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We present a new support vector machine (SVM) algorithm and graphical methods for mining very large datasets. We develop the active selection of training data points that can significantly reduce the training set in the SVM classification. We summarize the massive datasets into interval data. We adapt the RBF kernel used by the SVM algorithm to deal with this interval data. We only keep the data points corresponding to support vectors and the representative data points of non support vectors. Thus the SVM algorithm uses this subset to construct the non-linear model. We also use interactive graphical methods for trying to explain the SVM results. The graphical representation of IF-THEN rules extracted from the SVM models can be easily interpreted by humans. The user deeply understands the SVM models’ behaviour towards data. The numerical test results are obtained on real and artificial datasets.

MINING VERY LARGE DATASETS WITH SVM AND VISUALIZATION