(19)

(11)

EP 3 977 384 A1

(12)

(43) Date of publication: 06.04.2022 Bulletin 2022/14 (21) Application number: 20731695.1 (22) Date of filing: 19.05.2020

(51) International Patent Classification (IPC):  G06Q 20/02(2012.01) G06N 20/00(2019.01) G06Q 20/40(2012.01) G06Q 20/22(2012.01) (52) Cooperative Patent Classification (CPC): G06Q 20/027; G06Q 20/405; G06N 20/00; G06Q 20/227; G06N 5/02; G06N 5/003 (86) International application number: PCT/US2020/033635 (87) International publication number: WO 2020/242836 (03.12.2020 Gazette 2020/49)

(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: 24.05.2019 US 201916422259 (71) Applicant: Facebook, Inc. Menlo Park, CA 94025 (US)	(72) Inventors: NEJATIAN, Kasra Menlo Park, California 94025 (US) CHACE, Justin Mason Menlo Park, California 94025 (US) MODI, Ankit Yatish Menlo Park, California 94025 (US) YADAV, Ritwik Menlo Park, California 94025 (US) AYYAPPAN, Swathish Ram Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)