Question Answering Using the DLT System at TREC 2004.
Richard F. E. SutcliffeIgal GabbayKieran WhiteAoife O'GormanMichael MulcahyPublished in: TREC (2004)
Keyphrases
- question answering
- natural language processing
- information retrieval
- information extraction
- natural language
- question answering systems
- question classification
- named entities
- qa clef
- passage retrieval
- natural language questions
- syntactic information
- cross language
- answer validation
- semantic roles
- data mining
- candidate answers
- relation extraction
- information access
- open domain question answering