Knowledge-Based Question Answering.
Fabio RinaldiJames DowdallMichael HessDiego Mollá AliodRolf SchwitterKaarel KaljurandPublished in: KES (2003)
Keyphrases
- question answering
- natural language processing
- information retrieval
- information extraction
- natural language
- named entities
- cross language
- natural language questions
- expert systems
- question classification
- open domain question answering
- passage retrieval
- qa clef
- question answering systems
- relation extraction
- semantic roles
- textual entailment recognition
- syntactic information
- sentence retrieval
- text categorization