Evaluation of Complex Temporal Questions in CLEF-QA.
Estela SaqueteJosé Luis Vicedo GonzálezPatricio Martínez-BarcoRafael MuñozPublished in: CLEF (Working Notes) (2004)
Keyphrases
- question answering
- qa systems
- qa clef
- open domain
- question answer
- question answering systems
- evaluation campaigns
- natural language questions
- answer extraction
- real world
- complex systems
- spatio temporal
- information retrieval
- temporal ordering
- open domain question answering
- machine learning
- question classification
- candidate answers
- evaluation method
- test collection
- high level
- temporal databases
- cross language
- temporal information
- spatial and temporal
- query expansion