Applying Convolutional Neural Networks With Different Word Representation Techniques to Recommend Bug Fixers

IEEE Access

Minsoo Lee¹  Syed Farhan Alam Zaidi¹  Faraz Malik Awan²  Chan-Gun Lee²  Honguk Woo³ 

[1] CAU Institute of Innovative Talent of Big Data, Department of Computer Science and Engineering, Chung-Ang University, Seoul, South Korea;Department of Computer Science and Engineering, Chung-Ang University, Seoul, South Korea;Department of Software, Sungkyunkwan University, Suwon, South Korea;

关键词: Bug triage;    CNN;    GloVe;    Word2Vec;    ELMo;    word representation;   

DOI  :  10.1109/ACCESS.2020.3040065

来源: DOAJ

【 摘 要 】

Bug triage processes are intended to assign bug reports to appropriate developers effectively, but they typically become bottlenecks in the development process-especially for large-scale software projects. Recently, several machine learning approaches, including deep learning-based approaches, have been proposed to recommend an appropriate developer automatically by learning past assignment patterns. In this paper, we propose a deep learning-based bug triage technique using a convolutional neural network (CNN) with three different word representation techniques: Word to Vector (Word2Vec), Global Vector (GloVe), and Embeddings from Language Models (ELMo). Experiments were performed on datasets from well-known large-scale open-source projects, such as Eclipse and Mozilla, and top-k accuracy was measured as an evaluation metric. The experimental results suggest that the ELMo-based CNN approach performs best for the bug triage problem. GloVe-based CNN slightly outperforms Word2Vec-based CNN in many cases. Word2Vec-based CNN outperforms GloVe-based CNN when the number of samples per class in the dataset is high enough.

【 授权许可】

Unknown