(19)
(11) EP 3 213 235 A1

(12)

(43) Date of publication:
06.09.2017 Bulletin 2017/36

(21) Application number: 15854422.1

(22) Date of filing: 28.10.2015
(51) International Patent Classification (IPC): 
G06F 17/30(2006.01)
G06F 17/21(2006.01)
(86) International application number:
PCT/US2015/057851
(87) International publication number:
WO 2016/069767 (06.05.2016 Gazette 2016/18)
(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

(30) Priority: 28.10.2014 US 201462069618 P

(71) Applicant: Twitter, Inc.
San Francisco, CA 94103 (US)

(72) Inventors:
  • BOMMANNAVAR, Praveen
    San Francisco, CA 94103 (US)
  • KOLCZ, Alek
    San Francisco, CA 94103 (US)
  • RAJARAMAN, Anand
    San Francisco, CA 94103 (US)

(74) Representative: Conroy, John 
Fish & Richardson P.C. Highlight Business Towers Mies-van-der-Rohe-Straße 8
80807 München
80807 München (DE)

   


(54) CLASSIFIER RECALL ESTIMATION FOR SPARSE TOPICS