{"id":"https://openalex.org/W7166803476","doi":"https://doi.org/10.1109/sp63933.2026.00122","title":"Hadal: Centralized Label DP without a Trusted Party","display_name":"Hadal: Centralized Label DP without a Trusted Party","publication_year":2026,"publication_date":"2026-05-18","ids":{"openalex":"https://openalex.org/W7166803476","doi":"https://doi.org/10.1109/sp63933.2026.00122"},"language":"en","primary_location":{"id":"doi:10.1109/sp63933.2026.00122","doi":"https://doi.org/10.1109/sp63933.2026.00122","is_oa":true,"landing_page_url":"https://doi.org/10.1109/sp63933.2026.00122","pdf_url":null,"source":{"id":"https://openalex.org/S4210233669","display_name":"IEEE Symposium on Security and Privacy (S&P)","issn_l":"1081-6011","issn":["1081-6011","2375-1207"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-2"],"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Symposium on Security and Privacy (SP)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/sp63933.2026.00122","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086269329","display_name":"James Choncholas","orcid":"https://orcid.org/0000-0003-3932-4232","observed_orcids":["https://orcid.org/0000-0003-3932-4232"]},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"James Choncholas","raw_affiliation_strings":["Google"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064705779","display_name":"Stanislav Peceny","orcid":"https://orcid.org/0009-0002-6247-4255","observed_orcids":["https://orcid.org/0009-0002-6247-4255"]},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stanislav Peceny","raw_affiliation_strings":["Google"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5157376450","display_name":"Amit Agarwal","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Amit Agarwal","raw_affiliation_strings":["Google"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127145095","display_name":"Mariana Raykova","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mariana Raykova","raw_affiliation_strings":["Google"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103113525","display_name":"Baiyu Li","orcid":"https://orcid.org/0000-0003-1088-9328","observed_orcids":["https://orcid.org/0000-0003-1088-9328"]},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Baiyu Li","raw_affiliation_strings":["Google"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030536555","display_name":"Karn Seth","orcid":"https://orcid.org/0009-0008-5735-3524","observed_orcids":["https://orcid.org/0009-0008-5735-3524"]},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Karn Seth","raw_affiliation_strings":["Google"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google","institution_ids":["https://openalex.org/I1291425158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1291425158"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2152","last_page":"2170"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9409000277519226,"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":0.9409000277519226,"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":0.05249999836087227,"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.0013000000035390258,"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/distributed-training","display_name":"distributed training","score":0.4020000100135803},{"id":"https://openalex.org/keywords/homomorphic-encryption","display_name":"homomorphic encryption","score":0.9490000009536743},{"id":"https://openalex.org/keywords/semi-honest-security","display_name":"semi-honest security","score":0.5649999976158142},{"id":"https://openalex.org/keywords/communication-reduction","display_name":"communication reduction","score":0.4880000054836273},{"id":"https://openalex.org/keywords/model-utility","display_name":"model utility","score":0.3569999933242798}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5885999798774719},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5400999784469604},{"id":"https://openalex.org/C139089976","wikidata":"https://www.wikidata.org/wiki/Q2142273","display_name":"Trusted third party","level":2,"score":0.38359999656677246},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.35420000553131104},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.34450000524520874},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.3075999915599823},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.2962000072002411},{"id":"https://openalex.org/C2983583741","wikidata":"https://www.wikidata.org/wiki/Q16785388","display_name":"Third party","level":2,"score":0.2919999957084656},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.28870001435279846},{"id":"https://openalex.org/C109297577","wikidata":"https://www.wikidata.org/wiki/Q161157","display_name":"Password","level":2,"score":0.28060001134872437},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.26899999380111694},{"id":"https://openalex.org/C153701036","wikidata":"https://www.wikidata.org/wiki/Q659974","display_name":"Trustworthiness","level":2,"score":0.25099998712539673},{"id":"https://openalex.org/C199776023","wikidata":"https://www.wikidata.org/wiki/Q202875","display_name":"Negotiation","level":2,"score":0.25060001015663147}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sp63933.2026.00122","doi":"https://doi.org/10.1109/sp63933.2026.00122","is_oa":true,"landing_page_url":"https://doi.org/10.1109/sp63933.2026.00122","pdf_url":null,"source":{"id":"https://openalex.org/S4210233669","display_name":"IEEE Symposium on Security and Privacy (S&P)","issn_l":"1081-6011","issn":["1081-6011","2375-1207"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-2"],"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Symposium on Security and Privacy (SP)","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1109/sp63933.2026.00122","doi":"https://doi.org/10.1109/sp63933.2026.00122","is_oa":true,"landing_page_url":"https://doi.org/10.1109/sp63933.2026.00122","pdf_url":null,"source":{"id":"https://openalex.org/S4210233669","display_name":"IEEE Symposium on Security and Privacy (S&P)","issn_l":"1081-6011","issn":["1081-6011","2375-1207"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-2"],"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Symposium on Security and Privacy (SP)","raw_type":"proceedings-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G4737752245","display_name":"Collaborative Research: PPoSS: LARGE: Scalable Specialization in Distributed Edge-Cloud Systems \u2013 The Extended Reality Case","funder_award_id":"2217070","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W39036742","https://openalex.org/W913176383","https://openalex.org/W1873763122","https://openalex.org/W2001610032","https://openalex.org/W2013823004","https://openalex.org/W2042946599","https://openalex.org/W2108598243","https://openalex.org/W2177209050","https://openalex.org/W2400700555","https://openalex.org/W2473418344","https://openalex.org/W2604969030","https://openalex.org/W2613335035","https://openalex.org/W2701059868","https://openalex.org/W2765200655","https://openalex.org/W2768174108","https://openalex.org/W2795228796","https://openalex.org/W2955088840","https://openalex.org/W2963106566","https://openalex.org/W2963341956","https://openalex.org/W2969373235","https://openalex.org/W2971313020","https://openalex.org/W2994111940","https://openalex.org/W3003532255","https://openalex.org/W3004166424","https://openalex.org/W3014044251","https://openalex.org/W3014643566","https://openalex.org/W3081714700","https://openalex.org/W3092440493","https://openalex.org/W3133749795","https://openalex.org/W3155184874","https://openalex.org/W3172018708","https://openalex.org/W3172332075","https://openalex.org/W3205935641","https://openalex.org/W4281806276","https://openalex.org/W4293783465","https://openalex.org/W4308633695","https://openalex.org/W4315706064","https://openalex.org/W4387637485","https://openalex.org/W4388858046","https://openalex.org/W4400977903","https://openalex.org/W4401752902","https://openalex.org/W4402263660","https://openalex.org/W4404213248","https://openalex.org/W4406047276","https://openalex.org/W4416549481","https://openalex.org/W7133188976"],"related_works":["https://openalex.org/W4413175031","https://openalex.org/W2951558675","https://openalex.org/W7203819672","https://openalex.org/W4409156355","https://openalex.org/W3211523072","https://openalex.org/W7166881561","https://openalex.org/W3185752301","https://openalex.org/W3184815463","https://openalex.org/W2081143260","https://openalex.org/W7214597597"],"abstract_inverted_index":{"We":[0,124],"explore":[1],"distributed":[2],"training":[3,197],"in":[4,52,104,236,241],"a":[5,62,78,99,127,137,242],"setting":[6,107],"where":[7,30],"features":[8,215],"are":[9,16],"held":[10,17],"by":[11,18,184,199],"one":[12],"party":[13,39,70],"and":[14,108,122,135,164,169,196,216],"labels":[15,32],"another.":[19],"In":[20],"this":[21,68],"context,":[22],"we":[23,75,223],"focus":[24],"on":[25],"label":[26],"Differential":[27],"Privacy":[28],"(DP),":[29],"the":[31,37,42,105,111],"require":[33,61],"privacy":[34],"protection":[35],"from":[36],"other":[38],"who":[40],"learns":[41],"trained":[43],"model.":[44],"Previous":[45],"approaches":[46],"struggle":[47],"to":[48,178,191,205,209],"train":[49,224],"accurate":[50],"models":[51,103],"high-privacy":[53,86],"settings":[54],"(i.e.":[55],"when$\\epsilon":[56],"\\leq":[57],"1$),":[58],"or":[59],"typically":[60],"trusted":[63,69],"third":[64],"party.":[65],"To":[66],"eliminate":[67],"while":[71,181],"preserving":[72],"model":[73,112,175],"utility,":[74],"present":[76,126],"PostScale,":[77],"novel":[79],"Homomorphic":[80],"Encryption":[81],"(HE)based":[82],"protocol":[83,95,130],"suited":[84],"for":[85,98,131,141,151],"regimes":[87],"with":[88,153],"ciphertext":[89,118],"multiplicative":[90],"depth":[91],"of":[92,102,226],"two.":[93],"Our":[94,172],"is":[96],"suitable":[97],"wide":[100],"variety":[101],"semi-honest":[106],"avoids":[109],"leaking":[110],"architecture":[113],"as":[114,116],"well":[115],"costly":[117],"operations":[119],"like":[120],"bootstrapping":[121],"rotations.":[123],"also":[125],"multiparty":[128],"sampling":[129],"generating":[132],"DP":[133,180],"noise,":[134],"Hadal,":[136],"general-purpose":[138],"dataflow-based":[139],"framework":[140],"encrypted":[142],"computation":[143],"implementing":[144],"our":[145],"protocols.":[146],"Hadal":[147],"repurposes":[148],"existing":[149],"tools":[150],"use":[152],"HE,":[154],"including":[155],"comprehensive":[156],"performance":[157],"profiling":[158],"capabilities,":[159],"dual":[160],"execution":[161],"modes":[162],"(eager":[163],"deferred),":[165],"graph":[166],"compiler-based":[167],"optimization,":[168],"hyperparameter":[170],"tuning.":[171],"techniques":[173],"achieve":[174],"utility":[176],"similar":[177],"centralized":[179],"reducing":[182],"communication":[183],"over":[185],"90":[186],"%":[187,201],"(from":[188,202],"1":[189],"TB":[190],"8":[192],"GB":[193],"per":[194,239],"batch)":[195],"time":[198],"99":[200],"54":[203],"minutes":[204],"33":[206],"seconds)":[207],"compared":[208],"related":[210],"work":[211],"that":[212],"protects":[213],"both":[214],"labels.":[217],"These":[218],"improvements":[219],"unlock":[220],"larger":[221],"models;":[222],"Bert-tiny":[225],"Devlin":[227],"et":[228],"al.":[229],"(2019),":[230],"with$(\\mathbf{6.5":[231],"~":[232],"M":[233],"B})$of":[234],"parameters,":[235],"20":[237],"ms":[238],"example":[240],"LAN":[243],"setting.":[244]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2026-07-02T00:00:00"}
