Keyphrases
- digital documents
- xml documents
- information retrieval
- document retrieval
- document collections
- document clustering
- metadata
- semantic information
- information retrieval systems
- keywords
- free text
- relevant documents
- legal documents
- web documents
- database
- document classification
- text documents
- latent semantic analysis
- search engine
- electronic documents
- time stamped
- expert finding
- multimedia documents
- retrieved documents
- structured documents
- text analysis
- semantic relationships
- document representation
- vector space model
- user queries
- feature selection