Design patterns: elements of reusable object-oriented software
Design patterns: elements of reusable object-oriented software
Refactoring: improving the design of existing code
Refactoring: improving the design of existing code
A Metrics Suite for Object Oriented Design
IEEE Transactions on Software Engineering
An Efficient Algorithm to Compute Differences between Structured Documents
IEEE Transactions on Knowledge and Data Engineering
Identifying Refactorings from Source-Code Changes
ASE '06 Proceedings of the 21st IEEE/ACM International Conference on Automated Software Engineering
Supporting Refactoring Activities Using Histories of Program Modification
IEICE - Transactions on Information and Systems
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This paper proposes an automated technique to extract prehistories of software refactorings from existing software version archives, which in turn a technique to discover knowledge for finding refactoring opportunities. We focus on two types of knowledge to extract: characteristic modification histories, and fluctuations of the values of complexity measures. First, we extract modified fragments of code by calculating the difference of the Abstract Syntax Trees in the programs picked up from an existing software repository. We also extract past cases of refactorings, and then we create traces of program elements by associating modified fragments with cases of refactorings for finding the structures that frequently occur. Extracted traces help us identify how and where to refactor programs, and it leads to improve the program design.