Keyphrases
- information retrieval
- document collections
- relevant documents
- information retrieval systems
- web documents
- text analysis
- text documents
- xml documents
- document clustering
- document retrieval
- machine learning
- textual content
- vector space model
- document classification
- metadata
- vector space
- ranked list
- keywords
- expert finding
- electronic documents
- semantic information
- text categorization
- query expansion
- text collections
- retrieved documents
- document analysis
- database
- document content