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Approximate Maximum Margin Algorithms with Rules Controlled by the Number of Mistakes

Tsampouka, Petroula and Shawe-Taylor, John (2006) Approximate Maximum Margin Algorithms with Rules Controlled by the Number of Mistakes s.n.

Record type: Monograph (Project Report)


We present a family of Perceptron-like algorithms with margin in which both the “effective” learning rate, defined as the ratio of the learning rate to the length of the weight vector, and the misclassification condition are independent of the length of the weight vector but, instead, are entirely controlled by rules involving (powers of) the number of mistakes. We examine the convergence of such algorithms in a finite number of steps and show that under some rather mild assumptions there exists a limit of the parameters involved in which convergence leads to classification with maximum margin. Very encouraging experimental results obtained using algorithms which belong to this family are also presented.

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Published date: September 2006
Keywords: Perceptrons, large margin classifiers
Organisations: Electronics & Computer Science


Local EPrints ID: 262949
PURE UUID: 9aa3a85f-a4dd-470d-b26c-5b95587cb7cc

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Date deposited: 08 Sep 2006
Last modified: 18 Jul 2017 08:46

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Author: Petroula Tsampouka
Author: John Shawe-Taylor

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