US 11,888,825 B1
Privacy preserving user group expansion
Wei Huang, Kirkland, WA (US); Fabio Soldo, Los Altos, CA (US); and Surbhi Maheshwari, Sunnyvale, CA (US)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Aug. 9, 2021, as Appl. No. 17/397,089.
Int. Cl. H04L 9/40 (2022.01); G06N 3/08 (2023.01)
CPC H04L 63/0421 (2013.01) [G06N 3/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a content platform and from a client device of a user, a request for a digital component, wherein the request includes a user identifier that uniquely identifies the user to the content platform;
determining that the user identifier is included in a user list that includes a plurality of user identifiers respectively corresponding to a plurality of users in a user action group, the plurality of user identifiers comprising (i) a first set of user identifiers for a first set of users that performed one or more particular actions at an electronic resource of an entity for which the user list is generated and (ii) a second set of user identifiers for a second set of users that have been added to the user list based at least in part on each user in the second set of users being in a same user interest group of a plurality of user interest groups as at least one user in the first set of users, wherein each user interest group in the plurality of user interest groups includes users that have been assigned to the user interest group by applications running on devices of the users based at least in part on electronic resources visited by the users;
in response to determining that the unique identifier is included in the user list, selecting a digital component of the entity for which the user list is generated; and
providing, to the client device of the user, the digital component for display to the user of the client device.