Keyphrases
- information retrieval
- document collections
- relevant documents
- document retrieval
- information retrieval systems
- legal documents
- text documents
- metadata
- xml documents
- document clustering
- multimedia documents
- free text
- document representation
- website
- digital documents
- highly relevant
- document analysis
- structured documents
- semantic relationships
- web data
- text retrieval
- keywords
- retrieval systems
- user queries
- topic modeling
- ranked list
- retrieved documents
- xml format
- web documents