Keyphrases
- document collections
- information retrieval
- web documents
- document classification
- document retrieval
- information retrieval systems
- legal documents
- text documents
- xml documents
- textual content
- relevant documents
- metadata
- document analysis
- electronic documents
- wide variety
- keywords
- text classification
- database
- text retrieval
- free text
- document representation
- structured documents
- multimedia documents
- digital documents