CLEF2007 Question Answering Experiments at Tokyo Institute of Technology.
Edward W. D. WhittakerJosef R. NovakMatthias H. HeieSadaoki FuruiPublished in: CLEF (Working Notes) (2007)
Keyphrases
- question answering
- natural language
- information retrieval
- passage retrieval
- natural language processing
- cross language
- question classification
- named entities
- information extraction
- sentence retrieval
- qa clef
- natural language questions
- answer extraction
- question answering systems
- syntactic information
- relation extraction
- qa systems
- semantic roles
- text classification
- text mining
- answering questions
- search engine