The Use of Predictive Annotation for Question Answering in TREC8.
John M. PragerDragomir R. RadevEric W. BrownAnni CodenValerie SamnPublished in: TREC (1999)
Keyphrases
- question answering
- information retrieval
- question answering systems
- natural language processing
- active learning
- natural language
- passage retrieval
- metadata
- cross language
- question classification
- natural language questions
- information extraction
- named entities
- qa clef
- image annotation
- sentence retrieval
- image retrieval
- open domain question answering
- syntactic information
- answer validation
- machine learning
- test set
- multi modal