{"id":"https://openalex.org/W3211856354","doi":"https://doi.org/10.1109/jsac.2021.3126052","title":"Low-Latency Federated Learning Over Wireless Channels With Differential Privacy","display_name":"Low-Latency Federated Learning Over Wireless Channels With Differential Privacy","publication_year":2021,"publication_date":"2021-11-09","ids":{"openalex":"https://openalex.org/W3211856354","doi":"https://doi.org/10.1109/jsac.2021.3126052","mag":"3211856354"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2021.3126052","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2021.3126052","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","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/A5034649717","display_name":"Kang Wei","orcid":"https://orcid.org/0000-0001-8794-2153"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kang Wei","raw_affiliation_strings":["School of Electrical and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-8794-2153","affiliations":[{"raw_affiliation_string":"School of Electrical and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100691319","display_name":"Jun Li","orcid":"https://orcid.org/0000-0002-6239-2922"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Li","raw_affiliation_strings":["School of Electrical and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-6239-2922","affiliations":[{"raw_affiliation_string":"School of Electrical and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Chuan Ma","orcid":"https://orcid.org/0000-0001-6198-9498"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuan Ma","raw_affiliation_strings":["Key Laboratory of Computer Network and Information Integration (Southeast University), Ministry of Education, Nanjing, China","School of Electrical and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-6198-9498","affiliations":[{"raw_affiliation_string":"Key Laboratory of Computer Network and Information Integration (Southeast University), Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"School of Electrical and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075722123","display_name":"Ming Ding","orcid":"https://orcid.org/0000-0002-3690-0321"},"institutions":[{"id":"https://openalex.org/I1292875679","display_name":"Commonwealth Scientific and Industrial Research Organisation","ror":"https://ror.org/03qn8fb07","country_code":"AU","type":"government","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4387156119"]},{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ming Ding","raw_affiliation_strings":["Data61, CSIRO, Sydney, NSW, Australia"],"raw_orcid":"https://orcid.org/0000-0002-3690-0321","affiliations":[{"raw_affiliation_string":"Data61, CSIRO, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I1292875679","https://openalex.org/I42894916"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038267080","display_name":"Cailian Chen","orcid":"https://orcid.org/0000-0001-6533-8713"},"institutions":[{"id":"https://openalex.org/I1327237609","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934","country_code":"CN","type":"government","lineage":["https://openalex.org/I1327237609","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cailian Chen","raw_affiliation_strings":["Department of Automation, Shanghai Jiao Tong University, Shanghai, China","Key Laboratory of System Control and Information Processing, Ministry of Education of China, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-6533-8713","affiliations":[{"raw_affiliation_string":"Department of Automation, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Key Laboratory of System Control and Information Processing, Ministry of Education of China, Shanghai, China","institution_ids":["https://openalex.org/I1327237609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013079905","display_name":"Shi Jin","orcid":"https://orcid.org/0000-0003-0271-6021"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shi Jin","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-0271-6021","affiliations":[{"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/A5063667378","display_name":"Zhu Han","orcid":"https://orcid.org/0000-0002-6606-5822"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]},{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["KR","US"],"is_corresponding":false,"raw_author_name":"Zhu Han","raw_affiliation_strings":["Department of Computer Science and Engineering, Kyung Hee University, Seoul, South Korea","Department of Electrical and Computer Engineering, University of Houston, Houston, TX, USA"],"raw_orcid":"https://orcid.org/0000-0002-6606-5822","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Kyung Hee University, Seoul, South Korea","institution_ids":["https://openalex.org/I35928602"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042307561","display_name":"H. Vincent