Approaching Question Answering by Means of Paragraph Validation.
Álvaro RodrigoJoaquín Pérez-IglesiasAnselmo PeñasGuillermo GarridoLourdes AraujoPublished in: CLEF (1) (2009)
Keyphrases
- question answering
- passage retrieval
- information extraction
- information retrieval
- natural language
- natural language processing
- question classification
- cross language
- syntactic information
- question answering systems
- sentence retrieval
- open domain question answering
- artificial intelligence
- named entities
- qa clef
- knowledge representation
- answering questions
- relation extraction
- document retrieval
- semantic roles
- language model
- qa systems
- text mining