On Evaluating the Contribution of Validation for Question Answering.
Álvaro RodrigoAnselmo PeñasPublished in: IEEE Trans. Knowl. Data Eng. (2015)
Keyphrases
- question answering
- natural language
- natural language processing
- question classification
- information retrieval
- passage retrieval
- syntactic information
- named entities
- cross language
- qa clef
- open domain question answering
- information extraction
- question answering systems
- answer validation
- natural language questions
- artificial intelligence
- candidate answers
- relation extraction
- xml documents