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A negative survey method with a personalized privacy protection function

A technology of privacy protection and options, applied in the field of information security, can solve the problem that respondents cannot freely choose the degree of privacy protection, and achieve the effect of ensuring the accuracy of data

Inactive Publication Date: 2019-03-01
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] Aiming at the problem that the respondents cannot freely choose the degree of privacy protection in the negative survey process, the present invention provides a negative survey method with personalized privacy protection function

Method used

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  • A negative survey method with a personalized privacy protection function
  • A negative survey method with a personalized privacy protection function
  • A negative survey method with a personalized privacy protection function

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Embodiment Construction

[0052] The above solution will be further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0053] The invention adopts Java to write the experiment code, simulates the experiment of indefinite item negative investigation, and compares the experiment result with the original data. The present invention simulates the client through the random number method, and the positive options are randomly generated according to different probability distributions, including uniform distribution, binomial distribution, and Poisson distribution, and the number of negative options selected in the indeterminate items is also randomly gener...

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Abstract

The invention provides a negative survey method with a personalized privacy protection function, aiming at the problem that a surveyed person cannot freely select the privacy protection degree in a negative survey process. According to the method, on the basis of traditional negative survey, uncertain negative survey is adopted to collect and process data, so that a user can freely select the accuracy and privacy protection degree of information, network eavesdropping attacks are effectively resisted, and reliable data are restored. The method is suitable for questionnaire survey, position information protection and the like in daily life.

Description

1. Technical field [0001] The invention belongs to the field of information security, and in particular relates to a negative investigation method with a personalized privacy protection function. 2. Background technology [0002] In the traditional survey method, the respondents need to choose the option according to the actual situation according to the question. However, the results of the survey questions may involve the private information of the respondents, such as income, health status, etc. In recent years, negative surveys have been proposed to protect the privacy of the respondents. In a negative survey, the respondent does not need to choose the real option (called the positive option), but only needs to choose the option that does not meet the actual situation (called the negative option). For example, the survey question "How much is your monthly income?" The options include: "A. less than three thousand; B. three thousand to five thousand; C. five thousand to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62
CPCG06F21/6245
Inventor 朱友文刘鼎铭李佳慧
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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