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Listar por palabra clave "Class imbalance"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por palabra clave "Class imbalance"

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    Extracting Features from Textual Data in Class Imbalance Problems 
    Aravamuthan, Sarang; Jogalekar, Prasad; Lee, Jonghae (Universitat Politècnica de València, 2022-11-23)
    [EN] We address class imbalance problems. These are classification problems where the target variable is binary, and one class dominates over the other. A central objective in these problems is to identify features that ...
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    Irony Detection in Twitter with Imbalanced Class Distributions 
    Hernandez-Farias, Delia Irazu; Prati, Ronaldo; Herrera, Francisco; Rosso, Paolo (IOS Press, 2020)
    [EN] Irony detection is a not trivial problem and can help to improve natural language processing tasks as sentiment analysis. When dealing with social media data in real scenarios, an important issue to address is data ...
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    Sampling Techniques to Overcome Class Imbalance in a Cyberbullying Context 
    Colton, David; Hofmann, Markus (Universitat Politècnica de València, 2019-07-16)
    [EN] The majority of datasets suffer from class imbalance where samples of a dominant class significantly outnumber the samples available for the minority class that is to be detected. Prediction and classification machine ...