Re-ranking Passages with LSA in a Question Answering System.
David TomásJosé Luis Vicedo GonzálezPublished in: CLEF (2006)
Keyphrases
- question answering
- candidate answers
- ranked list
- question answering systems
- latent semantic analysis
- natural language
- ranking algorithm
- learning to rank
- web search
- passage retrieval
- question classification
- ranking functions
- information retrieval
- rank aggregation
- document retrieval
- evaluation measures
- collaborative filtering
- rank order
- text summarization
- named entities
- relevance ranking
- feature space
- neural network