POSTECH Question-Answering Experiments at NTCIR4-QAC.
Seung-Hoon NaIn-Su KangJong-Hyeok LeePublished in: NTCIR (2004)
Keyphrases
- question answering
- test collection
- question answering systems
- information retrieval
- cross language
- cross language information retrieval
- natural language processing
- information extraction
- named entities
- evaluation metrics
- passage retrieval
- qa clef
- natural language
- syntactic information
- answer validation
- question classification
- candidate answers
- textual entailment recognition
- relation extraction
- document collections
- semantic roles
- retrieval effectiveness
- sentence retrieval
- co occurrence
- artificial intelligence