Keyphrases
- web documents
- topic tracking
- natural language processing
- information extraction
- information filtering
- text classification
- text mining
- topic detection and tracking
- news stories
- news articles
- natural language
- machine learning
- information retrieval
- topic models
- video search
- named entities
- named entity recognition
- news events
- semantic analysis
- news video
- text summarization
- machine translation
- language specific
- knowledge representation
- text documents
- web pages
- question answering
- word sense disambiguation
- semantic relations
- n gram
- wordnet