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(11)

EP 4 433 941 A1

(12)

(43) Date of publication: 25.09.2024 Bulletin 2024/39 (21) Application number: 22789747.7 (22) Date of filing: 15.09.2022

(51) International Patent Classification (IPC):  G06F 40/30(2020.01) G06N 3/08(2023.01) (52) Cooperative Patent Classification (CPC): G06F 40/30; G06N 3/0455; G06N 3/0475; G06N 3/084; G06N 3/09; G06N 3/096; G06N 3/088 (86) International application number: PCT/US2022/043564 (87) International publication number: WO 2023/091226 (25.05.2023 Gazette 2023/21)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 16.11.2021 US 202163264163 P 18.05.2022 US 202217664031 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventors: HE, Pengcheng Redmond, Washington 98052-6399 (US) GAO, Jianfeng Redmond, Washington 98052-6399 (US) CHEN, Weizhu Redmond, Washington 98052-6399 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)