Two is Better than Many? Binary Classification as an Effective Approach to Multi-Choice Question Answering.
Deepanway GhosalNavonil MajumderRada MihalceaSoujanya PoriaPublished in: EMNLP (2022)
Keyphrases
- question answering
- binary classification
- multi class
- support vector
- learning problems
- cost sensitive
- information retrieval
- support vector machine
- multi label
- generalization error
- information extraction
- prediction accuracy
- natural language processing
- passage retrieval
- natural language
- question classification
- syntactic information
- qa clef
- class imbalance
- question answering systems
- ensemble methods
- natural language questions
- model selection
- learning algorithm
- machine learning
- non stationary
- text mining
- supervised learning
- knowledge representation
- data sets