WHU Question Answering System at NTCIR-8 ACLIA Task.
Han RenDonghong JiJing WanPublished in: NTCIR (2010)
Keyphrases
- test collection
- question answering
- natural language
- web retrieval
- evaluation metrics
- information retrieval
- patent retrieval
- trec web
- ir evaluation
- question classification
- answer validation
- open domain
- data mining
- cross lingual information retrieval
- evaluation framework
- retrieval systems
- data sets
- question answering systems
- average precision
- retrieval model
- english chinese
- query expansion
- learning algorithm
- semantic similarity computation