A Noisy-Channel Approach to Question Answering.
Abdessamad EchihabiDaniel MarcuPublished in: ACL (2003)
Keyphrases
- question answering
- noisy channel
- error correction
- information retrieval
- discriminative training
- cross language
- natural language
- named entities
- passage retrieval
- information extraction
- error control
- question answering systems
- qa clef
- natural language processing
- semantic roles
- answer extraction
- natural language questions