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Improving imbalanced question classification using structured smote based approach

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Questions Classification (QC) is one of the most popular text classification applications. QC plays an important role in question-answering systems. However, as in many real-world classification problems, QC may suffer from the problem of class imbalance. The classification of imbalanced data has been a key problem in machine learning and data mining. In this paper, we propose a framework that deals with the class imbalance using a hierarchical SMOTE algorithm for balancing different types of questions. The proposed framework is grammar-based, which involves using the grammatical pattern for each question and using machine learning algorithms to classify them. Experimental
results imply that the proposed framework demonstrates a good level of accuracy in identifying different question types and handling class imbalance.
Original languageEnglish
Title of host publication2018 International Conference on Machine Learning and Cybernetics (ICMLC)
PublisherIEEE
Number of pages6
StateAccepted for publication - 17 May 2018
Event2018 International Conference on Machine Learning and Cybernetics - http://www.icmlc.com/icmlc/welcome.html, Chengdu, China
Duration: 15 Jul 201818 Jul 2018

Conference

Conference2018 International Conference on Machine Learning and Cybernetics
Abbreviated titleICMLC 2018
CountryChina
CityChengdu
Period15/07/1818/07/18

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ID: 10836398