{"id":"https://openalex.org/W2898484059","doi":"https://doi.org/10.1109/tvt.2018.2877645","title":"Caching D2D Connections in Small-Cell Networks","display_name":"Caching D2D Connections in Small-Cell Networks","publication_year":2018,"publication_date":"2018-10-24","ids":{"openalex":"https://openalex.org/W2898484059","doi":"https://doi.org/10.1109/tvt.2018.2877645","mag":"2898484059"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2018.2877645","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2018.2877645","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","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/A5100656619","display_name":"Nan Zhao","orcid":"https://orcid.org/0000-0002-6497-7799"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]},{"id":"https://openalex.org/I4210092944","display_name":"Dalian University","ror":"https://ror.org/00g2ypp58","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210092944"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Nan Zhao","raw_affiliation_strings":["Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China","institution_ids":["https://openalex.org/I4210092944","https://openalex.org/I27357992"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100684380","display_name":"Xiaonan Liu","orcid":"https://orcid.org/0000-0002-8690-868X"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]},{"id":"https://openalex.org/I4210092944","display_name":"Dalian University","ror":"https://ror.org/00g2ypp58","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210092944"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaonan Liu","raw_affiliation_strings":["Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China","institution_ids":["https://openalex.org/I4210092944","https://openalex.org/I27357992"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102013387","display_name":"Yunfei Chen","orcid":"https://orcid.org/0000-0001-8083-1805"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yunfei Chen","raw_affiliation_strings":["School of Engineering, University of Warwick, Coventry, U.K"],"affiliations":[{"raw_affiliation_string":"School of Engineering, University of Warwick, Coventry, U.K","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112438487","display_name":"Shun Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shun Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100697315","display_name":"Zan Li","orcid":"https://orcid.org/0000-0002-5207-6504"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zan Li","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019395532","display_name":"Bingcai Chen","orcid":"https://orcid.org/0000-0001-7158-6537"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]},{"id":"https://openalex.org/I4210092944","display_name":"Dalian University","ror":"https://ror.org/00g2ypp58","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210092944"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bingcai Chen","raw_affiliation_strings":["Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China","institution_ids":["https://openalex.org/I4210092944","https://openalex.org/I27357992"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083193286","display_name":"Mohamed\u2010Slim Alouini","orcid":"https://orcid.org/0000-0003-4827-1793"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohamed-Slim Alouini","raw_affiliation_strings":["Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100656619"],"corresponding_institution_ids":["https://openalex.org/I27357992","https://openalex.org/I4210092944"],"apc_list":null,"apc_paid":null,"fwci":7.2284,"has_fulltext":false,"cited_by_count":56,"citation_normalized_percentile":{"value":0.97353938,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"67","issue":"12","first_page":"12326","last_page":"12338"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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":0.9998999834060669,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9836999773979187,"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"}},{"id":"https://openalex.org/T12238","display_name":"Green IT and Sustainability","score":0.9825999736785889,"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":0.812606930732727},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.8096064925193787},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.7630385160446167},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7102724313735962},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6310731172561646},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.6158227324485779},{"id":"https://openalex.org/keywords/small-cell","display_name":"Small cell","score":0.5724438428878784},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.47449254989624023},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.45661821961402893},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.42720746994018555},{"id":"https://openalex.org/keywords/stochastic-geometry","display_name":"Stochastic geometry","score":0.4242556691169739},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.34764569997787476},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2997191548347473},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.1320258378982544},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.08468139171600342}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.812606930732727},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.8096064925193787},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.7630385160446167},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7102724313735962},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6310731172561646},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.6158227324485779},{"id":"https://openalex.org/C179655311","wikidata":"https://www.wikidata.org/wiki/Q7543020","display_name":"Small cell","level":3,"score":0.5724438428878784},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.47449254989624023},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.45661821961402893},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.42720746994018555},{"id":"https://openalex.org/C31243852","wikidata":"https://www.wikidata.org/wiki/Q1666739","display_name":"Stochastic