Vector Space Basis Change in Information Retrieval.
Rabeb MbarekMohamed TmarHawete HattabPublished in: Computación y Sistemas (2014)
Keyphrases
- vector space
- vector space model
- retrieval model
- information retrieval
- latent semantic indexing
- distance measure
- tf idf
- euclidean space
- document representation
- term weighting
- low dimensional
- search engine
- similarity search
- information retrieval systems
- covariance matrices
- text retrieval
- text mining
- ir models
- feature vectors
- computer vision
- term weights
- neural network
- query expansion
- retrieval effectiveness
- document retrieval
- test collection
- riemannian manifolds
- information extraction
- data sets