Patents by Inventor Sergei Olegovich LISITCYN

Sergei Olegovich LISITCYN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of and system for processing activity indications associated with a user
    Patent number: 11157522
    Abstract: A method (1400) of and a system (222) for associating past activity indications (602) associated with past activities of a user (170) with items. The method comprises accessing (1402) the past activity indications (602); accessing (1404) item indications; determining (1406) a past activity feature vector (606); determining (1408) a text feature vector (706) corresponding to the text features; mapping (1410) the past activity feature vector (606) and the text feature vector (706) to generate a text feature space (904); determining (1412) an image feature vector (806); mapping (1414) the past activity feature vector (606) and the image feature vector (806) to generate an image feature space (1004); generating a user item space (1104); and storing (1418) the user item space (1104). A method (1500) of and a system (222) for associating a first item and a second item are also disclosed.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: October 26, 2021
    Assignee: YANDEX EUROPE AG
    Inventors: Andrey Borisovich Krasnikov, Gennady Gennadievich Kuzmin, Sergey Aleksandrovich Shiryaev, Dmitrii Petrovich Sopin, Sergei Olegovich Lisitcyn, Dmitrii Aleksandrovich Levanov, Dmitrii Andreyevich Kuksa, Sergey Victorovich Kotsur
  • METHOD OF AND SYSTEM FOR PROCESSING ACTIVITY INDICATIONS ASSOCIATED WITH A USER
    Publication number: 20180060412
    Abstract: A method (1400) of and a system (222) for associating past activity indications (602) associated with past activities of a user (170) with items. The method comprises accessing (1402) the past activity indications (602); accessing (1404) item indications; determining (1406) a past activity feature vector (606); determining (1408) a text feature vector (706) corresponding to the text features; mapping (1410) the past activity feature vector (606) and the text feature vector (706) to generate a text feature space (904); determining (1412) an image feature vector (806); mapping (1414) the past activity feature vector (606) and the image feature vector (806) to generate an image feature space (1004); generating a user item space (1104); and storing (1418) the user item space (1104). A method (1500) of and a system (222) for associating a first item and a second item are also disclosed.
    Type: Application
    Filed: October 8, 2015
    Publication date: March 1, 2018
    Inventors: Andrey Borisovich KRASNIKOV, Gennady Gennadievich KUZMIN, Sergey Aleksandrovich SHIRYAEV, Dmitrii Petrovich SOPIN, Sergei Olegovich LISITCYN, Dmitrii Aleksandrovich LEVANOV, Dmitrii Andreyevich KUKSA, Sergey Victorovich KOTSUR