Data processing method and device

A data processing and road section technology, applied in the field of data processing, can solve problems such as low effectiveness, leakage of user location privacy, and inability to connect users with accurate locations, so as to achieve the effect of good privacy protection and protection of location privacy.

Active Publication Date: 2020-11-24
BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the attacker only knows that k users are in the area, but cannot associate users with their exact locations
[0006] However, in some application scenarios, the effectiveness of this technique is low
For example, when the user is located in an area with a low population density, excessively increasing the area of ​​the two-dimensional spatial region will directly reduce the service quality of the user; while when k users are in the same location, the location privacy of the user will still be leaked

Method used

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0025] At the same time, it should be understood that, for the convenience of d...

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PUM

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Abstract

The invention discloses a data processing method and device and relates to the field of data processing. The data processing method comprises the steps that a service request sent by one or more userslocated on a certain road section cluster in a preset time period is acquired; road sections, adjacent to the road section where the users are located, in the road section cluster are acquired to form an anonymous road section set, and the users on the road sections in the anonymous road section set are obtained to form an anonymous user set; location information of the users in the anonymous user set or coverage range information of the anonymous road section set is sent to a server, so that the server returns a service request result to the users according to the received information. The road sections, adjacent to the road section where the users are located, in the road section cluster form the anonymous road section set so that the anonymous road section set can cover the road sections where the users are closer, the coverage range of the anonymous road section set is in a limited road section cluster range on the basis of guaranteeing that the anonymous road section set has certain dispersity, and the position privacy of the users is effectively protected.

Description

technical field [0001] The invention relates to the field of data processing, in particular to a data processing method and device. Background technique [0002] LBS (Location-Based Service, location-based service) is a service developed by using the geographic location data of mobile users. LBS queries can generally be divided into snapshot queries and continuous queries. A snapshot query is a query in which the user makes a query and the server returns a result, such as "return all hospitals within 3 kilometers away from me". A continuous query is a query in which the user makes a query, and the server returns results at regular intervals, such as "in the next 30 minutes, return to the gas station closest to me every 5 minutes". [0003] Driven by the huge economic benefits brought by data, LBS service providers may sell private information such as users' location and query content to obtain commercial benefits. Thus, the user's privacy and security may be threatened. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/62
CPCG06F21/6245
Inventor 聂啸
Owner BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD
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