Toshiba ASKMi at NTCIR-4 QAC2.
Tetsuya SakaiYoshimi SaitoYumi IchimuraMakoto KoyamaTomoharu KokubuPublished in: NTCIR (2004)
Keyphrases
- test collection
- patent retrieval
- web retrieval
- evaluation metrics
- question answering
- ir evaluation
- cross language information retrieval
- trec web
- question answering systems
- machine learning
- decision trees
- retrieval model
- evaluation framework
- database
- retrieval effectiveness
- bayesian networks
- search tasks
- document collections
- case study
- databases
- neural network
- english chinese
- cross lingual information retrieval
- information retrieval
- artificial intelligence
- prior art
- website
- average precision
- language model
- text classification