Method for using the second homotopy group in assessing the...

Details Method for using the second homotopy group in assessing the... Method for using the second homotopy group in assessing the...

2007-11-16

2010-12-07

Vincent, David R (Department: 2129)

Data processing: artificial intelligence

Knowledge processing system

Reexamination Certificate

active

07849038

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.

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