Experiments with LSA for Passage Re-Ranking in Question Answering.
David TomásJosé Luis Vicedo GonzálezEmpar BisbalLidia MorenoPublished in: CLEF (Working Notes) (2006)
Keyphrases
- question answering
- candidate answers
- passage retrieval
- natural language processing
- ranking algorithm
- web search
- information retrieval
- natural language
- information extraction
- named entities
- learning to rank
- qa clef
- question answering systems
- cross language
- syntactic information
- question classification
- ranking functions
- text summarization
- qa systems
- sentence retrieval
- answering questions
- answer validation