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  Training and Approximation of a Primal Multiclass Support Vector Machine

Zien, A., De Bona, F., & Ong, C. (2007). Training and Approximation of a Primal Multiclass Support Vector Machine. In C. Skiadas (Ed.), XIIth International Conference on Applied Stochastic Models and Data Analysis (ASMDA 2007).

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-CD6D-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0010-53C4-3
Genre: Conference Paper

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 Creators:
Zien, A1, Author           
De Bona, F, Author           
Ong, CS1, Author           
Affiliations:
1Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              

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 Abstract: We revisit the multiclass support vector machine (SVM) and generalize the formulation to convex loss functions and joint feature maps. Motivated by recent work [Chapelle, 2006] we use logistic loss and softmax to enable gradient based primal optimization. Kernels are incorporated via kernel principal component analysis (KPCA), which naturally leads to approximation methods for large scale problems. We investigate similarities and differences to previous multiclass SVM approaches. Experimental comparisons to previous approaches and to the popular one-vs-rest SVM are presented on several different datasets.

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 Dates: 2007-06
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 3983
 Degree: -

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Title: XIIth International Conference on Applied Stochastic Models and Data Analysis (ASMDA 2007)
Place of Event: Chania, Greece
Start-/End Date: 2007-05-29 - 2007-06-01

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Title: XIIth International Conference on Applied Stochastic Models and Data Analysis (ASMDA 2007)
Source Genre: Proceedings
 Creator(s):
Skiadas, CH, Editor
Affiliations:
-
Publ. Info: -
Pages: 8 Volume / Issue: - Sequence Number: 1 Start / End Page: - Identifier: -