{"id":"https://openalex.org/W3176443371","doi":"https://doi.org/10.1109/itw46852.2021.9457664","title":"Cache Updating Strategy Minimizing the Age of Information with Time-Varying Files\u2019 Popularities","display_name":"Cache Updating Strategy Minimizing the Age of Information with Time-Varying Files\u2019 Popularities","publication_year":2021,"publication_date":"2021-04-11","ids":{"openalex":"https://openalex.org/W3176443371","doi":"https://doi.org/10.1109/itw46852.2021.9457664","mag":"3176443371"},"language":"en","primary_location":{"id":"doi:10.1109/itw46852.2021.9457664","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itw46852.2021.9457664","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Information Theory Workshop (ITW)","raw_type":"proceedings-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/A5021894541","display_name":"Haoyue Tang","orcid":"https://orcid.org/0000-0003-1227-8715"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Haoyue Tang","raw_affiliation_strings":["Tsinghua University,Dept. of Electronic Engineering,Beijing,China","Dept. of Electronic Engineering, Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Dept. of Electronic Engineering,Beijing,China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Dept. of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032860990","display_name":"Philippe Ciblat","orcid":"https://orcid.org/0000-0002-2310-4115"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Philippe Ciblat","raw_affiliation_strings":["Tsinghua University,Dept. of Electronic Engineering,Beijing,China","Dept. of Electronic Engineering, Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Dept. of Electronic Engineering,Beijing,China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Dept. of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100379884","display_name":"Jintao Wang","orcid":"https://orcid.org/0000-0002-5245-5379"},"institutions":[{"id":"https://openalex.org/I12356871","display_name":"T\u00e9l\u00e9com Paris","ror":"https://ror.org/01naq7912","country_code":"FR","type":"education","lineage":["https://openalex.org/I12356871","https://openalex.org/I205703379","https://openalex.org/I4210145102"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Jintao Wang","raw_affiliation_strings":["Institut Polytechnique de Paris,Philippe Ciblat and Mich\u00e8le Wigger are with Telecom Paris,Palaiseau,France"],"affiliations":[{"raw_affiliation_string":"Institut Polytechnique de Paris,Philippe Ciblat and Mich\u00e8le Wigger are with Telecom Paris,Palaiseau,France","institution_ids":["https://openalex.org/I12356871"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065826035","display_name":"Mich\u00e8le Wigger","orcid":"https://orcid.org/0000-0002-6737-5427"},"institutions":[{"id":"https://openalex.org/I12356871","display_name":"T\u00e9l\u00e9com Paris","ror":"https://ror.org/01naq7912","country_code":"FR","type":"education","lineage":["https://openalex.org/I12356871","https://openalex.org/I205703379","https://openalex.org/I4210145102"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Michele Wigger","raw_affiliation_strings":["Institut Polytechnique de Paris,Philippe Ciblat and Mich\u00e8le Wigger are with Telecom Paris,Palaiseau,France"],"affiliations":[{"raw_affiliation_string":"Institut Polytechnique de Paris,Philippe Ciblat and Mich\u00e8le Wigger are with Telecom Paris,Palaiseau,France","institution_ids":["https://openalex.org/I12356871"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022958415","display_name":"Roy D. Yates","orcid":"https://orcid.org/0000-0003-4333-6607"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roy D. Yates","raw_affiliation_strings":["Rutgers University,New Brunswick,NJ,USA","Rutgers University, New Brunswick, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Rutgers University,New Brunswick,NJ,USA","institution_ids":["https://openalex.org/I102322142"]},{"raw_affiliation_string":"Rutgers University, New Brunswick, NJ, USA","institution_ids":["https://openalex.org/I102322142"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5021894541"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":1.3753,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.81872151,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":1.0,"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/T10300","display_name":"Congenital Heart Disease Studies","score":0.9731000065803528,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12079","display_name":"IoT Networks and Protocols","score":0.9402999877929688,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8356126546859741},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.8144294023513794},{"id":"https://openalex.org/keywords/markov-decision-process","display_name":"Markov decision process","score":0.5636772513389587},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.5451563596725464},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.49204275012016296},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.45691758394241333},{"id":"https://openalex.org/keywords/cache-algorithms","display_name":"Cache algorithms","score":0.4532932937145233},{"id":"https://openalex.org/keywords/dynamic-programming","display_name":"Dynamic