An Open-domain Question Answering System for NTCIR-8 C-C Task.
Guiping ZhangWubei ZhangYu BaiShengqiao KangPeiyan WangPublished in: NTCIR (2010)
Keyphrases
- open domain
- test collection
- question answering
- information extraction
- evaluation metrics
- question answering systems
- patent retrieval
- cross language information retrieval
- retrieval effectiveness
- machine learning
- databases
- retrieval model
- natural language processing
- graded relevance
- average precision
- relevant documents
- natural language
- knowledge base
- artificial intelligence
- information retrieval