Abstract and keywords
Abstract (English):
This work is devoted to solving the identifying software duplicates problem. To do this, a short survey of existing search methods is made, consisting of the following: textual, lexical, syntactic, metric, semantic. Then a comparative analysis of the methods is carried out according to the following criteria: accuracy, completeness, speed, resource efficiency, scope of implementation; the comparison results are given in tabular form. Also, promising approaches for searching for duplicates are considered, namely, the following: machine learning, graph analysis, syntax tree analysis, dynamic characteristics analysis, spatial characteristics analysis, abstract syntax analysis. Ways to continue investigation are indicated.

information security, duplicate search, source code, information protection, copyright
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