NTCIR-6 CLQA Question Answering Experiments at the Tokyo Institute of Technology.
Josef R. NovakEdward W. D. WhittakerMatthias H. HeieShuichiro ImaiSadaoki FuruiPublished in: NTCIR (2007)
Keyphrases
- question answering
- question classification
- qa clef
- natural language processing
- cross language
- information retrieval
- information extraction
- natural language
- open domain question answering
- passage retrieval
- natural language questions
- question answering systems
- relation extraction
- answer validation
- syntactic information
- test collection
- artificial intelligence
- feature weighting
- semantic roles
- named entities
- qa systems
- sentence retrieval
- expert systems
- textual entailment recognition