Keyphrases
- question answering
- information retrieval
- natural language
- natural language processing
- named entities
- passage retrieval
- question answering systems
- information extraction
- cross language
- syntactic information
- question classification
- natural language questions
- relation extraction
- sentence retrieval
- qa clef
- answering questions
- commonsense reasoning
- qa systems
- textual entailment recognition
- open domain question answering
- answer extraction
- semantic roles
- artificial intelligence