System and method for labeling a document
US7680760B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2005 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Apr 10, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/93
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method for selecting a proxy keyword for an unknown document. An unknown document is received by a receiver. A plurality of candidate documents and corresponding keywords are determined for the unknown document. Using the keywords from the candidate documents, proxy keywords are determined for the unknown document based on a plurality of factors including a length of the keywords, a distance of the candidate documents from the unknown document, a similarity of the text between the unknown document and the respective candidate document, a rank of the keywords within each candidate document, and a frequency of the keyword within its respective candidate document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.