{"id":"https://openalex.org/W4403487708","doi":"https://doi.org/10.3233/faia240686","title":"Sentinel: An Aggregation Function to Secure Decentralized Federated Learning","display_name":"Sentinel: An Aggregation Function to Secure Decentralized Federated Learning","publication_year":2024,"publication_date":"2024-10-16","ids":{"openalex":"https://openalex.org/W4403487708","doi":"https://doi.org/10.3233/faia240686"},"language":"en","primary_location":{"id":"doi:10.3233/faia240686","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240686","pdf_url":null,"source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.3233/faia240686","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057255986","display_name":"Chao Feng","orcid":"https://orcid.org/0000-0002-0672-1090"},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Chao Feng","raw_affiliation_strings":["Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063531116","display_name":"Alberto Huertas Celdr\u00e1n","orcid":"https://orcid.org/0000-0001-7125-1710"},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Alberto Huertas Celdr\u00e1n","raw_affiliation_strings":["Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082069020","display_name":"Janosch Baltensperger","orcid":null},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Janosch Baltensperger","raw_affiliation_strings":["Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089156582","display_name":"Enrique Tom\u00e1s Mart\u00ednez Beltr\u00e1n","orcid":"https://orcid.org/0000-0002-5169-2815"},"institutions":[{"id":"https://openalex.org/I80180929","display_name":"Universidad de Murcia","ror":"https://ror.org/03p3aeb86","country_code":"ES","type":"education","lineage":["https://openalex.org/I80180929"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Enrique Tom\u00e1s Mart\u00ednez Beltr\u00e1n","raw_affiliation_strings":["Department of Information and Communications Engineering, University of Murcia, 30100\u2013Murcia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information and Communications Engineering, University of Murcia, 30100\u2013Murcia","institution_ids":["https://openalex.org/I80180929"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068451806","display_name":"Pedro Miguel S\u00e1nchez S\u00e1nchez","orcid":"https://orcid.org/0000-0002-6444-2102"},"institutions":[{"id":"https://openalex.org/I80180929","display_name":"Universidad de Murcia","ror":"https://ror.org/03p3aeb86","country_code":"ES","type":"education","lineage":["https://openalex.org/I80180929"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pedro Miguel S\u00e1nchez S\u00e1nchez","raw_affiliation_strings":["Department of Information and Communications Engineering, University of Murcia, 30100\u2013Murcia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information and Communications Engineering, University of Murcia, 30100\u2013Murcia","institution_ids":["https://openalex.org/I80180929"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070889566","display_name":"G\u00e9r\u00f4me Bovet","orcid":"https://orcid.org/0000-0002-4534-3483"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G\u00e9r\u00f4me Bovet","raw_affiliation_strings":["Cyber-Defence Campus, armasuisse Science & Technology, CH\u20133602 Thun, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cyber-Defence Campus, armasuisse Science & Technology, CH\u20133602 Thun, Switzerland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033030418","display_name":"Burkhard Stiller","orcid":"https://orcid.org/0000-0002-7461-7463"},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Burkhard Stiller","raw_affiliation_strings":["Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems Group CSG, Department of Informatics, University of Zurich UZH, CH\u20138050 Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.5019,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.95255068,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9987999796867371,"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":0.9987999796867371,"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/T10237","display_name":"Cryptography and Data Security","score":0.9790999889373779,"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","score":0.9279000163078308,"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/function","display_name":"Function (biology)","score":0.5158040523529053},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48183003067970276},{"id":"https://openalex.org/keywords/federated-learning","display_name":"Federated learning","score":0.43918800354003906},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3709363341331482},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.3272990584373474},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.25678396224975586},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.08895012736320496},{"id":"https://openalex.org/keywords/cell-biology","display_name":"Cell biology","score":0.050547510385513306}],"concepts":[{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5158040523529053},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48183003067970276},{"id":"https://openalex.org/C2992525071","wikidata":"https://www.wikidata.org/wiki/Q50818671","display_name":"Federated learning","level":2,"score":0.43918800354003906},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3709363341331482},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.3272990584373474},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.25678396224975586},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08895012736320496},{"id":"https://openalex.org/C95444343","wikidata":"https://www.wikidata.org/wiki/Q7141","display_name":"Cell biology","level":1,"score":0.050547510385513306}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3233/faia240686","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240686","pdf_url":null,"source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"}],"best_oa_location":{"id":"doi:10.3233/faia240686","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240686","pdf_url":null,"source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W4298221930","https://openalex.org/W2390279801","https://openalex.org/W2777914285","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4378677776","https://openalex.org/W3176937389"],"abstract_inverted_index":{"Decentralized":[0],"Federated":[1],"Learning":[2],"(DFL)":[3],"emerges":[4],"as":[5],"an":[6,135],"innovative":[7],"paradigm":[8],"to":[9,65,92],"train":[10],"collaborative":[11],"models,":[12],"addressing":[13],"the":[14,21,53,73,122],"single":[15],"point":[16],"of":[17,25,55,75,85],"failure":[18],"limitation.":[19],"However,":[20],"security":[22],"and":[23,27,47,78,90,105,113,128,138,155],"trustworthiness":[24],"FL":[26,46],"DFL":[28],"are":[29],"compromised":[30],"by":[31],"poisoning":[32,67,110,130],"attacks,":[33],"negatively":[34],"impacting":[35],"its":[36],"performance.":[37],"Existing":[38],"defense":[39,63],"mechanisms":[40],"have":[41,116],"been":[42,100,117],"designed":[43],"for":[44,153],"centralized":[45],"they":[48],"do":[49],"not":[50],"adequately":[51],"exploit":[52],"particularities":[54],"DFL.":[56,70],"Thus,":[57],"this":[58],"work":[59],"introduces":[60],"Sentinel,":[61],"a":[62,80],"strategy":[64],"counteract":[66],"attacks":[68,131],"in":[69],"Sentinel":[71,98,154],"leverages":[72],"accessibility":[74],"local":[76],"data":[77,106,133],"defines":[79],"three-step":[81],"aggregation":[82,159],"protocol":[83],"consisting":[84],"similarity":[86],"filtering,":[87],"bootstrap":[88],"validation,":[89],"normalization":[91],"safeguard":[93],"against":[94,125],"malicious":[95],"model":[96],"updates.":[97],"has":[99],"evaluated":[101],"with":[102],"diverse":[103],"datasets":[104],"distributions.":[107],"Besides,":[108,142],"various":[109],"attack":[111],"types":[112],"threat":[114],"levels":[115],"verified.":[118],"The":[119],"results":[120],"improve":[121],"state-of-the-art":[123,157],"performance":[124,150],"both":[126,152],"untargeted":[127],"targeted":[129],"when":[132],"follows":[134],"IID":[136],"(Independent":[137],"Identically":[139],"Distributed)":[140],"configuration.":[141],"under":[143],"non-IID":[144],"configuration,":[145],"it":[146],"is":[147],"analyzed":[148],"how":[149],"degrades":[151],"other":[156],"robust":[158],"methods.":[160]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
