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Two dozen contributions disseminate among the data mining community a variety of methods for extracting, constructing, and selecting features from a large database. The first part includes studies of background, foundation, and general approaches. The other four parts can each stand alone; they describe selecting subsets, extracting features, constructing features, and combined approaches. Among the specific topics are the wrapper approach, selecting features by the vertical compactness of data, lexical contextual relations for the unsupervised discovery of texts features, constructing different types of new features for decision-tree learning, transforming features by decomposing functions, and feature selection based on an interactive genetic algorithm and its application to marketing data analysis. Annotation c. by Book News, Inc., Portland, Or.Product Details
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