{"id":"https://openalex.org/W3171641020","doi":"https://doi.org/10.1109/jiot.2021.3089280","title":"Two-Layer Distributed Content Caching for Infotainment Applications in VANETs","display_name":"Two-Layer Distributed Content Caching for Infotainment Applications in VANETs","publication_year":2021,"publication_date":"2021-06-14","ids":{"openalex":"https://openalex.org/W3171641020","doi":"https://doi.org/10.1109/jiot.2021.3089280","mag":"3171641020"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2021.3089280","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2021.3089280","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://eprints.gla.ac.uk/262433/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044675295","display_name":"Zheng Xue","orcid":"https://orcid.org/0000-0003-4978-3248"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zheng Xue","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100356006","display_name":"Yang Liu","orcid":"https://orcid.org/0000-0002-8613-0425"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Liu","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101882476","display_name":"Guojun Han","orcid":"https://orcid.org/0000-0003-2480-8066"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guojun Han","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017467726","display_name":"Ferheen Ayaz","orcid":"https://orcid.org/0000-0003-3905-675X"},"institutions":[{"id":"https://openalex.org/I162608824","display_name":"University of Sussex","ror":"https://ror.org/00ayhx656","country_code":"GB","type":"education","lineage":["https://openalex.org/I162608824"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ferheen Ayaz","raw_affiliation_strings":["Department of Engineering and Design, University of Sussex, Brighton, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Engineering and Design, University of Sussex, Brighton, U.K","institution_ids":["https://openalex.org/I162608824"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082900845","display_name":"Zhengguo Sheng","orcid":"https://orcid.org/0000-0003-2143-4003"},"institutions":[{"id":"https://openalex.org/I162608824","display_name":"University of Sussex","ror":"https://ror.org/00ayhx656","country_code":"GB","type":"education","lineage":["https://openalex.org/I162608824"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Zhengguo Sheng","raw_affiliation_strings":["Department of Engineering and Design, University of Sussex, Brighton, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Engineering and Design, University of Sussex, Brighton, U.K","institution_ids":["https://openalex.org/I162608824"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067632093","display_name":"Yonghua Wang","orcid":"https://orcid.org/0000-0002-0051-7224"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yonghua Wang","raw_affiliation_strings":["School of Automation, Guangdong University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Automation, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5044675295"],"corresponding_institution_ids":["https://openalex.org/I139024713"],"apc_list":null,"apc_paid":null,"fwci":3.3606,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.92356978,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"9","issue":"3","first_page":"1696","last_page":"1711"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","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/T11478","display_name":"Caching and Content Delivery","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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9983999729156494,"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9965000152587891,"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/computer-science","display_name":"Computer science","score":0.8592525124549866},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7140740156173706},{"id":"https://openalex.org/keywords/layer","display_name":"Layer (electronics)","score":0.5558192729949951}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8592525124549866},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7140740156173706},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.5558192729949951},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","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}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/jiot.2021.3089280","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2021.3089280","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","raw_type":"journal-article"},{"id":"pmh:oai:eprints.gla.ac.uk:262433","is_oa":true,"landing_page_url":"http://eprints.gla.ac.uk/262433/","pdf_url":null,"source":{"id":"https://openalex.org/S4210235606","display_name":"ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam)","issn_l":"2622-8912","issn":["2622-8912","2622-8920"],"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":"","raw_type":"Articles"},{"id":"pmh:oai:figshare.com:article/23482253","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Two-layer_distributed_content_caching_for_infotainment_applications_in_VANETs/23482253","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:sro.sussex.ac.uk:99757","is_oa":false,"landing_page_url":"http://sro.sussex.ac.uk/id/eprint/99757/1/2021_IEEE%20IoTJ_Caching%20Scheme%20in%20VANETs.