{"id":"https://openalex.org/W4206534637","doi":"https://doi.org/10.1109/jiot.2021.3134964","title":"Real-Time Search-Driven Caching for Sensing Data in Vehicular Networks","display_name":"Real-Time Search-Driven Caching for Sensing Data in Vehicular Networks","publication_year":2021,"publication_date":"2021-12-14","ids":{"openalex":"https://openalex.org/W4206534637","doi":"https://doi.org/10.1109/jiot.2021.3134964"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2021.3134964","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2021.3134964","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5054192954","display_name":"Mingliu Liu","orcid":"https://orcid.org/0000-0002-4101-3938"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mingliu Liu","raw_affiliation_strings":["School of Electronic Information, Wuhan University, Wuhan, China","Electric Power Research Institute, State Grid Hubei Electric Power Research Institute, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Information, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]},{"raw_affiliation_string":"Electric Power Research Institute, State Grid Hubei Electric Power Research Institute, Wuhan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057131605","display_name":"Deshi Li","orcid":"https://orcid.org/0000-0002-8188-9379"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Deshi Li","raw_affiliation_strings":["School of Electronic Information, Wuhan University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Information, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008740845","display_name":"Huaqing Wu","orcid":"https://orcid.org/0000-0002-3497-6437"},"institutions":[{"id":"https://openalex.org/I98251732","display_name":"McMaster University","ror":"https://ror.org/02fa3aq29","country_code":"CA","type":"education","lineage":["https://openalex.org/I98251732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Huaqing Wu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, McMaster University, Hamilton, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, McMaster University, Hamilton, Canada","institution_ids":["https://openalex.org/I98251732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035157184","display_name":"Feng Lyu","orcid":"https://orcid.org/0000-0002-2990-5415"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Lyu","raw_affiliation_strings":["School of Computer Science and Engineering, Central South University, Changsha, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Central South University, Changsha, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100773343","display_name":"Xuemin Shen","orcid":"https://orcid.org/0000-0002-4140-287X"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xuemin Shen","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada","institution_ids":["https://openalex.org/I151746483"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5054192954"],"corresponding_institution_ids":["https://openalex.org/I37461747"],"apc_list":null,"apc_paid":null,"fwci":0.7965,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.75592713,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"9","issue":"14","first_page":"12219","last_page":"12230"},"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":0.9718999862670898,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.968999981880188,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8825368881225586},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6652998924255371},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.5908811092376709},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.5515519976615906},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.47354263067245483},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4610516130924225},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.45264533162117004},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.4507005214691162},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.4502229392528534},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.31465983390808105},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.10298696160316467}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8825368881225586},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6652998924255371},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.5908811092376709},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5515519976615906},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.47354263067245483},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4610516130924225},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.45264533162117004},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.4507005214691162},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.4502229392528534},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.31465983390808105},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.10298696160316467},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2021.3134964","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2021.3134964","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3408046282","display_name":null,"funder_award_id":"2021JJ20079","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"},{"id":"https://openalex.org/G643121994","display_name":null,"funder_award_id":"2020M672412","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G7454312910","display_name":null,"funder_award_id":"62002389","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320322843","display_name":"Natural