Keyphrases
- xml documents
- document collections
- information retrieval
- information retrieval systems
- document retrieval
- document classification
- legal documents
- electronic documents
- text documents
- database
- time stamped
- highly relevant
- latent semantic analysis
- digital documents
- document content
- retrieved documents
- structured documents
- text analysis
- document representation
- free text
- web data
- keywords
- relevant documents
- clustering algorithm
- web documents
- ranked list
- document analysis
- document clustering
- distributed information retrieval
- metadata
- digital libraries
- xml format
- user queries