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Improvements to Platt’s SMO algorithm for SVM classifier design. (English) Zbl 1085.68629

Summary: This article points out an important source of inefficiency in Platt’s sequential minimal optimization (SMO) algorithm that is caused by the use of a single threshold value. Using clues from the KKT conditions for the dual problem, two threshold parameters are employed to derive modifications of SMO. These modified algorithms perform significantly faster than the original SMO on all benchmark data sets tried.

MSC:

68T05 Learning and adaptive systems in artificial intelligence

Software:

SVMlight
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References:

[1] DOI: 10.1080/10556789208805504
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