A Knowledge-based Textual Entailment Approach applied to the QA Answer Validation at CLEF 2006.
Óscar FerrándezRafael M. TerolRafael MuñozPatricio Martínez-BarcoManuel PalomarPublished in: CLEF (Working Notes) (2006)
Keyphrases
- answer validation
- answer validation exercise
- textual entailment
- question answering
- qa clef
- recognizing textual entailment
- cross language
- qa systems
- machine learning
- natural language processing
- latent semantic indexing
- information retrieval
- syntactic information
- semantic features
- named entities
- information extraction
- question answering systems
- semantic roles
- answer extraction
- domain knowledge