Approaching Question Answering by means of Paragraph Validation.
Álvaro RodrigoJoaquín Pérez-IglesiasAnselmo PeñasGuillermo GarridoLourdes AraujoPublished in: CLEF (Working Notes) (2009)
Keyphrases
- question answering
- passage retrieval
- information extraction
- natural language processing
- question classification
- information retrieval
- natural language
- named entities
- question answering systems
- natural language questions
- cross language
- syntactic information
- relation extraction
- open domain question answering
- qa systems
- qa clef
- answering questions
- answer extraction
- data mining
- sentence retrieval