Inferential question answering in a textual data base.
Robert F. SimmonsPublished in: ACM Annual Conference (1976)
Keyphrases
- question answering
- natural language
- database
- information retrieval
- natural language processing
- information extraction
- cross language
- databases
- question answering systems
- keywords
- multimedia
- named entities
- qa clef
- candidate answers
- natural language questions
- open domain question answering
- relation extraction
- passage retrieval
- metadata
- syntactic information
- data mining
- free text
- question classification
- answer validation
- artificial intelligence