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EP 4 816 975 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24817121.7 (22) Date of filing: 26.11.2024

(51) International Patent Classification (IPC):  G06N 3/0895(2023.01) G06N 3/044(2023.01) G06N 3/0499(2023.01) (52) Cooperative Patent Classification (CPC): G06N 3/044; G06N 3/0499; G06N 3/0895 (86) International application number: PCT/EP2024/083541 (87) International publication number: WO 2025/114247 (05.06.2025 Gazette 2025/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 30.11.2023 US 202318524131 (71) Applicant: International Business Machines Corporation Armonk, New York 10504 (US)	(72) Inventors: HAN, Si Er Beijing 100193 (CN) MA, Xiao Ming Beijing 100193 (CN) ZHANG, Xue Ying Beijing 100193 (CN) XU, Jing Beijing 100193 (CN) YANG, Ji Hui Beijing 100193 (CN) WANG, Jun Beijing 100193 (CN) (74) Representative: IBM United Kingdom Limited  Intellectual Property Law Hursley Park Winchester, Hampshire SO21 2JN Winchester, Hampshire SO21 2JN (GB)