Two is Better than Many? Binary Classification as an Effective Approach to Multi-Choice Question Answering.
Deepanway GhosalNavonil MajumderRada MihalceaSoujanya PoriaPublished in: CoRR (2022)
Keyphrases
- question answering
- binary classification
- multi class
- support vector
- learning problems
- cost sensitive
- information retrieval
- prediction accuracy
- multi label
- generalization error
- ensemble methods
- support vector machine
- natural language
- information extraction
- natural language processing
- question classification
- passage retrieval
- question answering systems
- class imbalance
- natural language questions
- artificial intelligence
- learning algorithm
- feature vectors
- machine learning
- qa clef
- decision trees
- syntactic information