Web-Based Question Answering: A Decision-Making Perspective.
David AzariEric HorvitzSusan T. DumaisEric BrillPublished in: UAI (2003)
Keyphrases
- question answering
- natural language processing
- information extraction
- qa clef
- question classification
- information retrieval
- cross language
- named entities
- syntactic information
- natural language questions
- natural language
- passage retrieval
- data mining
- question answering systems
- answer extraction
- multimedia
- sentence retrieval
- textual entailment recognition
- speech transcripts
- answer validation
- semantic roles
- relation extraction
- knowledge base
- test set
- multi modal
- language model
- expert systems