programming","score":0.41608238220214844},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.3824641704559326},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.35950690507888794},{"id":"https://openalex.org/keywords/markov-process","display_name":"Markov process","score":0.3295442461967468},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.24289193749427795},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11777916550636292},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.09001365303993225}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8356126546859741},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.8144294023513794},{"id":"https://openalex.org/C106189395","wikidata":"https://www.wikidata.org/wiki/Q176789","display_name":"Markov decision process","level":3,"score":0.5636772513389587},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.5451563596725464},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.49204275012016296},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.45691758394241333},{"id":"https://openalex.org/C38556500","wikidata":"https://www.wikidata.org/wiki/Q13404475","display_name":"Cache algorithms","level":4,"score":0.4532932937145233},{"id":"https://openalex.org/C37404715","wikidata":"https://www.wikidata.org/wiki/Q380679","display_name":"Dynamic programming","level":2,"score":0.41608238220214844},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.3824641704559326},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.35950690507888794},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.3295442461967468},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.24289193749427795},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11777916550636292},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.09001365303993225},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/itw46852.2021.9457664","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itw46852.2021.9457664","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Information Theory Workshop (ITW)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.7900000214576721}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W570056672","https://openalex.org/W1518931405","https://openalex.org/W1997020095","https://openalex.org/W2056921512","https://openalex.org/W2107872937","https://openalex.org/W2334782222","https://openalex.org/W2742721402","https://openalex.org/W2744248483","https://openalex.org/W2744738782","https://openalex.org/W2963220642","https://openalex.org/W2963270598","https://openalex.org/W2969447045","https://openalex.org/W2971937201","https://openalex.org/W2999263473","https://openalex.org/W3010727161","https://openalex.org/W3049266556","https://openalex.org/W4237773282","https://openalex.org/W6747201523","https://openalex.org/W6767829079"],"related_works":["https://openalex.org/W4389475841","https://openalex.org/W4241327272","https://openalex.org/W2120406836","https://openalex.org/W1996214847","https://openalex.org/W2903299703","https://openalex.org/W4211224558","https://openalex.org/W2117282672","https://openalex.org/W1672382258","https://openalex.org/W2119790124","https://openalex.org/W4281791088"],"abstract_inverted_index":{"We":[0,46],"consider":[1],"updating":[2,123,139,173],"strategies":[3],"for":[4,114,146,183],"a":[5,13,17,33,42,94,104,120,155,161],"local":[6,29,78],"cache":[7,27,122],"which":[8,36,100],"downloads":[9],"time-sensitive":[10,53],"files":[11,21,54,73],"from":[12,25],"remote":[14],"server":[15],"through":[16,55,189],"bandwidth-constrained":[18],"link.":[19],"The":[20,61],"are":[22],"requested":[23,52,72],"randomly":[24],"the":[26,48,51,67,77,86,115,128,131,137,147,151,168,176],"by":[28,74,111],"users":[30],"according":[31,40],"to":[32,41,65,143],"popularity":[34],"distribution":[35],"varies":[37],"over":[38,175],"time":[39],"Markov":[43,96],"chain":[44],"structure.":[45],"measure":[47],"freshness":[49],"of":[50,58,70,130,154,158,164,170],"their":[56],"Age":[57],"Information":[59],"(AoI).":[60],"goal":[62],"is":[63,89,141,181],"then":[64],"minimize":[66],"average":[68],"AoI":[69],"all":[71,127],"appropriately":[75],"designing":[76],"cache\u2019s":[79],"downloading":[80],"strategy.":[81],"To":[82],"achieve":[83],"this":[84,112],"goal,":[85],"original":[87,132,148],"problem":[88,149],"relaxed":[90,116],"and":[91,107],"cast":[92],"into":[93],"Constrained":[95],"Decision":[97],"Problem":[98],"(CMDP),":[99],"we":[101,118,166],"solve":[102],"using":[103],"Lagrangian":[105],"approach":[106],"Linear":[108],"Programming.":[109],"Inspired":[110],"solution":[113],"problem,":[117],"propose":[119],"practical":[121,138,172],"strategy":[124,140,174,179],"that":[125],"meets":[126],"constraints":[129],"problem.":[133],"Under":[134],"certain":[135],"assumptions,":[136],"shown":[142],"be":[144],"optimal":[145,182],"in":[150],"asymptotic":[152],"regime":[153],"large":[156],"number":[157,163],"files.":[159],"For":[160],"finite":[162],"files,":[165],"show":[167],"gain":[169],"our":[171],"traditional":[177],"square-root-law":[178],"(which":[180],"fixed":[184],"non":[185],"time-varying":[186],"file":[187],"popularities)":[188],"numerical":[190],"simulations.":[191]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
