Keyphrases
- information retrieval
- document clustering
- information retrieval systems
- document collections
- web documents
- text documents
- document classification
- free text
- document retrieval
- vector space
- keywords
- retrieval systems
- database
- relevant documents
- plagiarism detection
- latent semantic analysis
- xml documents
- data sets
- language model
- vector space model
- latent semantic indexing
- metadata