Robust Educational Dialogue Act Classifiers with Low-Resource and Imbalanced Datasets.
Jionghao LinWei TanNgoc Dang NguyenDavid LangLan DuWray L. BuntineRichard BeareGuanliang ChenDragan GasevicPublished in: CoRR (2023)
Keyphrases
- imbalanced datasets
- imbalanced data
- decision trees
- class imbalance
- learning from imbalanced data
- training set
- feature selection algorithms
- e learning
- test set
- classification models
- cost sensitive learning
- sampling methods
- class distribution
- learning algorithm
- ensemble methods
- classification algorithm
- training samples
- training data
- decision boundary
- machine learning algorithms
- minority class
- feature selection