived,":[112],"explicitly":[113],"taking":[114],"into":[115],"account":[116],"both":[117],"topology":[118],"concurrency":[120],"levels":[121],"services.":[124],"Our":[125],"their":[128],"are":[131],"validated":[132],"against":[133],"simulations":[134],"real":[136],"system":[137],"two":[140],"multi-tier":[141],"applications,":[142],"showing":[143],"high":[144],"accuracy":[145],"models":[148],"resources.":[151]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2018-08-31T00:00:00"}