{"id":"https://openalex.org/W4317419037","doi":"https://doi.org/10.1109/vtc2022-fall57202.2022.10013053","title":"Dynamic Content Caching Based on Actor-Critic Reinforcement Learning for IoT Systems","display_name":"Dynamic Content Caching Based on Actor-Critic Reinforcement Learning for IoT Systems","publication_year":2022,"publication_date":"2022-09-01","ids":{"openalex":"https://openalex.org/W4317419037","doi":"https://doi.org/10.1109/vtc2022-fall57202.2022.10013053"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2022-fall57202.2022.10013053","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/vtc2022-fall57202.2022.10013053","pdf_url":null,"source":{"id":"https://openalex.org/S4363607792","display_name":"2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)","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/A5103221029","display_name":"Lifeng Lai","orcid":"https://orcid.org/0000-0001-8247-3554"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lifeng Lai","raw_affiliation_strings":["Harbin Institute of Technology,School of Electronic and Information Engineering,Shenzhen,China","School of Electronic and Information Engineering, Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology,School of Electronic and Information Engineering,Shenzhen,China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016793245","display_name":"Fu\u2010Chun Zheng","orcid":"https://orcid.org/0000-0003-3184-3054"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fu-Chun Zheng","raw_affiliation_strings":["Harbin Institute of Technology,School of Electronic and Information Engineering,Shenzhen,China","School of Electronic and Information Engineering, Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology,School of Electronic and Information Engineering,Shenzhen,China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056139764","display_name":"Wanli Wen","orcid":"https://orcid.org/0000-0003-3810-8466"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]},{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wanli Wen","raw_affiliation_strings":["Chongqing University,School of Microelectronics and Communication Engineering,China","School of Microelectronics and Communication Engineering, Chongqing University, China","National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Chongqing University,School of Microelectronics and Communication Engineering,China","institution_ids":["https://openalex.org/I158842170"]},{"raw_affiliation_string":"School of Microelectronics and Communication Engineering, Chongqing University, China","institution_ids":["https://openalex.org/I158842170"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077715753","display_name":"Jingjing Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingjing Luo","raw_affiliation_strings":["Harbin Institute of Technology,School of Electronic and Information Engineering,Shenzhen,China","School of Electronic and Information Engineering, Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology,School of Electronic and Information Engineering,Shenzhen,China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100447691","display_name":"Ge Li","orcid":"https://orcid.org/0000-0003-0140-0949"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ge Li","raw_affiliation_strings":["Peking University Shenzhen Graduate School,School of Electronic and Computer Engineering,Shenzhen,China","School of Electronic and Computer Engineering, Peking University Shenzhen Graduate School, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Peking University Shenzhen Graduate School,School of Electronic and Computer Engineering,Shenzhen,China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"School of Electronic and Computer Engineering, Peking University Shenzhen Graduate School, Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5103221029"],"corresponding_institution_ids":["https://openalex.org/I204983213"],"apc_list":null,"apc_paid":null,"fwci":0.4324,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.53448276,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":0.9998000264167786,"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":0.9998000264167786,"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/T11478","display_name":"Caching and Content Delivery","score":0.9990000128746033,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.989799976348877,"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/reinforcement-learning","display_name":"Reinforcement learning","score":0.8583072423934937},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8051052689552307},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.6790361404418945},{"id":"https://openalex.org/keywords/content","display_name":"Content (measure theory)","score":0.5949909687042236},{"id":"https://openalex.org/keywords/content-delivery","display_name":"Content delivery","score":0.44109103083610535},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3554813861846924},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.348739355802536},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.32501089572906494},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.27258771657943726},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.17664512991905212}],"concepts":[{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.8583072423934937},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8051052689552307},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.6790361404418945},{"id":"https://openalex.org/C2778152352","wikidata":"https://www.wikidata.org/wiki/Q5165061","display_name":"Content (measure theory)","level":2,"score":0.5949909687042236},{"id":"https://openalex.org/C2986847828","wikidata":"https://www.wikidata.org/wiki/Q269415","display_name":"Content delivery","level":2,"score":0.44109103083610535},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3554813861846924},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.348739355802536},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.32501089572906494},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.27258771657943726},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.17664512991905212},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2022-fall57202.2022.10013053","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/vtc2022-fall57202.2022.10013053","pdf_url":null,"source":{"id":"https://openalex.org/S4363607792","display_name":"2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.9100000262260437}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2108811167","https://openalex.org/W2605945764","https://openalex.org/W2803698262","https://openalex.org/W2888364888","https://openalex.org/W2966441493","https://openalex.org/W3002844053","https://openalex.org/W3038089015","https://openalex.org/W3048840613","https://openalex.org/W3048914941","https://openalex.org/W3089314236","https://openalex.org/W3125385333","https://openalex.org/W3137257456","https://openalex.org/W3178503712","https://openalex.org/W3184508684","https://openalex.org/W3203778212"],"related_works":["https://openalex.org/W4245926026","https://openalex.org/W4311097251","https://openalex.org/W2586548817","https://openalex.org/W4306904969","https://openalex.org/W2625093826","https://openalex.org/W4200598720","https://openalex.org/W2921026492","https://openalex.org/W4247463117","https://openalex.org/W2138720691","https://openalex.org/W4362501864"],"abstract_inverted_index":{"In":[0],"this":[1,123],"paper,":[2],"we":[3,86,125],"consider":[4],"the":[5,11,36,43,68,71,78,88,100,110,116,144],"dynamic":[6,30,53,89],"content":[7,31,54,90,137],"caching":[8,32,55,80,91,130],"issue":[9],"in":[10,21],"cache-enabled":[12,22,59],"Internet":[13],"of":[14,39,45,70,73,102,113,119,135],"Things":[15],"(IoT)":[16],"systems.":[17],"For":[18],"real-time":[19],"applications":[20],"IoT":[23,60],"systems,":[24],"it":[25],"is":[26],"imperative":[27],"to":[28,34,98],"design":[29,51],"schemes":[33],"reduce":[35],"energy":[37,117,153],"consumption":[38,118,154],"sensors":[40],"and":[41,66,82,115,152],"improve":[42],"freshness":[44],"information":[46],"at":[47,76],"users.":[48],"We":[49],"first":[50],"a":[52,58,94,103],"procedure":[56],"for":[57],"system":[61],"with":[62],"limited":[63],"cache":[64],"capacity":[65],"express":[67],"evolution":[69],"Age":[72],"Information":[74],"(AoI)":[75],"both":[77],"edge":[79],"node":[81],"each":[83],"user.":[84],"Then,":[85],"formulate":[87],"problem":[92],"as":[93],"Markov":[95],"Decision":[96],"Process":[97],"minimize":[99],"expectation":[101],"long-term":[104],"accumulative":[105],"cost,":[106],"which":[107],"jointly":[108],"considers":[109],"average":[111,150],"AoI":[112,151],"users":[114],"sensors.":[120],"To":[121],"solve":[122],"problem,":[124],"propose":[126],"an":[127],"actor-critic":[128],"based":[129],"algorithm":[131,146],"without":[132],"prior":[133],"knowledge":[134],"users\u2019":[136],"demands.":[138],"The":[139],"numerical":[140],"results":[141],"show":[142],"that":[143],"proposed":[145],"can":[147],"achieve":[148],"lower":[149],"than":[155],"other":[156],"baselines.":[157]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}