Keyphrases
- question answering
- natural language processing
- visual information
- named entities
- information retrieval
- natural language
- passage retrieval
- information extraction
- open domain question answering
- cross language
- low level
- relation extraction
- question classification
- qa clef
- natural language questions
- syntactic information
- answer extraction
- question answering systems
- test set
- answer validation
- textual entailment recognition
- multi modal
- sentence retrieval
- relational databases