Advantages of a Transformational Grammar for Question Answering.
Fred DamerauPublished in: IJCAI (1977)
Keyphrases
- question answering
- natural language
- information retrieval
- information extraction
- natural language processing
- named entities
- question classification
- passage retrieval
- question answering systems
- natural language questions
- qa clef
- cross language
- syntactic information
- open domain question answering
- linguistic knowledge
- candidate answers
- relation extraction
- semantic roles
- test collection
- query expansion
- information retrieval systems