-question answering.
Suzan VerberneLou BovesNelleke OostdijkPeter-Arno CoppenPublished in: SIGIR (2007)
Keyphrases
- question answering
- information extraction
- information retrieval
- question classification
- cross language
- passage retrieval
- natural language
- named entities
- natural language processing
- open domain question answering
- sentence retrieval
- answer extraction
- syntactic information
- relation extraction
- natural language questions
- qa clef
- semantic roles
- co occurrence
- qa systems
- question answering systems
- structured data
- relevance feedback
- artificial intelligence