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2022-09-09
White, Riley, Sprague, Nathan.  2021.  Deep Metric Learning for Code Authorship Attribution and Verification. 2021 20th IEEE International Conference on Machine Learning and Applications (ICMLA). :1089—1093.
Code authorship identification can assist in identifying creators of malware, identifying plagiarism, and giving insights in copyright infringement cases. Taking inspiration from facial recognition work, we apply recent advances in metric learning to the problem of authorship identification and verification. The metric learning approach makes it possible to measure similarity in the learned embedding space. Access to a discriminative similarity measure allows for the estimation of probability distributions that facilitate open-set classification and verification. We extend our analysis to verification based on sets of files, a previously unexplored problem domain in large-scale author identification. On closed-set tasks we achieve competitive accuracies, but do not improve on the state of the art.