Comparison and Evaluation of Clone Detection Tools
IEEE Transactions on Software Engineering
Empirical evaluation of clone detection using syntax suffix trees
Empirical Software Engineering
Comparison and evaluation of code clone detection techniques and tools: A qualitative approach
Science of Computer Programming
Searching for better configurations: a rigorous approach to clone evaluation
Proceedings of the 2013 9th Joint Meeting on Foundations of Software Engineering
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Code clone detection has been so far tackled with several approaches (mainly textual, syntactic, and semantic), each performing best w.r.t. specific metrics and against consolidated but specific benchmarks. Hybrid approaches have been recently proposed as well. This paper proposes a novel hybrid (syntactic, textual) approach using the abstract syntax tree to identify clone candidates and textual methods to discard false positives. The novelty of the approach is in the combination of two well-grounded techniques, in a way that has not been explored yet. The paper shows the result of empirical evaluation methods and hints of a prototype implementation. Initial experimental results show that the approach is effective and can find clones that were not detected by state of the art approaches.