Procedural semantics for a question-answering machine.
William A. WoodsPublished in: AFIPS Fall Joint Computing Conference (1) (1968)
Keyphrases
- question answering
- procedural semantics
- rule based systems
- logic programming
- natural language
- question classification
- information retrieval
- natural language processing
- information extraction
- cross language
- syntactic information
- passage retrieval
- logic programs
- relation extraction
- named entities
- question answering systems
- answer extraction
- database
- semantic roles
- artificial intelligence
- qa systems
- qa clef
- sentence retrieval
- databases