Keyphrases
- question answer
- frequently asked
- answer questions
- multiple choice questions
- correct answers
- community based question answering
- web snippets
- question answering systems
- natural language questions
- answering questions
- candidate answers
- qa systems
- multiple choice
- belief revision
- question answering
- knowledge base
- answer extraction
- community question answering
- frequently asked questions
- asked questions
- artificial intelligence
- databases
- revision operators
- e learning
- machine learning
- data mining