Data matching method, apparatus and system, and device and medium
US12430877B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2022 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | Dec 7, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The disclosure provides a data matching method, and the method includes inputting to-be-matched first data into a pre-trained vector transformation model, to obtain a first vector corresponding to the first data and a binary vector corresponding to the first vector; obtaining a first intermediate vector using an oblivious transfer protocol, and obtaining a first distance intermediate result based on the first intermediate vector and a first predefined algorithm; receiving a second distance intermediate result generated, based on a second vector, a first random vector, and a second predefined algorithm, and sent by a second device; determining a target distance between the first vector and the second vector based on the first vector, the first distance intermediate result, and the second distance intermediate result; and determining whether the first data and second data match based on the target distance and a predefined first distance threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.