Evaluating Unsupervised Dimensionality Reduction Methods for Pretrained Sentence Embeddings.
Gaifan ZhangYi ZhouDanushka BollegalaPublished in: LREC/COLING (2024)
Keyphrases
- dimensionality reduction methods
- discriminant projection
- dimensionality reduction
- manifold learning
- unsupervised learning
- principal component analysis
- low dimensional
- nonlinear dimensionality reduction
- discriminant analysis
- distance measure
- feature extraction
- high dimensional data
- high dimensional
- preprocessing step
- semi supervised
- high dimensionality
- natural language
- knn
- random projections
- data sets
- linear discriminant analysis
- data points
- pattern recognition
- principal components analysis
- decision trees
- principal components
- supervised learning
- computer vision
- training data
- machine learning
- neural network