Cost-Sensitive Learning in Answer Extraction.
Michael WiegandJochen L. LeidnerDietrich KlakowPublished in: LREC (2008)
Keyphrases
- cost sensitive learning
- answer extraction
- question answering
- cost sensitive
- cross lingual
- class imbalance
- probability estimation
- missing values
- cross language
- syntactic information
- misclassification costs
- semantic roles
- class distribution
- information retrieval
- active learning
- decision trees
- natural language processing
- neural network
- rule extraction
- information extraction
- natural language
- machine learning
- artificial intelligence
- learning models
- support vector machine
- supervised learning
- multi class