CLEF 2009 Question Answering Experiments at Tokyo Institute of Technology.
Matthias H. HeieJosef R. NovakEdward W. D. WhittakerSadaoki FuruiPublished in: CLEF (Working Notes) (2009)
Keyphrases
- question answering
- cross language
- passage retrieval
- natural language
- natural language processing
- qa clef
- information retrieval
- information extraction
- question answering systems
- question classification
- syntactic information
- relation extraction
- named entities
- open domain question answering
- qa systems
- candidate answers
- natural language questions
- semantic roles
- machine learning
- answer extraction
- answering questions
- speech transcripts