Natural language question answering system and method, and paraphrase module
US9613025B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2015 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Nov 19, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/58
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A natural language question answering system and method, and a paraphrase module are provided. The natural language question answering system includes a conversion module configured to generate a plurality of modified questions by paraphrasing a user's question; a plurality of question answering engines configured to receive each of the user's question and the modified questions, and select candidate answers corresponding to each of the user's question and the modified questions; and a detection module configured to detect at least one among the selected candidate answers as an answer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.