公开(公告)号：AU2017284088B2

公开(公告)日：2019-12-05

申请号：AU2017284088

申请日：2017-06-08

Applicant: APPLE INC

Inventor： THAKURTA ABHRADEEP GUHA ,  VYRROS ANDREW H ,  VAISHAMPAYAN UMESH S ,  KAPOOR GAURAV ,  FREUDIGER JULIEN ,  SRIDHAR VIVEK RANGARAJAN ,  DAVIDSON DOUG

IPC: G06F16/30

Abstract: Systems and methods are disclosed for a server learning new words generated by user client devices in a crowdsourced manner while maintaining local differential privacy of client devices. A client device can determine that a word typed on the client device is a new word that is not contained in a dictionary or asset catalog on the client device. New words can be grouped in classifications such as entertainment, health, finance, etc. A differential privacy system on the client device can comprise a privacy budget for each classification of new words. If there is privacy budget available for the classification, then one or more new terms in a classification can be sent to new term learning server, and the privacy budget for the classification reduced. The privacy budget can be periodically replenished.

公开(公告)号：AU2017284088A1

公开(公告)日：2018-10-25

申请号：AU2017284088

申请日：2017-06-08

Applicant: APPLE INC

Inventor： THAKURTA ABHRADEEP GUHA ,  VYRROS ANDREW H ,  VAISHAMPAYAN UMESH S ,  KAPOOR GAURAV ,  FREUDIGER JULIEN ,  SRIDHAR VIVEK RANGARAJAN ,  DAVIDSON DOUG

IPC: G06F17/30

Abstract: Systems and methods are disclosed for a server learning new words generated by user client devices in a crowdsourced manner while maintaining local differential privacy of client devices. A client device can determine that a word typed on the client device is a new word that is not contained in a dictionary or asset catalog on the client device. New words can be grouped in classifications such as entertainment, health, finance, etc. A differential privacy system on the client device can comprise a privacy budget for each classification of new words. If there is privacy budget available for the classification, then one or more new terms in a classification can be sent to new term learning server, and the privacy budget for the classification reduced. The privacy budget can be periodically replenished.