The nature of statistical learning theory
The nature of statistical learning theory
Pairwise classification and support vector machines
Advances in kernel methods
Data Structures and Algorithm Analysis in C++ (3rd Edition)
Data Structures and Algorithm Analysis in C++ (3rd Edition)
A comparison of methods for multiclass support vector machines
IEEE Transactions on Neural Networks
Enhancing directed binary trees for multi-class classification
Information Sciences: an International Journal
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Directed Acyclic Graph-Support Vector Machine (DAG-SVM) is a novel algorithm for multi-class classification. For an N-class problem, it constructs N(N-1)/2 classifiers, one for each pair of classes. Based on SVM decision function, an efficient data structure is used to express the decision node in the graph and an improved decision algorithm is used to find the class of each test sample. This new approach remedies some weakness of the DDAG caused by its structure and its sequence of nodes, and makes the decision faster and more accurate. Experimental results on benchmark dataset show the efficiency and improvement of our method.