Plagiarism Detection System Design for Programming Assignment in Virtual Classroom based on Moodle

Abstract The practice of plagiarism is not a strange thing anymore, especially among the students that almost every day working on tasks assigned by the lecturer. The practice of plagiarism is done by the exchange of source code that have been successful. Detecting plagiarism practices is a solution that should be done so that the fraudulent actions can be minimized. Overall, the plagiarism detection software can provide a useful contribution to minimize plagiarism. Using the software can be deterrent for students to take a plagiarism. However, using this software does not provide the final answer. Software only detects and notifies any duplication. Therefore, the intervention of manual inspection and assessment is still needed. The design result obtained by a plagiarism detection system model for programming assignment in a virtual classroom based on Moodle and delivery system alerts for the student. The test results show that the software can detect any similarities in the assignment by generating a percentage of similarity between two files or many files. In addition, the software can deliver alerts from the lecturer for the students that plagiarism is detected using SMS Gateway.