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Document clustering is a popular topic in data mining and information retrieval. Most models and methods for this problem are based on computing the similarity between pair documents modeled in a space of all terms, or a new feature space obtained by applying a topic modeling technique for a given corpus. In this paper, we regard these two ideas as clustering on term feature and on semantic feature,...
How to classify the data sets with vast information amount and large distribution fluctuation, which is always the research hotspot. This paper puts forward an improved SVM incremental learning algorithm by comparing the different incremental learning methods of SVM algorithm. In the algorithm, whether to violate the KTT conditions is regarded as an important basis for incremental data set. And the...
A novel class based linear dimensionality reduction method is proposed, called Class-Wise Correlation Preserving Projection (CWCPP). In CWCPP, the relation among the original gene expression data is preserved according to a certain kind of similarity between data points, which takes special consideration of both the correlation information and the class information. Different from the traditional...
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