Iterative query expansion for document discovery
US11720554B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2021 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | May 6, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/93
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An embodiment for expanding a search query is provided. The embodiment may include receiving a stopping criterion for stopping a search. The embodiment may also include receiving an initial search query. The embodiment may further include submitting the initial search query to an information retrieval system. The embodiment may also include identifying enrichment terms from the retrieved initial set of documents. The embodiment may further include generating a subsequent search query that includes one or more enrichment terms from the retrieved initial set of documents. The embodiment may also include submitting the subsequent search query to the information retrieval system. The embodiment may further include determining whether the stopping criterion is met, and in response to determining the stopping criterion is not met, iterating identifying, generating, submitting steps until the stopping criterion is met.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.