Poor","orcid":"https://orcid.org/0000-0002-2062-131X"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. Vincent Poor","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ, USA"],"raw_orcid":"https://orcid.org/0000-0002-2062-131X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ, USA","institution_ids":["https://openalex.org/I20089843"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":9,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2045,"currency":"USD","value_usd":2045},"apc_paid":null,"fwci":11.0694,"has_fulltext":false,"cited_by_count":109,"citation_normalized_percentile":{"value":0.98624615,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":100},"biblio":{"volume":"40","issue":"1","first_page":"290","last_page":"307"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9962000250816345,"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/T10237","display_name":"Cryptography and Data Security","score":0.9872999787330627,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.8904770016670227},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.7630667686462402},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6169189214706421},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5332626104354858},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.4939420819282532},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3257151246070862},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.31694111227989197},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.0935208797454834}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8904770016670227},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.7630667686462402},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6169189214706421},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5332626104354858},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.4939420819282532},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3257151246070862},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31694111227989197},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.0935208797454834}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2021.3126052","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2021.3126052","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1049029497","display_name":null,"funder_award_id":"62002170","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1697921795","display_name":"Collaborative Research: SWIFT: Nonlinear and Inseparable Radar And Data (NIRAD) Transmission Framework for Pareto Efficient Spectrum Access in Future Wireless Networks","funder_award_id":"2128368","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G1705705081","display_name":null,"funder_award_id":"61933009","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2276391916","display_name":"\u4e0b\u4e00\u4ee3\u5f02\u6784\u8702\u7a9d\u7f51\u7edc\u4e2d\u9762\u5411\u79fb\u52a8\u8fb9\u7f18\u8ba1\u7b97\u67b6\u6784\u7684\u8ba1\u7b97\u8fc1\u79fb\u6280\u672f\u7814\u7a76","funder_award_id":"61872184","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3064392071","display_name":null,"funder_award_id":"30919011274","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G4996318773","display_name":null,"funder_award_id":"19XD1421800","funder_id":"https://openalex.org/F4320335796","funder_display_name":"Program of Shanghai Academic Research Leader"},{"id":"https://openalex.org/G5605764086","display_name":null,"funder_award_id":"62025305","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5975822635","display_name":"Collaborative Research: CNS Core: Medium:  Exploiting New Degrees-of-Freedom in Wireless Networks with Reprogrammable Intelligent Metagratings","funder_award_id":"2107216","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6555637624","display_name":null,"funder_award_id":"61625106","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320316620","display_name":"Amazon Catalyst","ror":"https://ror.org/04mv4n011"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322622","display_name":"Toyota Motor Corporation","ror":"https://ror.org/02zqm6r10"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null},{"id":"https://openalex.org/F4320335796","display_name":"Program of Shanghai Academic Research