{"id":"https://openalex.org/W4413887316","doi":"https://doi.org/10.1109/jiot.2025.3604465","title":"Knowledge Sharing Enhanced Clustered Federated Learning for Heterogeneous Client Data","display_name":"Knowledge Sharing Enhanced Clustered Federated Learning for Heterogeneous Client Data","publication_year":2025,"publication_date":"2025-09-01","ids":{"openalex":"https://openalex.org/W4413887316","doi":"https://doi.org/10.1109/jiot.2025.3604465"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3604465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3604465","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/A5076892263","display_name":"Yunpeng Xiao","orcid":"https://orcid.org/0000-0002-2846-3571"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yunpeng Xiao","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China"],"raw_orcid":"https://orcid.org/0000-0002-2846-3571","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]},{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yun Lu","orcid":"https://orcid.org/0009-0002-4800-0141"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yun Lu","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China"],"raw_orcid":"https://orcid.org/0009-0002-4800-0141","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]},{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112912347","display_name":"Haonan Mo","orcid":null},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haonan Mo","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]},{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101921140","display_name":"Fei Tang","orcid":"https://orcid.org/0000-0002-0048-9876"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Tang","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China"],"raw_orcid":"https://orcid.org/0000-0002-0048-9876","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]},{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002223818","display_name":"Rong Wang","orcid":"https://orcid.org/0000-0002-7963-1766"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rong Wang","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China"],"raw_orcid":"https://orcid.org/0000-0002-7963-1766","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]},{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031220156","display_name":"Guoyin Wang","orcid":"https://orcid.org/0000-0002-8521-5232"},"institutions":[{"id":"https://openalex.org/I126924076","display_name":"Chongqing Normal University","ror":"https://ror.org/01dcw5w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I126924076"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guoyin Wang","raw_affiliation_strings":["National Center for Applied Mathematics in Chongqing, Chongqing Normal University, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0002-8521-5232","affiliations":[{"raw_affiliation_string":"National Center for Applied Mathematics in Chongqing, Chongqing Normal University, Chongqing, China","institution_ids":["https://openalex.org/I126924076"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5076892263"],"corresponding_institution_ids":["https://openalex.org/I10535382"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1147878,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":"22","first_page":"48214","last_page":"48229"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9973000288009644,"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":0.9973000288009644,"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/T10203","display_name":"Recommender Systems and Techniques","score":0.9587000012397766,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9165999889373779,"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":0.86406409740448},{"id":"https://openalex.org/keywords/distributed-database","display_name":"Distributed database","score":0.47087562084198},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.4141630530357361},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3747323751449585},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.33986806869506836},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.2847428321838379}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.86406409740448},{"id":"https://openalex.org/C70061542","wikidata":"https://www.wikidata.org/wiki/Q989016","display_name":"Distributed database","level":2,"score":0.47087562084198},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.4141630530357361},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3747323751449585},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.33986806869506836},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.2847428321838379}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2025.3604465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3604465","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/G7145206591","display_name":null,"funder_award_id":"2021YFF0704102","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G8746658283","display_name":null,"funder_award_id":"CSTB2025NSCQ-LZX0148","funder_id":"https://openalex.org/F4320323172","funder_display_name":"Natural Science Foundation of Chongqing"}],"funders":[{"id":"https://openalex.org/F4320323172","display_name":"Natural Science Foundation of Chongqing","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W3091635927","https://openalex.org/W3104631511","https://openalex.org/W3178875373","https://openalex.org/W3191604281","https://openalex.org/W3198939852","https://openalex.org/W3203587904","https://openalex.org/W3213802103","https://openalex.org/W4200580682","https://openalex.org/W4200631596","https://openalex.org/W4206731046","https://openalex.org/W4220779061","https://openalex.org/W4285242894","https://openalex.org/W4310440681","https://openalex.org/W4360995590","https://openalex.org/W4382317695","https://openalex.org/W4406321599","https://openalex.org/W4406793902"],"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/W2153883657","https://openalex.org/W1977025641"],"abstract_inverted_index":{"Clustered":[0,76],"Federated":[1,77],"Learning":[2],"(CFL)":[3],"is":[4,79,101,117,138],"a":[5,65,97,112,131],"machine":[6],"learning":[7,68,137],"paradigm":[8],"that":[9,156],"balances":[10],"local":[11,18,87],"and":[12,20,35,46,96,107,150,165,179,186,194],"global":[13,30],"training":[14,124],"to":[15,82,92,103,119,140],"address":[16,62],"limited":[17],"data":[19,26,33,85,142,209],"reduce":[21],"the":[22,29,51,163,169,203],"negative":[23],"effects":[24],"of":[25,53,192,205],"heterogeneity":[27,34,99],"on":[28,162],"model.":[31],"However,":[32],"insufficient":[36],"samples":[37],"in":[38,44,144,207],"small":[39,145],"clusters":[40],"remain":[41],"key":[42],"challenges":[43],"CFL,":[45],"existing":[47],"methods":[48,161],"often":[49],"overlook":[50],"potential":[52],"cross-cluster":[54],"knowledge":[55,71],"sharing,":[56,72],"hindering":[57],"further":[58],"performance":[59],"gains.":[60],"To":[61],"these":[63],"challenges,":[64],"clustered":[66],"federated":[67],"framework":[69],"with":[70,197],"termed":[73],"KS-CFL":[74,157,172,206],"(Knowledge-Sharing":[75],"Learning),":[78],"proposed.":[80],"First,":[81],"tackle":[83],"client":[84,105,127],"heterogeneity,":[86],"model":[88,148],"gradients":[89],"are":[90],"used":[91],"extract":[93],"representative":[94],"features,":[95],"data-driven":[98],"metric":[100],"designed":[102],"identify":[104],"differences":[106],"guide":[108],"cluster":[109,121],"formation.":[110],"Second,":[111],"divisive":[113],"iterative":[114],"clustering":[115,128],"method":[116],"introduced":[118,139],"adjust":[120],"structures":[122],"during":[123],"dynamically,":[125],"improving":[126],"precision.":[129],"Finally,":[130],"weight-sharing":[132],"mechanism":[133],"inspired":[134],"by":[135,175],"multitask":[136],"mitigate":[141],"scarcity":[143],"clusters,":[146],"enhance":[147],"performance,":[149],"accelerate":[151],"convergence.":[152],"Experimental":[153],"results":[154,201],"show":[155],"outperforms":[158],"state-of-the-art":[159],"CFL":[160],"CIFAR-10":[164],"FEMNIST":[166],"datasets.":[167],"In":[168],"FEMNIST-D2":[170],"scenario,":[171],"improves":[173],"accuracy":[174,190],"3.69%":[176],"over":[177],"FLT":[178],"reduces":[180],"variance,":[181],"enhancing":[182],"fairness.":[183],"On":[184],"CIFAR-10-D1":[185],"CIFAR-10-D2,":[187],"it":[188],"achieves":[189],"gains":[191],"2.18%":[193],"2.66%,":[195],"respectively,":[196],"lower":[198],"variance.":[199],"These":[200],"highlight":[202],"effectiveness":[204],"heterogeneous":[208],"environments.":[210]},"counts_by_year":[],"updated_date":"2025-11-08T23:21:52.890332","created_date":"2025-10-10T00:00:00"}
