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In recent years there is a rise in mining software repositories such as source code, bug and email achieves using modern machine learning algorithms. The learning algorithms extract hidden relationships from the above repositories. Some of the extracted patterns are non-trivial, previously unknown and potentially useful for future use. Such information is considered as new knowledge.
Several models have been developed for automatic bug reports prioritization (Kanwal, 2012), (Alenezi, 2013), (Xia, 2014), (Tian, 2015), (Kumari, 2018), (Waqar 2020), (Cheng 2020), (Sharma, 2020), (Li, 2020). These models were trained using the attributes constructed from the contents of bug reports for classification tasks.
Kanwal and Maqbool (2012) proposed an approach to prioritize bug reports using Na ̈ıve Bayes and Support Vector Machine (SVM) classifiers. They use both categorical and textual data for classification and measure the prediction quality of models using precision and recall.