Question Answering using the DLT System at TREC 2003.
Richard F. E. SutcliffeIgal GabbayMichael MulcahyKieran WhitePublished in: TREC (2003)
Keyphrases
- question answering
- information retrieval
- cross language
- information extraction
- natural language processing
- syntactic information
- natural language
- question classification
- named entities
- qa clef
- passage retrieval
- natural language questions
- question answering systems
- open domain question answering
- relation extraction
- expert systems
- knowledge base
- semantic roles
- qa systems
- probabilistic model
- answer validation
- textual entailment recognition
- data mining