(19)

(11)

EP 4 581 483 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23757395.1 (22) Date of filing: 20.07.2023

(51) International Patent Classification (IPC):  G06F 9/30(2018.01) G06N 3/02(2006.01) (52) Cooperative Patent Classification (CPC): G06F 9/30014; G06F 9/30036; G06F 9/30025; G06F 9/30043; G06F 9/30032; G06F 9/3009; G06N 3/063 (86) International application number: PCT/US2023/028297 (87) International publication number: WO 2024/049568 (07.03.2024 Gazette 2024/10)

(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: KH MA MD TN (30) Priority: 31.08.2022 US 202263374125 P 09.12.2022 US 202218064223 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventors: YAN, Yu Redmond, Washington 98052-6399 (US) HARRIS, Timothy Lawrence 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)