A Feature-based Classification Technique for Answering Multi-choice World History Questions: FRDC_QA at NTCIR-11 QA-Lab Task.
Shuangyong SongYao MengZhongguang ZhengJun SunPublished in: NTCIR (2014)
Keyphrases
- question answering
- question answer
- open domain
- qa clef
- question classification
- qa systems
- pattern recognition
- open domain question answering
- interactive question answering
- question answering systems
- supervised learning
- support vector machine svm
- classification accuracy
- machine learning
- candidate answers
- classification method
- classification scheme
- feature extraction
- automatic classification
- answer extraction
- feature space
- support vector
- natural language questions
- decision trees
- classification models
- image classification
- cross language
- test collection
- multi class
- information extraction
- support vector machine