Data index establishment method, and apparatus
US11868332B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Apr 21, 2021 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Jan 11, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2282
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data index establishment method obtains M raw data segments and a first-layer mapping relationship through segment fitting on raw data in a raw data table, and further obtains N first key segments and a second-layer mapping relationship through segment fitting on a first key of each raw data segment. In a subsequent data query process, a multi-layer mapping relationship is input from a to-be-queried key sequentially in descending order, until a location of the to-be-queried key in the raw data table is located.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.