(19)

(11)

EP 3 884 432 A1

(12)

(43) Date of publication: 29.09.2021 Bulletin 2021/39 (21) Application number: 19829363.1 (22) Date of filing: 20.11.2019

(51) International Patent Classification (IPC):  G06N 3/00(2006.01) G06N 20/00(2019.01) (52) Cooperative Patent Classification (CPC): G06N 20/00; G06N 3/006 (86) International application number: PCT/US2019/062509 (87) International publication number: WO 2020/106908 (28.05.2020 Gazette 2020/22)

(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: 21.11.2018 US 201816198605 21.11.2018 US 201816198698 27.11.2018 US 201816201830 27.11.2018 US 201816201864 27.11.2018 US 201816201872 (71) Applicant: Amazon Technologies, Inc. Seattle, WA 98109-1226 (US)

(72) Inventors: DIRAC, Leo Parker Seattle, Washington 98109-5210 (US) SUN, Eric Li Seattle, Washington 98109-5210 (US) MALLYA KASARAGOD, Sunil Seattle, Washington 98109-5210 (US) GENC, Sahika Seattle, Washington 98109-5210 (US) BALAJI, Bharathan Seattle, Washington 98109-5210 (US) GUPTA, Saurabh Seattle, Washington 98109-5210 (US) TOWNSEND, Brian James Seattle, Washington 98109-5210 (US) KUMAR, Pramod Ravikumar Seattle, Washington 98109-5210 (US) WENTZEL, Marthinus Coenraad De Clercq Seattle, Washington 98109-5210 (US) (74) Representative: Keijser Bergöö, Malin Katarina  Rouse AB Docketing, PO Box 42 683 21 Hagfors 683 21 Hagfors (SE)