Keyphrases
- question answering
- qa clef
- qa systems
- question classification
- answer extraction
- natural language processing
- natural language
- answer validation
- question answering systems
- natural language parsing
- semantic parsing
- question answer
- natural language questions
- candidate answers
- open domain question answering
- open domain
- information retrieval
- interactive question answering
- named entities
- information extraction
- artificial intelligence
- passage retrieval
- cross language
- speech understanding
- intermediate representation
- word order
- relation extraction
- data sets
- syntactic information
- parse tree
- search engine