Keyphrases
- information retrieval
- document collections
- document classification
- web documents
- relevant documents
- information retrieval systems
- keywords
- document retrieval
- text documents
- user queries
- metadata
- xml documents
- document clustering
- document content
- document analysis
- multi document summarization
- document set
- legal documents
- latent semantic analysis
- privacy concerns
- document representation
- free text
- ranked list
- query terms
- semantic information
- query processing