Issues in Extraction and Categorization for Question Answering.
David EichmannPublished in: New Directions in Question Answering (2003)
Keyphrases
- question answering
- information extraction
- natural language processing
- information retrieval
- named entities
- passage retrieval
- cross language
- question classification
- syntactic information
- text categorization
- natural language
- qa clef
- answer extraction
- relation extraction
- question answering systems
- automatic extraction
- sentence retrieval
- natural language questions
- qa systems
- candidate answers
- expert systems
- open domain question answering