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US11216496B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2019 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Nov 12, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/25
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Roughly described, a system for user identification of a desired document. A database is provided which identifies a catalog of documents in an embedding space, the database identifying a distance in the embedding space between each pair of documents corresponding to a predetermined measure of dissimilarity between the pair of documents. The system presents an initial collection of the documents toward the user, from an initial candidate space which is part of the embedding space. The system then iteratively refines the candidate space using geometric constraints on the embedding space determined in response to relative feedback by the user. At each iteration the system identifies to the user a subset of documents from the then-current candidate space, based on which the user provides the relative feedback. In an embodiment, these subsets of documents are more discriminative than the average discriminativeness of similar sets of documents in the then-current candidate space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.