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Entity alignment method based on privacy protection and computer storage medium

A technology of privacy protection and entity pairing, which is applied in the field of privacy protection, can solve problems such as the number of leaked alignment data, achieve high communication efficiency, improve privacy protection and computational complexity, and achieve high computational efficiency

Active Publication Date: 2021-06-08
南京星云数字技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can effectively prevent data leakage, but it still leaks the number of aligned data

Method used

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  • Entity alignment method based on privacy protection and computer storage medium
  • Entity alignment method based on privacy protection and computer storage medium
  • Entity alignment method based on privacy protection and computer storage medium

Examples

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Embodiment Construction

[0047] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. Among them, the embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0048] Entity alignment aims to determine whether two or more entities from different information sources point to the same object in the real world. If multiple entities represent the same object, the alignment relationship between these entities is constructed, and the information contained in the entities is fused and aggregated at the same time.

[0049] refer to figure 1 As shown, the embodiment of the present invention provides a method for entity alignment based on privacy protection, the method includes the following steps:

[0050] Step S11, converting the entity IDs of both parties into a polynomial, and each element in the entity ID is s...

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Abstract

The invention belongs to the technical field of privacy protection, and discloses an entity alignment method based on privacy protection. The method comprises that: entity IDs of two partners are converted into a polynomial, and each element in the entity IDs is set as a root of the polynomial; the partner extracts a polynomial coefficient of the partner to generate a pair of keys, encrypts the polynomial coefficient of the partner by using a public key of the partner, and sends the encrypted ciphertext and the public key to the partner; the partner extracts a polynomial coefficient of the partner, encrypts the polynomial coefficient of the partner by using a public key sent by the partner, obtains an encrypted ciphertext and sends the encrypted ciphertext to the partner; and the partner decrypts the root of the maximum public expression of the two partners by using the private key of the partner. According to the entity alignment method based on privacy protection, the privacy of data transmission is effectively protected, leakage of the number of data is prevented, meanwhile, the communication efficiency and the operation efficiency are guaranteed, and the method can be applied to various privacy protection scenes.

Description

technical field [0001] The invention belongs to the technical field of privacy protection, and in particular relates to an entity alignment method based on privacy protection. Background technique [0002] In today's era of data and information explosion, various fields have accumulated a large amount of data, which is the necessary nourishment for training artificial intelligence models. However, the reality is that there is a problem of single data content in many fields; at the same time, companies in different industries are reluctant to share data due to concerns about confidentiality leakage. In general, the data required for artificial intelligence involves multiple fields. For example, in terms of financial risk control, each financial institution exclusively enjoys its own user credit status, and there are certain obstacles in joint sharing of user credit status. For example, in intelligent marketing services, the seller has the data of the user's purchase of good...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00H04L29/06
CPCH04L9/008H04L63/0442
Inventor 李建新
Owner 南京星云数字技术有限公司
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