Keyphrases
- vector space
- concept space
- distance measure
- retrieval model
- euclidean space
- latent semantic indexing
- low dimensional
- similarity search
- covariance matrices
- feature vectors
- co occurrence
- vector space model
- document representation
- neural network
- n gram
- databases
- database
- riemannian manifolds
- term frequency
- shape analysis
- probabilistic model
- database systems