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- W4376606857 abstract "Code changes are at the very core of software development and maintenance. Deep learning techniques have been used to build a model from a massive number of code changes to solve software engineering tasks, e.g., commit message generation and bug-fix commit identification. However, existing code change representation learning approaches represent code change as lexical tokens or syntactical AST (abstract syntax tree) paths, limiting the capability to learn semantics of code changes. Besides, they mostly do not consider noisy or tangled code change, hurting the accuracy of solved tasks. To address the above problems, we first propose a slice-based code change representation approach which considers data and control dependencies between changed code and unchanged code. Then, we propose a pre-trained sparse Transformer model, named CCS2VEC, to learn code change representations with three pre-training tasks. Our experiments by fine-tuning our pre-trained model on three downstream tasks have demonstrated the improvement of CCS2VEC over the state-of-the-art CC2VEC." @default.
- W4376606857 created "2023-05-17" @default.
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- W4376606857 date "2023-03-01" @default.
- W4376606857 modified "2023-09-25" @default.
- W4376606857 title "Slice-Based Code Change Representation Learning" @default.
- W4376606857 doi "https://doi.org/10.1109/saner56733.2023.00038" @default.
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