Making large-scale support vector machine learning practical
Advances in kernel methods
The Journal of Machine Learning Research
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Sparseness of support vector machines
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The Journal of Machine Learning Research
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Proceedings of the 14th ACM SIGKDD international conference on Knowledge discovery and data mining
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Machine Learning
Hash Kernels for Structured Data
The Journal of Machine Learning Research
Large-scale support vector learning with structural kernels
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IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
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In this paper, we propose three important enhancements of the approximate cutting plane algorithm (CPA) to train Support Vector Machines with structural kernels: (i) we exploit a compact yet exact representation of cutting plane models using directed acyclic graphs to speed up both training and classification, (ii) we provide a parallel implementation, which makes the training scale almost linearly with the number of CPUs, and (iii) we propose an alternative sampling strategy to handle class-imbalanced problem and show that theoretical convergence bounds are preserved. The experimental evaluations on three diverse datasets demonstrate the soundness of our approach and the possibility to carry out fast learning and classification with structural kernes.