Method for using the second homotopy group in assessing the similarity of sets of data
US7849038B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 16, 2007 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Jun 25, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/5838
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for finding sets of two-dimensional data (S2DDs), which are similar to a target S2DD, is invented. The method leverages a new category of signatures, called equivalence signatures, to characterize the S2DDs. These signatures have the salient feature that, at worst, they change in a bounded manner when changes are made to the S2DD and when used to find S2DDs that are similar to a target S2DDs, they allow for a significant reduction in the number of SDDs to be compared with the target. This is an improvement over the state of the art wherein the computational expensive process of performing a complete search against the entire corpus must be applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.