The ParaPlag: Russian dataset for paraphrased plagiarism detection

The paper presents the ParaPlag: a large text dataset in Russian to evaluate and compare quality metrics of different plagiarism detection approaches that deal with big data. The competition PlagEvalRus-2017 aimed to evaluate plagiarism detection methods uses the ParaPlag as a main dataset for source retrieval and text alignment tasks. The ParaPlag is open and available on the Web. We propose a guide for writers who want to contribute to the ParaPlag and extend it. The analysis of text rewrite techniques used by unscrupulous authors is also presented in our research.