(19)

(11)

EP 3 607 455 A1

(12)

(43) Date of publication: 12.02.2020 Bulletin 2020/07 (21) Application number: 17807987.7 (22) Date of filing: 14.11.2017

(51) International Patent Classification (IPC):  G06F 16/00(2019.01) (86) International application number: PCT/US2017/061482 (87) International publication number: WO 2019/098989 (23.05.2019 Gazette 2019/21)

(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: MA MD (71) Applicant: Google LLC Mountain View, CA 94043 (US)	(72) Inventors: GARON, Haskell Aaron Mountain View, California 94043 (US) ISAACS, Nicholas Wildman Mountain View, California 94043 (US) WANG, Gang Mountain View, California 94043 (US) (74) Representative: Grant, David Michael  Marks & Clerk LLP 15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)