{"id":"https://openalex.org/W3192738967","doi":"https://doi.org/10.1109/icc42927.2021.9500777","title":"Cooperative Edge-Cloud Caching for Real-time Sensing Big Data Search in Vehicular Networks","display_name":"Cooperative Edge-Cloud Caching for Real-time Sensing Big Data Search in Vehicular Networks","publication_year":2021,"publication_date":"2021-06-01","ids":{"openalex":"https://openalex.org/W3192738967","doi":"https://doi.org/10.1109/icc42927.2021.9500777","mag":"3192738967"},"language":"en","primary_location":{"id":"doi:10.1109/icc42927.2021.9500777","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc42927.2021.9500777","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2021 - IEEE International Conference on Communications","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/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":["Wuhan University,School of Electronic Information,Wuhan,China","School of Electronic Information, Wuhan University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Wuhan University,School of Electronic Information,Wuhan,China","institution_ids":["https://openalex.org/I37461747"]},{"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/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":["Wuhan University,School of Electronic Information,Wuhan,China","School of Electronic Information, Wuhan University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Wuhan University,School of Electronic Information,Wuhan,China","institution_ids":["https://openalex.org/I37461747"]},{"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/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":"Huaqing Wu","raw_affiliation_strings":["University of Waterloo,Department of Electrical and Computer Engineering,Waterloo,Canada","Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada"],"affiliations":[{"raw_affiliation_string":"University of Waterloo,Department of Electrical and Computer Engineering,Waterloo,Canada","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada","institution_ids":["https://openalex.org/I151746483"]}]},{"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":["Central South University,School of Computer Science and Engineering,Changsha,China","School of Computer Science and Engineering, Central South University, Changsha, China"],"affiliations":[{"raw_affiliation_string":"Central South University,School of Computer Science and Engineering,Changsha,China","institution_ids":["https://openalex.org/I139660479"]},{"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 Sherman Shen","raw_affiliation_strings":["University of Waterloo,Department of Electrical and Computer Engineering,Waterloo,Canada","Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada"],"affiliations":[{"raw_affiliation_string":"University of Waterloo,Department of Electrical and Computer Engineering,Waterloo,Canada","institution_ids":["https://openalex.org/I151746483"]},{"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":0.4584,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.6535436,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"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/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":0.9932000041007996,"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":0.9919000267982483,"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":0.8621726036071777},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.7260016202926636},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.6450330018997192},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.6028484106063843},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.568189799785614},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5662645101547241},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.5457319021224976},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4573492407798767},{"id":"https://openalex.org/keywords/edge-computing","display_name":"Edge computing","score":0.4444526731967926},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4356004595756531},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4294908344745636},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.413227379322052},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.36217331886291504},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.09261801838874817}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8621726036071777},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.7260016202926636},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.6450330018997192},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.6028484106063843},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.568189799785614},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5662645101547241},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5457319021224976},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4573492407798767},{"id":"https://openalex.org/C2778456923","wikidata":"https://www.wikidata.org/wiki/Q5337692","display_name":"Edge computing","level":3,"score":0.4444526731967926},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4356004595756531},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4294908344745636},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.413227379322052},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.36217331886291504},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.09261801838874817},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"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/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","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/icc42927.2021.9500777","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc42927.2021.9500777","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2021 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"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/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1988834815","https://openalex.org/W2044481137","https://openalex.org/W2075453005","https://openalex.org/W2478542382","https://openalex.org/W2490965583","https://openalex.org/W2613324404","https://openalex.org/W2624186268","https://openalex.org/W2791228282","https://openalex.org/W2793523435","https://openalex.org/W2883960581","https://openalex.org/W2900617671","https://openalex.org/W2934046414","https://openalex.org/W2964331420","https://openalex.org/W2978357711","https://openalex.org/W3001729558","https://openalex.org/W3006463679","https://openalex.org/W3009858269","https://openalex.org/W3014297757","https://openalex.org/W3040668711","https://openalex.org/W6752946175"],"related_works":["https://openalex.org/W2942586735","https://openalex.org/W2534668683","https://openalex.org/W3211931762","https://openalex.org/W4225757241","https://openalex.org/W3126507566","https://openalex.org/W4322706603","https://openalex.org/W4385414328","https://openalex.org/W4376106090","https://openalex.org/W4302794750","https://openalex.org/W4362544294"],"abstract_inverted_index":{"Real-time":[0,152],"sensing":[1,23,53,69],"data":[2,20,25,48,54,113,139,185],"access":[3],"is":[4,74,89,107,156],"essential":[5],"for":[6,122],"vehicular":[7],"networks":[8],"to":[9,32,56,59,76,92,110,135,159,167,192],"support":[10],"safe,":[11],"efficient,":[12],"and":[13,45,85,141,187],"intelligent":[14],"road":[15],"services.":[16],"Considering":[17],"the":[18,22,42,47,52,60,71,82,93,137,147,169,176,184,193],"tremendous":[19],"volume,":[21],"big":[24],"search":[26,83,132,148],"process":[27,84],"should":[28],"be":[29,57,77],"carefully":[30],"devised":[31],"avoid":[33],"excessive":[34],"retrieval":[35],"delay.":[36,143],"Edge":[37],"caching":[38,72,105,179],"can":[39,181],"effectively":[40],"alleviate":[41],"traffic":[43],"burden":[44],"shorten":[46],"downloading":[49],"route,":[50],"where":[51],"has":[55],"uploaded":[58],"edge":[61],"in":[62,79],"advance.":[63],"Given":[64],"a":[65,118,131,150,164],"short":[66],"life-time":[67],"of":[68,95],"data,":[70,124],"scheme":[73,106,180],"required":[75],"efficient":[78],"facilitating":[80],"both":[81],"uplink/downlink":[86],"transmission,":[87],"which":[88,127],"challenging":[90],"due":[91],"coupling":[94],"resource":[96],"allocation":[97],"decisions.":[98],"In":[99],"this":[100],"paper,":[101],"an":[102],"edge-cloud":[103],"cooperative":[104,178],"proposed.":[108],"Specifically,":[109],"enable":[111],"real-time":[112],"search,":[114],"we":[115,128,162],"first":[116],"introduce":[117],"hierarchical":[119],"indexing":[120],"framework":[121],"cached":[123],"based":[125],"on":[126],"then":[129],"devise":[130,163],"utility":[133],"model":[134],"quantify":[136],"expected":[138],"freshness":[140,186],"response":[142],"Aiming":[144],"at":[145],"maximizing":[146],"utility,":[149],"Caching-assisted":[151],"Search":[153],"(CRS)":[154],"problem":[155],"formulated.":[157],"Due":[158],"its":[160],"NP-hardness,":[161],"greedy-based":[165],"algorithm":[166],"solve":[168],"CRS":[170],"problem.":[171],"Simulation":[172],"results":[173],"demonstrate":[174],"that":[175],"proposed":[177],"significantly":[182],"improve":[183],"cache":[188],"hit":[189],"ratio":[190],"comparing":[191],"benchmark":[194],"schemes.":[195]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}