Broadening Vector Space Schemes for Improving the Quality of Information Retrieval.
Kotagiri RamamohanaraoLaurence Anthony F. ParkPublished in: APWeb (2005)
Keyphrases
- vector space
- vector space model
- retrieval model
- information retrieval
- latent semantic indexing
- feature vectors
- euclidean space
- distance measure
- low dimensional
- document representation
- information retrieval systems
- retrieval effectiveness
- text retrieval
- database
- information extraction
- concept space
- query expansion
- text mining
- tf idf
- high dimensional
- covariance matrices
- riemannian manifolds
- latent semantic
- web documents
- nearest neighbor
- term frequency
- term weighting
- ir models