Keyphrases
- document retrieval
- information retrieval
- term frequency
- document collections
- information retrieval systems
- relevant documents
- term weighting
- web documents
- text retrieval
- xml documents
- database
- text documents
- metadata
- document classification
- term weighting schemes
- average precision
- scoring function
- free text
- retrieval model
- document ranking
- weighting schemes
- ir models
- legal documents
- digital documents
- retrieved documents
- latent semantic indexing
- document representation
- vector space model
- ranked list
- ranking functions
- query terms
- vector space
- retrieval systems
- keywords