TREC 2005 Question Answering Experiments at Tokyo Institute of Technology.
Edward W. D. WhittakerPierre ChatainSadaoki FuruiDietrich KlakowPublished in: TREC (2005)
Keyphrases
- question answering
- information retrieval
- cross language
- natural language
- question classification
- information extraction
- natural language processing
- question answering systems
- syntactic information
- passage retrieval
- relation extraction
- named entities
- open domain question answering
- qa clef
- sentence retrieval
- natural language questions
- candidate answers
- knowledge base
- answering questions
- answer validation
- machine learning
- language model
- keywords
- answer extraction
- textual entailment recognition