Keyphrases
- news corpus
- news articles
- keywords
- person names
- named entities
- document collections
- automatic summarization
- text documents
- relevant documents
- news stories
- indian languages
- web documents
- news items
- information retrieval systems
- information retrieval
- xml documents
- metadata
- named entity recognition
- document classification
- topic detection
- textual content
- document clustering
- document representation
- vector space model
- retrieval systems
- probabilistic model
- document level
- text corpus
- user queries
- test collection
- search engine