Keyphrases
- question answering
- question classification
- natural language questions
- question answering systems
- qa systems
- answer validation
- answering questions
- candidate answers
- answer extraction
- question answer pairs
- qa clef
- natural language processing
- cross language
- natural language
- information extraction
- passage retrieval
- information retrieval
- syntactic information
- artificial intelligence
- relation extraction
- sql queries
- named entities
- multi modal
- knowledge base
- retrieval model
- document retrieval
- open domain question answering