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(11)

EP 3 807 778 A1

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(43) Date of publication: 21.04.2021 Bulletin 2021/16 (21) Application number: 19818610.8 (22) Date of filing: 11.06.2019

(51) International Patent Classification (IPC):  G06F 16/2453(2019.01) G06N 5/02(2006.01) G06N 3/08(2006.01) G06F 16/901(2019.01) G06N 20/00(2019.01) (86) International application number: PCT/US2019/036612 (87) International publication number: WO 2019/241293 (19.12.2019 Gazette 2019/51)

(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: 13.06.2018 US 201816007639 13.06.2018 US 201816007850 13.06.2018 US 201816007911 (71) Applicant: Stardog Union Arlington, VA 22201 (US)

(72) Inventors: SIRIN, Evren Arlington, Virginia 02474 (US) GROVE, Michael Howard Ellicott City, Maryland 21042 (US) CLARK, Kendall Grant Great Falls, Virginia 22066 (US) BALINT, Jess M. Madison, Wisconsin 53703 (US) DE OLIVEIRA, Pedro Carvalho 4050-524 Porto (PT) KLINOV, Pavel 69118 Heidelberg (DE) (74) Representative: Schulte, Drew Joseph  Pillsbury Winthrop Shaw Pittmann LLP Tower 42, Level 21 25 Old Broad Street London EC2N 1HQ London EC2N 1HQ (GB)