Question Answering Using the DLT System at TREC 2002.
Richard F. E. SutcliffePublished in: TREC (2002)
Keyphrases
- question answering
- natural language processing
- natural language
- information extraction
- information retrieval
- question answering systems
- question classification
- cross language
- natural language questions
- qa clef
- relation extraction
- answer validation
- answering questions
- passage retrieval
- artificial intelligence
- qa systems
- named entities
- syntactic information
- knowledge representation
- probabilistic model
- expert systems
- open domain question answering