Question-answering by predictive annotation.
John M. PragerEric W. BrownAnni CodenDragomir R. RadevPublished in: SIGIR (2000)
Keyphrases
- question answering
- information extraction
- natural language
- question classification
- image annotation
- information retrieval
- named entities
- active learning
- natural language processing
- cross language
- question answering systems
- metadata
- relation extraction
- natural language questions
- image retrieval
- machine learning
- answering questions
- qa clef
- open domain question answering
- passage retrieval
- candidate answers
- answer extraction
- qa systems
- syntactic information
- semantic roles
- answer validation