Probabilistic Message Filtering and Grouping

    公开(公告)号:US20180198714A1

    公开(公告)日:2018-07-12

    申请号:US15911717

    申请日:2018-03-05

    Applicant: Google LLC

    Inventor: Ken Krieger

    CPC classification number: H04L47/12 H04L47/19 H04W4/80 H04W8/005 H04W12/02

    Abstract: Systems and methods for generating and using probabilistic filters are provided. One example method includes obtaining a plurality of beacon identifiers respectively associated with a plurality of beacon devices. The operations include determining a plurality of filter shards for each beacon identifier by applying a plurality of hash functions to each beacon identifier. The operations include providing the plurality of filter shards for each beacon identifier for local storage in a probabilistic filter at an observing entity, such that the observing entity can query the probabilistic filter to receive an indication of whether a received identifier is a member of a set that includes the plurality of beacon identifiers. One example system includes a plurality of beacon devices, at least one observing entity, and at least one verifying entity.

    Server rack architecture that facilitates reduced current density

    公开(公告)号:US09967998B1

    公开(公告)日:2018-05-08

    申请号:US15179390

    申请日:2016-06-10

    Applicant: Google LLC

    CPC classification number: H05K7/1492

    Abstract: A server rack with vertically stacked shelves is disclosed. The shelves are used for housing loads (e.g. servers) and power supply units. Thus, both the power supply units and the servers are vertically stacked in the rack. An array of vertical and horizontal busses is secured to the back side of the server rack to electrically couple the servers with the power supply units. The arrangement of the PSUs and the busses provides for uniform current density across the server rack. The devices placed on the shelves are accessible and serviceable from the front of the server rack. The server rack can be placed within or secured to a device, system or a server room in a vertical orientation, a horizontal orientation or at an angle.

    Server rack architecture that facilitates reduced current density

    公开(公告)号:US10327354B1

    公开(公告)日:2019-06-18

    申请号:US16290520

    申请日:2019-03-01

    Applicant: Google LLC

    Abstract: A server rack with vertically stacked shelves is disclosed. The shelves are used for housing loads (e.g. servers) and power supply units. Thus, both the power supply units and the servers are vertically stacked in the rack. An array of vertical and horizontal busses is secured to the back side of the server rack to electrically couple the servers with the power supply units. The arrangement of the PSUs and the busses provides for uniform current density across the server rack. The devices placed on the shelves are accessible and serviceable from the front of the server rack. The server rack can be placed within or secured to a device, system or a server room in a vertical orientation, a horizontal orientation or at an angle.

    Audience attendance monitoring through facial recognition

    公开(公告)号:US10134048B2

    公开(公告)日:2018-11-20

    申请号:US14454490

    申请日:2014-08-07

    Applicant: GOOGLE LLC

    Abstract: In accordance with some implementations, a method for measuring viewership of media content is disclosed. The method is performed on a client system. The client system captures visual data of one or more users of the client system with the camera. The client system then analyzes the captured visual data to determine a facial image for each respective user of the one or more users. Based on the facial image, the client system then determines if a respective user is a participant in a media viewership study. In accordance with a determination that the user is a participant in the media viewership measurement study, the client system determines the media content being presented. The client system creates viewership data based on the user and the media content being displayed in the proximity of the user and transmits viewership data to a server system.

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