Keyphrases
- structured documents
- electronic documents
- information retrieval
- real time
- document classification
- information retrieval systems
- web documents
- logical structure
- document collections
- legal documents
- metadata
- text documents
- document clustering
- xml documents
- vector space model
- data processing
- keywords
- document structure
- text processing
- time stamped
- extensible markup language
- latent semantic analysis
- free text
- vector space
- user queries
- semantic information
- information processing
- digital libraries