System and method for finding similar documents based on semantic factual similarity
US11809500B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2017 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Nov 27, 2037 |
Classification
- Technology area (CPC —)General
Abstract
The present disclosure is directed towards systems and methods for finding documents that are similar to a reference text. The inventive systems and methods examine a set of collected documents to determine the facts present in those documents by, for example, extracting triplets and expanding them. A user's input reference text is similarly examined to extract and expand triplets therein and the facts identified with respect to the reference text are used as a basis to find documents having similar facts. The present disclosure is also related to systems and methods for mining facts from documents relating to a primary source such as a piece of legislation and using the mined facts to improve the results of subsequent searches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.