Science Foundation of\u00a0Hunan Province","ror":null},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1988834815","https://openalex.org/W1990881185","https://openalex.org/W2004956213","https://openalex.org/W2044481137","https://openalex.org/W2075453005","https://openalex.org/W2462260163","https://openalex.org/W2478542382","https://openalex.org/W2490965583","https://openalex.org/W2565419328","https://openalex.org/W2613324404","https://openalex.org/W2624186268","https://openalex.org/W2761608863","https://openalex.org/W2791228282","https://openalex.org/W2793523435","https://openalex.org/W2883960581","https://openalex.org/W2898642460","https://openalex.org/W2900617671","https://openalex.org/W2934046414","https://openalex.org/W2964331420","https://openalex.org/W2978357711","https://openalex.org/W2980245340","https://openalex.org/W3001729558","https://openalex.org/W3006463679","https://openalex.org/W3009858269","https://openalex.org/W3011596843","https://openalex.org/W3014297757","https://openalex.org/W3040410237","https://openalex.org/W3040668711","https://openalex.org/W3113024443","https://openalex.org/W3119693540","https://openalex.org/W3192738967","https://openalex.org/W6752946175"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W4300468626","https://openalex.org/W2907156721"],"abstract_inverted_index":{"Real-time":[0],"search":[1,28,83,103,143,162,173,235],"is":[2,74,89,130,167,183,194],"essential":[3],"for":[4,48,133],"accessing":[5],"specific":[6],"sensing":[7,49],"data":[8,24,150,219],"(SD)":[9],"in":[10,63,79,220],"vehicular":[11],"networks":[12],"to":[13,34,59,76,93,119,146,185,196,239],"support":[14],"safe,":[15],"efficient,":[16],"and":[17,38,45,51,85,105,152,175,223],"intelligent":[18,228],"road":[19],"services.":[20],"Considering":[21],"the":[22,26,43,52,61,71,82,94,102,107,121,148,156,160,164,172,187,198,203,216,227,233,240],"tremendous":[23],"volume,":[25],"SD":[27,62],"process":[29,84],"should":[30],"be":[31,77],"carefully":[32],"devised":[33],"avoid":[35],"excessive":[36],"retrieval":[37],"transmission":[39],"delay.":[40,154],"To":[41,100],"alleviate":[42],"communication":[44],"computational":[46,199],"burden":[47],"devices":[50],"cloud":[53],"server,":[54],"roadside":[55],"edges":[56],"are":[57,211],"adopted":[58],"cache":[60],"advance.":[64],"Given":[65],"a":[66,113,142],"short":[67],"lifetime":[68],"of":[69,96,158,206],"SD,":[70],"caching":[72,108,116,180,207],"scheme":[73],"required":[75],"efficient":[78],"facilitating":[80],"both":[81],"uplink/downlink":[86],"transmission,":[87],"which":[88,138],"quite":[90],"challenging":[91],"due":[92],"coupling":[95],"resource":[97,109],"allocation":[98],"decisions.":[99],"guarantee":[101],"efficacy":[104],"enhance":[106],"utilization,":[110],"we":[111,139],"propose":[112],"real-time":[114,234],"search-driven":[115],"(RSC)":[117],"paradigm":[118],"enable":[120],"cooperation":[122],"among":[123],"storage-constrained":[124],"edges.":[125],"A":[126,178],"hierarchical":[127],"indexing":[128],"framework":[129],"first":[131],"introduced":[132,195],"cached":[134],"data,":[135],"based":[136,214],"on":[137,215],"then":[140],"devise":[141],"utility":[144,176],"model":[145],"quantify":[147],"expected":[149],"freshness":[151],"response":[153],"With":[155],"objective":[157],"maximizing":[159],"long-term":[161],"reward,":[163],"RSC":[165],"problem":[166],"formulated":[168],"by":[169],"jointly":[170],"considering":[171],"requests":[174],"model.":[177],"deep-reinforcement-learning-based":[179],"(DRLC)":[181],"method":[182,230],"proposed":[184],"solve":[186],"problem.":[188],"Specifically,":[189],"an":[190],"action":[191],"transition":[192],"module":[193],"lower":[197],"complexity":[200],"via":[201],"reducing":[202],"selection":[204],"space":[205],"actions.":[208],"Extensive":[209],"simulations":[210],"carried":[212],"out":[213],"real":[217],"trace":[218],"Creteil,":[221],"France,":[222],"results":[224],"show":[225],"that":[226],"DRLC":[229],"can":[231],"improve":[232],"performance":[236],"significantly":[237],"comparing":[238],"benchmark":[241],"methods.":[242]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}