Using Semantic Roles to Improve Question Answering.
Dan ShenMirella LapataPublished in: EMNLP-CoNLL (2007)
Keyphrases
- question answering
- semantic roles
- semantic parsing
- natural language processing
- syntactic information
- information extraction
- semantic role labeling
- information retrieval
- natural language
- cross language
- named entities
- relation extraction
- question answering systems
- answer extraction
- text categorization
- semantic relations