On Modeling of Information Retrieval Concepts in Vector Space.
S. K. Michael WongWojciech ZiarkoVijay V. RaghavanP. C. N. WongPublished in: ACM Trans. Database Syst. (1987)
Keyphrases
- vector space
- vector space model
- information retrieval
- retrieval model
- latent semantic indexing
- ir models
- concept space
- information retrieval systems
- distance measure
- feature vectors
- euclidean space
- low dimensional
- document representation
- finite dimensional
- riemannian manifolds
- covariance matrices
- similarity search
- retrieval effectiveness
- retrieval systems
- language model
- information extraction
- term weights
- document space
- machine learning
- term frequency
- text retrieval
- probabilistic model
- feature extraction