Keyphrases
- question classification
- question answering
- question answer
- qa clef
- answer extraction
- qa systems
- interactive question answering
- open domain question answering
- answer validation
- open domain
- question answering systems
- candidate answers
- natural language questions
- cross lingual
- database
- query expansion
- correct answers
- knowledge base
- e learning
- computer vision
- neural network
- data sets