Histogram-Based Dimensionality Reduction of Term Vector Space.
Krzysztof CiesielskiMieczyslaw A. KlopotekSlawomir T. WierzchonPublished in: CISIM (2007)
Keyphrases
- vector space
- dimensionality reduction
- low dimensional
- document representation
- cosine similarity
- distance measure
- high dimensional
- multidimensional scaling
- principal component analysis
- euclidean space
- vector space model
- retrieval model
- manifold learning
- similarity search
- latent semantic indexing
- term weights
- pattern recognition
- feature extraction
- covariance matrices
- high dimensional data
- data points
- feature vectors
- feature space
- sparse representation
- object tracking
- riemannian manifolds
- neural network
- database
- document space
- kernel pca
- mean shift
- euclidean distance
- image processing