Keyphrases
- information retrieval
- information retrieval systems
- xml documents
- document classification
- document collections
- interactive retrieval
- legal documents
- user friendly
- document retrieval
- relevant documents
- text documents
- keywords
- metadata
- virtual reality
- user queries
- database
- document analysis
- text retrieval
- document clustering
- retrieval systems
- web documents
- computer graphics
- user interaction
- free text
- query expansion
- vector space model
- document set
- digital libraries
- electronic documents
- digital documents
- information extraction
- query processing