Method and device for keyword extraction and storage medium
US11580303B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2020 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Oct 13, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and device for keyword extraction and a storage medium. The method includes receiving, at a terminal, an original document, acquiring, at the terminal, a candidate set by extracting at least one candidate phrase from the original document, acquiring, at the terminal, an association degree between the at least one candidate phrase in the candidate set and the original document, acquiring, at the terminal, a divergence degree of the at least one candidate phrase in the candidate set, and updating, at the terminal, a key phrase set of the original document by selecting the at least one candidate phrase from the candidate set as at least one key phrase based on the association degree and the divergence degree.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.