Evaluating Passage Retrieval Approaches for Question Answering.
Ian RobertsRobert J. GaizauskasPublished in: ECIR (2004)
Keyphrases
- question answering
- passage retrieval
- question answering systems
- information retrieval
- document retrieval
- sentence retrieval
- natural language processing
- information extraction
- syntactic information
- query expansion
- natural language
- document collections
- language model
- retrieval systems
- image classification
- audio visual
- quantitative evaluation
- keywords