Leader","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1484040084","https://openalex.org/W2027595342","https://openalex.org/W2061641373","https://openalex.org/W2076554191","https://openalex.org/W2473418344","https://openalex.org/W2750384547","https://openalex.org/W2793020708","https://openalex.org/W2836883261","https://openalex.org/W2912161124","https://openalex.org/W2945086780","https://openalex.org/W2946404126","https://openalex.org/W2962741900","https://openalex.org/W2963318081","https://openalex.org/W2964886934","https://openalex.org/W2967314080","https://openalex.org/W2975156709","https://openalex.org/W2990239018","https://openalex.org/W2990738158","https://openalex.org/W3000465071","https://openalex.org/W3002080107","https://openalex.org/W3006403513","https://openalex.org/W3013124972","https://openalex.org/W3016632787","https://openalex.org/W3021654819","https://openalex.org/W3024155825","https://openalex.org/W3033403733","https://openalex.org/W3038426846","https://openalex.org/W3081130510","https://openalex.org/W3089655738","https://openalex.org/W3090615085","https://openalex.org/W3094809434","https://openalex.org/W3095593352","https://openalex.org/W3095611529","https://openalex.org/W3101718285","https://openalex.org/W3101855696","https://openalex.org/W3102449016","https://openalex.org/W3108590825","https://openalex.org/W3109504587","https://openalex.org/W3111182214","https://openalex.org/W3111192549","https://openalex.org/W3118608800","https://openalex.org/W3128515475","https://openalex.org/W3131052410","https://openalex.org/W3156841666","https://openalex.org/W3209752568","https://openalex.org/W4292025355","https://openalex.org/W4301852635","https://openalex.org/W6743688258","https://openalex.org/W6787972765"],"related_works":["https://openalex.org/W3038283795","https://openalex.org/W2604501336","https://openalex.org/W2558166297","https://openalex.org/W2734500670","https://openalex.org/W2315671126","https://openalex.org/W798507144","https://openalex.org/W2964481303","https://openalex.org/W1751413323","https://openalex.org/W1970141429","https://openalex.org/W2571704763"],"abstract_inverted_index":{"In":[0,44,202],"federated":[1],"learning":[2],"(FL),":[3],"model":[4],"training":[5,52,60,110],"is":[6],"distributed":[7],"over":[8,54,224,257],"clients":[9,91],"and":[10,40,100,112,167,247],"local":[11],"models":[12,23],"are":[13,89,237,261],"aggregated":[14],"by":[15,58,141,194],"a":[16,76,117,132,163,171,191,221],"central":[17],"server.":[18],"The":[19],"performance":[20,61,111,200,256],"of":[21,42,175,213,227,243,250],"uploaded":[22],"in":[24,75],"such":[25],"situations":[26],"can":[27,179],"vary":[28],"widely":[29],"due":[30],"to":[31,49,82,131,158,239],"imbalanced":[32],"data":[33],"distributions,":[34],"potential":[35],"demands":[36],"on":[37,108,121,209,253],"privacy":[38,68],"protections,":[39],"quality":[41],"transmissions.":[43],"this":[45,73,159,214],"paper,":[46],"we":[47,103,127,153,204],"aim":[48],"minimize":[50],"FL":[51,217,255],"delay":[53],"wireless":[55,258],"channels,":[56],"constrained":[57],"overall":[59],"as":[62,64],"well":[63],"each":[65,113,138],"client\u2019s":[66,114],"differential":[67],"(DP)":[69],"requirement.":[70],"We":[71],"solve":[72],"problem":[74,136],"multi-agent":[77],"multi-armed":[78],"bandit":[79],"(MAMAB)":[80],"framework":[81],"deal":[83],"with":[84,144,170,184,198],"the":[85,122,129,145,177,181,188,210,225,241,248,254],"situation":[86],"where":[87],"there":[88],"multiple":[90],"confronting":[92],"different":[93],"unknown":[94],"transmission":[95],"environments,":[96],"e.g.,":[97],"channel":[98],"fading":[99],"interference.":[101],"Specifically,":[102],"first":[104],"transform":[105],"long-term":[106],"constraints":[107],"both":[109],"DP":[115],"into":[116],"virtual":[118],"queue":[119],"based":[120,216],"Lyapunov":[123],"drift":[124],"technique.":[125],"Then,":[126],"convert":[128],"MAMAB":[130,215],"max-min":[133],"bipartite":[134],"matching":[135,160,169],"at":[137],"communication":[139,228],"round,":[140],"estimating":[142],"rewards":[143],"upper":[146,207],"confidence":[147],"bound":[148,208],"(UCB)":[149],"approach.":[150],"More":[151],"importantly,":[152],"propose":[154],"two":[155],"efficient":[156],"solutions":[157],"problem,":[161],"i.e.,":[162],"modified":[164],"Hungarian":[165],"algorithm":[166],"greedy":[168],"better":[172,192],"alternative":[173],"(GMBA),":[174],"which":[176,219],"former":[178],"achieve":[180],"optimal":[182],"solution":[183],"high":[185],"complexity":[186],"while":[187],"latter":[189],"approaches":[190],"trade-off":[193],"enabling":[195],"verified":[196],"low-complexity":[197],"little":[199],"loss.":[201],"addition,":[203],"develop":[205],"an":[206],"expected":[211],"regret":[212],"framework,":[218],"shows":[220],"linear":[222],"growth":[223],"logarithm":[226],"rounds,":[229],"justifying":[230],"its":[231],"theoretical":[232],"feasibility.":[233],"Extensive":[234],"experimental":[235],"results":[236],"conducted":[238],"validate":[240],"effectiveness":[242],"our":[244],"proposed":[245],"algorithms,":[246],"impacts":[249],"various":[251],"parameters":[252],"edge":[259],"networks":[260],"also":[262],"discussed.":[263]},"counts_by_year":[{"year":2026,"cited_by_count":10},{"year":2025,"cited_by_count":20},{"year":2024,"cited_by_count":42},{"year":2023,"cited_by_count":25},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":2}],"updated_date":"2026-08-28T12:50:07.497085","created_date":"2025-10-10T00:00:00"}