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Search for: textual-data-augmentation
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    Deep Semi-Supervised Text Classification

    , M.Sc. Thesis Sharif University of Technology Karimi, Ali (Author) ; Semati, Hossein (Supervisor)
    Abstract
    Large data sources labeled by experts at cost are essential for deep learning success in various domains. But, when labeling is expensive and labeled data is scarce, deep learning generally does not perform well. The goal of semi-supervised learning is to leverage abundant unlabeled data that one can easily collect. New semi-supervised algorithms based on data augmentation techniques have reached new advances in this field. In this work, by studying different textual augmentation techniques, a new approach is proposed that can obtain effective information signals from unlabeled data. The method encourages the model to generate the same representation vectors for different augmented versions...