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    Article

    Feature construction as a bi-level optimization problem

    Feature selection and construction are important preprocessing techniques in data mining. They allow not only dimensionality reduction but also classification accuracy and efficiency improvement. While feature...

    Marwa Hammami, Slim Bechikh, Ali Louati… in Neural Computing and Applications (2020)

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    Chapter and Conference Paper

    Class-Dependent Weighted Feature Selection as a Bi-Level Optimization Problem

    Feature selection aims at selecting relevant features from the original feature set, but these features do not have the same degree of importance. This can be achieved by feature weighting, which is a method f...

    Marwa Hammami, Slim Bechikh, Chih-Cheng Hung… in Neural Information Processing (2020)