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21	A Topic Modeling approach for Code Clone Detection Khan, Mohammed Salman 01 January 2019 (has links) In this thesis work, the potential benefits of Latent Dirichlet Allocation (LDA) as a technique for code clone detection has been described. The objective is to propose a language-independent, effective, and scalable approach for identifying similar code fragments in relatively large software systems. The main assumption is that the latent topic structure of software artifacts gives an indication of the presence of code clones. It can be hypothesized that artifacts with similar topic distributions contain duplicated code fragments and to prove this hypothesis, an experimental investigation using multiple datasets from various application domains were conducted. In addition, CloneTM, an LDA-based working prototype for code clone detection was developed. Results showed that, if calibrated properly, topic modeling can deliver a satisfactory performance in capturing different types of code clones, showing particularity good performance in detecting Type III clones. CloneTM also achieved levels of performance comparable to already existing practical tools that adopt different clone detection strategies. Thesis University of North Florida UNF code clone clone detection topic modeling machine learning software refactoring software engineering Latent Dirichlet Allocation -- Testing Topic models -- Testing Generative statistical models -- Testing Code clone detection -- Software CloneTM -- Testing Computer and Systems Architecture Software Engineering

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A Topic Modeling approach for Code Clone Detection