That people copy another person’s work without legal permission has become a broad subject among the public. The underlying cause of the copyright is attributed to the lack of ideas and commercial benefits. In that case, rough measures of plagiarized works should be taken into account. To begin with, that people, particularly students, composers, or book authors, tend to copy another person’s creation without authorization stems from the depletion of ideas. At school, it is teachers who may not present students with clear instructions and ideas. Therefore, students are likely to have difficulties understanding and finishing the assignments and fear having bad results. As a result, pupils somehow take advantage of referencing other people’s documents and pretend it is their work to avoid low marks. Moreover, more and more people like authors or composers also tend to steal another person’s work to get financial benefits or achieve widespread fame. Since plagiarism is dee...