-question answering.
Suzan VerberneHans van HalterenDaphne TheijssenStephan RaaijmakersLou BovesPublished in: Inf. Retr. (2011)
Keyphrases
- question answering
- natural language processing
- cross language
- natural language
- passage retrieval
- information retrieval
- information extraction
- named entities
- qa clef
- natural language questions
- syntactic information
- question classification
- relation extraction
- answer extraction
- answer validation
- query expansion
- xml documents
- semantic roles
- answering questions
- open domain question answering