System for similar document detection
US7660819B1 · kind B1 · utility
31Cited by
5References
9Claims
0Family size
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Key dates
| Filing date | Jul 31, 2000 |
| Grant date | Feb 9, 2010 |
| Priority date | — |
| Expiry date | Mar 24, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99948
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A document is compared to the documents in a document collection using a hash algorithm and collection statistics to detect if the document is similar to any of the documents in the document collection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.