The source code plagiarism is one of serious problems on computer programming classes in educational *** plagiarism of source codes causes many *** example,it doesn't lead to improve the students' skill of com...
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The source code plagiarism is one of serious problems on computer programming classes in educational *** plagiarism of source codes causes many *** example,it doesn't lead to improve the students' skill of computer programming and teachers cannot evaluate students' skill properly and recognize how students acquire the ***,it is important to detect source codes *** methods have already been proposed to detect a source code plagiarism. For example,the methods using software birthmarks and Smith-Waterman algorithm have *** former is based on analysis of the algorithm in a source code and the latter is a method analyzing contiguous ***, most students usually refer to the textbook when they make source codes,thus the source codes written by students have sometimes similar data structures and *** it is difficult to apply the plagiarism detection methods mentioned above directly to source codes written by students in the *** above discussion, we focus on the method to detect the source code plagiarism by using the codingstyle *** coding style model is constructed to represent authors' habits in source code ***,there are some problems in conventional codingstyle *** first,the conventional model cannot represent all of the features in practice because of its' ***,many source codes as a training data set are required to estimate the codingstyle *** this study,we propose a new model to detect a source code plagiarism written by students to solve these *** proposed method aims to improve the detection rate with high accuracy compared to conventional *** effectiveness of the proposed method is shown by the simulating experiment using the actual source codes written by students.
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