Using Wikipedia at the TREC QA Track.
David AhnValentin JijkounGilad MishneKarin MüllerMaarten de RijkeStefan SchlobachPublished in: TREC (2004)
Keyphrases
- question answering
- information retrieval
- natural language processing
- clef ip
- test collection
- question classification
- open domain question answering
- passage retrieval
- information extraction
- cross language
- pseudo relevance feedback
- question answering systems
- natural language
- biomedical information retrieval
- open domain
- machine learning
- intellectual property
- retrieval effectiveness
- semantic roles
- candidate answers
- machine translation
- language model
- relevance feedback
- neural network
- blog opinion retrieval