Abstract
Plagiarism Detection Systems play an important role in revealing instances of a plagiarism act, especially in the educational sector with scientific documents and papers. The idea of plagiarism is that when any content is copied without permission or citation from the author. To detect such activities, it is necessary to have extensive information about plagiarism forms and classes. Thanks to the developed tools and methods it is possible to reveal many types of plagiarism. The development of the Information and Communication Technologies (ICT) and the availability of the online scientific documents lead to the ease of access to these documents. With the availability of many software text editors, plagiarism detections becomes a critical issue. A large number of scientific papers have already investigated in plagiarism detection, and common types of plagiarism detection datasets are being used for recognition systems, WordNet and PAN Datasets have been used since 2009. The researchers have defined the operation of verbatim plagiarism detection as a simple type of copy and paste. Then they have shed the lights on intelligent plagiarism where this process became more difficult to reveal because it may include manipulation of original text, adoption of other researchers' ideas, and translation to other languages, which will be more challenging to handle. Other researchers have expressed that the ways of plagiarism may overshadow the scientific text by replacing, removing, or inserting words, along with shuffling or modifying the original papers. This paper gives an overall definition of plagiarism and works through different papers for the most known types of plagiarism methods and tools.
Highlights
Due to the rapid advancement of the computer and network technologies, such as the Internet that enables anyone to access online contents anytime and from anywhere, academic integrity in the academic community is becoming a highly sensitive issue, especially among universities and research institutions
Plagiarism detection methods are classified into the internal detection method, where the document is analyzed for plagiarism alone, and the external detection method, where detection is made among a collection of documents
Plagiarism process will be reviewed, in section three, plagiarism classification and methods will be explained in details, in section four, plagiarism tools will be reviewed, in section five, the types of datasets used in plagiarism detection will be illustrated, in section six, a discussion about the reviewed works will be summarized, and in section seven, a conclusion will summarize the topic of plagiarism
Summary
Due to the rapid advancement of the computer and network technologies, such as the Internet that enables anyone to access online contents anytime and from anywhere, academic integrity in the academic community is becoming a highly sensitive issue, especially among universities and research institutions. Plagiarism was originally detected manually (by hand) or by resembling previously consulted content. The great number of the available online documents make it harder to detect plagiarism manually. There are two main types of plagiarism, namely the verbatim/literal and the intelligent plagiarism. Verbatim/literal plagiarism describes the plagiarized content as the exact copying of the source content without altering or modifying the original content. In intelligent plagiarism, the main content is altered/modified by different ways. This overview paper sheds the light on the description of plagiarism. Plagiarism process will be reviewed, in section three, plagiarism classification and methods will be explained in details, in section four, plagiarism tools will be reviewed, in section five, the types of datasets used in plagiarism detection will be illustrated, in section six, a discussion about the reviewed works will be summarized, and in section seven, a conclusion will summarize the topic of plagiarism
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