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400129","display_name":"Sussex Research Online (University of Sussex)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I162608824","host_organization_name":"University of Sussex","host_organization_lineage":["https://openalex.org/I162608824"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:eprints.gla.ac.uk:262433","is_oa":true,"landing_page_url":"http://eprints.gla.ac.uk/262433/","pdf_url":null,"source":{"id":"https://openalex.org/S4210235606","display_name":"ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam)","issn_l":"2622-8912","issn":["2622-8912","2622-8920"],"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":"","raw_type":"Articles"},"sustainable_development_goals":[{"score":0.5199999809265137,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G1477544716","display_name":null,"funder_award_id":"Guangdong","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G187530476","display_name":null,"funder_award_id":"2014A","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2476965663","display_name":null,"funder_award_id":"U2001203","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"},{"id":"https://openalex.org/G2812732929","display_name":null,"funder_award_id":"2014A03031026","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3774914264","display_name":null,"funder_award_id":"62071131","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4872515621","display_name":null,"funder_award_id":"2014A03031","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G599531952","display_name":null,"funder_award_id":"U2001203","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6686995610","display_name":null,"funder_award_id":"2014A","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8244040654","display_name":null,"funder_award_id":"61871136","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8790774395","display_name":null,"funder_award_id":"2014A030310266","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321921","display_name":"Natural Science Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1964590153","https://openalex.org/W2075453005","https://openalex.org/W2089910489","https://openalex.org/W2108710284","https://openalex.org/W2112053513","https://openalex.org/W2291125541","https://openalex.org/W2462138333","https://openalex.org/W2585631449","https://openalex.org/W2618472377","https://openalex.org/W2625133885","https://openalex.org/W2736175869","https://openalex.org/W2750602456","https://openalex.org/W2786280301","https://openalex.org/W2797697435","https://openalex.org/W2804071591","https://openalex.org/W2806372144","https://openalex.org/W2902215693","https://openalex.org/W2904315027","https://openalex.org/W2917137066","https://openalex.org/W2937286339","https://openalex.org/W2964316812","https://openalex.org/W2969767415","https://openalex.org/W2973913543","https://openalex.org/W2978510400","https://openalex.org/W2981618170","https://openalex.org/W2986271133","https://openalex.org/W2988035901","https://openalex.org/W3004195166","https://openalex.org/W3010139858","https://openalex.org/W3010915235","https://openalex.org/W3010943366","https://openalex.org/W3011080902","https://openalex.org/W3011242242","https://openalex.org/W3013899205","https://openalex.org/W3027654211","https://openalex.org/W3027857024","https://openalex.org/W3036476655","https://openalex.org/W3037713526"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"For":[0],"vehicular":[1],"<italic":[2],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[3],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">ad":[4],"hoc</i>":[5],"networks":[6],"(VANETs),":[7],"edge":[8],"caching":[9,33,54,138,142,176],"has":[10],"attracted":[11],"considerable":[12],"research":[13],"attention":[14],"to":[15,56,80,102,119,173],"maximize":[16],"the":[17,40,52,58,87,97,109,121,132,136,145,159,174],"efficiency":[18],"and":[19,45,62,71,93,129,144,148,155],"reliability":[20],"of":[21],"infotainment":[22],"applications.":[23],"In":[24,83],"this":[25],"article,":[26],"we":[27,50,85,95,111],"propose":[28,72,113],"a":[29,65,114,168],"two-layer":[30],"distributed":[31],"content":[32,53],"scheme":[34,139],"for":[35],"VANETs":[36],"by":[37,153,165],"jointly":[38],"exploiting":[39],"cache":[41],"at":[42],"both":[43],"vehicles":[44],"roadside":[46],"units":[47],"(RSUs).":[48],"Specifically,":[49],"formulate":[51],"problem":[55,70,89],"minimize":[57],"overall":[59],"transmission":[60,146],"delay":[61,147],"cost":[63,149],"as":[64,171],"nonlinear":[66],"integer":[67],"programming":[68,76,99],"(NLIP)":[69],"an":[73],"alternate":[74],"dynamic":[75,98],"search":[77],"(ADPS)-based":[78],"algorithm":[79,118],"solve":[81,103,120],"it.":[82],"ADPS,":[84],"divide":[86],"original":[88,123],"into":[90],"three":[91],"subproblems":[92],"then":[94],"use":[96],"(DP)":[100],"method":[101],"each":[104],"subproblem":[105],"separately.":[106],"To":[107],"reduce":[108],"complexity,":[110],"further":[112],"cooperation-based":[115],"greedy":[116],"(CBG)":[117],"large-scale":[122],"problem.":[124],"Both":[125],"numerical":[126],"simulation":[127],"results":[128],"experiments":[130],"in":[131,167],"testbed":[133],"show":[134],"that":[135],"proposed":[137],"outperforms":[140],"existed":[141],"schemes,":[143],"can":[150,162],"be":[151,163],"reduced":[152],"10%":[154],"24%,":[156],"respectively,":[157],"while":[158],"hit":[160],"ratio":[161],"increased":[164],"30%":[166],"practical":[169],"environment,":[170],"compared":[172],"popularity-based":[175],"scheme.":[177]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":5}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
