Keyphrases
- information retrieval
- information retrieval systems
- document collections
- relevant documents
- document clustering
- document representation
- database
- text documents
- web documents
- xml documents
- document classification
- legal documents
- digital documents
- textual content
- latent semantic analysis
- vector space model
- free text
- keywords
- ranked list
- web data
- similarity measure
- metadata
- document analysis
- user queries
- expert finding
- logical structure
- distributed information retrieval
- semantic information
- web search engines