geometry","level":2,"score":0.4242556691169739},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.34764569997787476},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2997191548347473},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.1320258378982544},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08468139171600342},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/tvt.2018.2877645","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2018.2877645","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","raw_type":"journal-article"},{"id":"pmh:oai:wrap.warwick.ac.uk:109634","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306400665","display_name":"Warwick Research Archive Portal (University of Warwick)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I39555362","host_organization_name":"University of Warwick","host_organization_lineage":["https://openalex.org/I39555362"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:repository.kaust.edu.sa:10754/629723","is_oa":false,"landing_page_url":"http://hdl.handle.net/10754/629723","pdf_url":null,"source":{"id":"https://openalex.org/S4306401596","display_name":"King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71920554","host_organization_name":"King Abdullah University of Science and Technology","host_organization_lineage":["https://openalex.org/I71920554"],"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"},{"id":"pmh:oai:wrap.warwick.ac.uk:121017","is_oa":false,"landing_page_url":"http://wrap.warwick.ac.uk/121017/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400665","display_name":"Warwick Research Archive Portal (University of Warwick)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I39555362","host_organization_name":"University of Warwick","host_organization_lineage":["https://openalex.org/I39555362"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6873930615","display_name":null,"funder_award_id":"61771089","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7317807599","display_name":null,"funder_award_id":"DUT17JC43","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7825498360","display_name":null,"funder_award_id":"61871065","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/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W1481341908","https://openalex.org/W1611674276","https://openalex.org/W1960633731","https://openalex.org/W1972205959","https://openalex.org/W1972738071","https://openalex.org/W2024934110","https://openalex.org/W2039124714","https://openalex.org/W2045907783","https://openalex.org/W2054581561","https://openalex.org/W2056916045","https://openalex.org/W2073962873","https://openalex.org/W2109538160","https://openalex.org/W2114215575","https://openalex.org/W2125986229","https://openalex.org/W2126860621","https://openalex.org/W2135647107","https://openalex.org/W2211648482","https://openalex.org/W2213621529","https://openalex.org/W2222512263","https://openalex.org/W2301955098","https://openalex.org/W2511171290","https://openalex.org/W2517992291","https://openalex.org/W2519564973","https://openalex.org/W2520511335","https://openalex.org/W2562105430","https://openalex.org/W2573088931","https://openalex.org/W2574909376","https://openalex.org/W2595167321","https://openalex.org/W2604281498","https://openalex.org/W2606107937","https://openalex.org/W2613269360","https://openalex.org/W2735001730","https://openalex.org/W2753941074","https://openalex.org/W2772149718","https://openalex.org/W2779225276","https://openalex.org/W2783103509","https://openalex.org/W2788499634","https://openalex.org/W2789577759","https://openalex.org/W2791890302","https://openalex.org/W2807926199","https://openalex.org/W2839188019","https://openalex.org/W2896837663","https://openalex.org/W2912862452","https://openalex.org/W2963155944","https://openalex.org/W2964000600","https://openalex.org/W3098552807","https://openalex.org/W3099485648","https://openalex.org/W3100082866","https://openalex.org/W3103426447","https://openalex.org/W3103833233","https://openalex.org/W4292692470","https://openalex.org/W6759475849"],"related_works":["https://openalex.org/W1984184009","https://openalex.org/W2906618418","https://openalex.org/W2191948661","https://openalex.org/W4385885171","https://openalex.org/W4386850052","https://openalex.org/W4387870308","https://openalex.org/W3042852196","https://openalex.org/W3176065809","https://openalex.org/W2560750255","https://openalex.org/W2075774919"],"abstract_inverted_index":{"Small-cell":[0],"network":[1],"is":[2,51,100,145],"a":[3,28,48],"promising":[4],"solution":[5],"to":[6,103,106,154,191],"high":[7],"video":[8,124],"traffic.":[9],"However,":[10],"with":[11,161,170],"the":[12,20,57,64,88,104,108,113,127,134,139,156,171,193,196],"increasing":[13],"number":[14],"of":[15,112,142,158,173,195],"devices,":[16],"it":[17],"cannot":[18],"meet":[19],"requirements":[21],"from":[22,126,133],"all":[23],"users.":[24],"Thus,":[25,70,116],"we":[26],"propose":[27],"caching":[29,38,98],"device-to-device":[30],"(D2D)":[31],"scheme":[32,99],"for":[33,180],"small-cell":[34,135],"networks,":[35],"in":[36,147],"which":[37,85],"placement":[39],"and":[40,56,177,183],"D2D":[41,72,114,143,159],"establishment":[42],"are":[43,168,189],"combined.":[44],"In":[45],"this":[46],"scheme,":[47],"limited":[49],"cache":[50,66],"equipped":[52],"at":[53,63,129],"each":[54],"user,":[55],"popular":[58],"files":[59,125],"can":[60,74,120],"be":[61,75],"prefetched":[62],"local":[65],"during":[67,77],"off-peak":[68],"period.":[69],"dense":[71],"connections":[73],"established":[76],"peak":[78],"time":[79],"aided":[80],"by":[81],"these":[82],"cached":[83],"users,":[84],"will":[86],"reduce":[87],"backhaul":[89],"pressure":[90],"significantly.":[91],"To":[92],"do":[93],"this,":[94],"first,":[95],"an":[96],"optimal":[97],"formulated":[101],"according":[102],"popularity":[105],"maximize":[107,155],"total":[109],"offloading":[110],"probability":[111],"system.":[115],"most":[117],"edge":[118],"users":[119,130],"obtain":[121],"their":[122],"required":[123],"caches":[128],"nearby,":[131],"instead":[132],"base":[136],"station.":[137],"Then,":[138],"sum":[140],"rate":[141],"links":[144,160],"analyzed":[146],"different":[148],"signal-to-noise":[149],"ratio":[150],"(SNR)":[151],"regions.":[152],"Furthermore,":[153],"throughput":[157],"low":[162],"complexity,":[163],"three":[164],"D2D-link":[165],"scheduling":[166],"schemes":[167],"proposed":[169,197],"help":[172],"bipartite":[174],"graph":[175],"theory":[176],"Kuhn-Munkres":[178],"algorithm":[179],"low,":[181],"high,":[182],"medium":[184],"SNRs,":[185],"respectively.":[186],"Simulation":[187],"results":[188],"presented":[190],"show":[192],"effectiveness":[194],"scheme.":[198]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":14},{"year":2019,"cited_by_count":11}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
