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Implementation method of privacy protection based on user activity mode in intelligent nursing system

An activity mode, intelligent nursing technology, applied in digital data protection, special data processing applications, instruments, etc., can solve the problems of intelligent equipment burden, large time and space resources, lack of efficient privacy protection policy implementation methods in intelligent nursing system, etc.

Active Publication Date: 2020-12-25
CHONGQING UNIV
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Problems solved by technology

[0005] 2. The intelligent nursing system lacks efficient implementation methods for privacy protection policies
Using centralized frequent pattern mining to obtain frequent event sequences to form activity patterns consumes a lot of time and space resources
In addition, the smart care system needs to cope with the device configuration update requirements caused by changes in the user's privacy requirements. If every change in demand affects all smart devices, it will bring a huge burden to the smart devices

Method used

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  • Implementation method of privacy protection based on user activity mode in intelligent nursing system
  • Implementation method of privacy protection based on user activity mode in intelligent nursing system
  • Implementation method of privacy protection based on user activity mode in intelligent nursing system

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Embodiment Construction

[0051] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar devices or configuration files with the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0052] A method for protecting the privacy of user activity patterns based on an intelligent nursing system, its characteristics and the environment arrangement included in the method: install sensor nodes Node(index ) (index=1, 2, 3.....X), located in each room of the user such as bedroom, living room, toilet, hallway, kitchen, etc. And a smart gateway is arranged for the community to collect all collected daily life data.

[0053] Such as figure 1 As shown, the present invention provides a kind of privacy-oriented protection ...

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Abstract

The invention provides a user activity mode oriented privacy protection implementation method based on an intelligent nursing system, which comprises the following steps: S1, deploying intelligent nodes and an intelligent gateway, driving the intelligent nodes to collect, reasoning, calculate and match daily activity data of a user by using a lightweight script, and transmitting the daily activitydata to the intelligent gateway for centralized processing; S2, counting user activity modes through the intelligent gateway, and desensitizing the activity modes based on the multi-granularity characteristics of the activity modes and the space-time relevance between the activity modes; S3, uploading the desensitized activity mode to a data analysis mechanism with big data mining and analysis capability so as to obtain a service rule possibly meeting the nursing requirement of the user; and S4, constructing an expert knowledge base on the intelligent gateway, storing knowledge for verifyingthe matching between the service rules and the non-desensitized activity mode, filtering the service rules which do not meet the nursing requirements of the user, and constructing a rule reasoning engine to realize real-time nursing service oriented to the activity mode.

Description

technical field [0001] The invention belongs to the technical field of intelligent environment, and in particular relates to the design of a privacy protection system oriented to user behavior patterns in an intelligent environment. Background technique [0002] The research on the traditional smart environment privacy protection method and the service system in the case of privacy protection are not suitable, mainly including the following two points: [0003] 1. The privacy protection method of traditional data encryption or adding noise is not suitable for activity-oriented mode; [0004] The traditional data encryption method is mainly to prevent the plaintext from being hijacked during transmission and causing privacy leakage. Therefore, the plaintext is generated through symmetric encryption, hash algorithm, etc. to generate ciphertext, and then transmitted to a third-party data analysis agency in the form of ciphertext. If the third-party data analysis agency can obt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/60G06F21/62G06F16/2455
CPCG06F21/602G06F21/6245G06F16/24564
Inventor 汪成亮曾卓马飞张寻
Owner CHONGQING UNIV
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