Keyphrases
- information retrieval
- document collections
- document classification
- web documents
- sensor networks
- document repositories
- information retrieval systems
- relevant documents
- text documents
- document retrieval
- legal documents
- structured documents
- document clustering
- database
- text classification
- digital documents
- document content
- time stamped
- textual content
- multimedia documents
- text analysis
- data streams
- text retrieval
- semantic information