In this paper we introduce Mahak Samim, a plagiarism detection corpus that consists of Persian academic texts in which plagiarism cases are embedded. This corpus, which can be used for evaluating plagiarism detection systems, consists of more than five thousand artificial plagiarism cases with various lengths and diverse degrees of obfuscation. The development process and the features of the co...

This paper overviews eleven plagiarism detectors that have been developed and evaluated within PAN’11. We survey the detection approaches developed for the two sub-tasks “external plagiarism detection” and “intrinsic plagiarism detection,” and we report on their detailed evaluation based on the third revised edition of the PAN plagiarism corpus PAN-PC-11.

A new, graph based research document clustering technique (GRD-Clust) is introduced based on frequent senses rather than frequent keywords as per the traditional document clustering techniques.GRDClust presents text documents as hierarchal document-graphs and utilizes an Apriori paradigm to find the frequent sub graphs, which reflect frequent senses based on support and confidence. We highlight...

Plagiarism detection is well known phenomenon in the academic arena. Copying other people is considered as serious offence that needs to be checked. There are many plagiarism detection systems such as turn-it-in that has been developed to provide this checks. Most, if not all, discard the figures and charts before checking for plagiarism. Discarding the figures and charts results in look holes ...

Plagiarism detection is defined as automatic identification of reused text materials. General availability of the internet and easy access to textual information enhances the need for automated plagiarism detection. In this regard, different algorithms have been proposed to perform the task of plagiarism detection in text documents. Due to drawbacks and inefficiency of traditional methods and l...

Intertextuality is a prominent feature of academic writing, and the ability to use sources effectively and appropriately is an essential skill which novice writers must acquire. It is also a complex skill, and student performance is not always successful. It is presumably beneficial for students to receive consistent messages about what source use is and is not appropriate, but some evidence su...

Plagiarism refers to the act of “appropriation of another person’s ideas, processes, results, or words without giving appropriate credit” (1). Most academic researchers reach a consensus that plagiarism is a serious breach of publication ethics (2). Plagiarism has different forms but can be categorized into two general distinct categories – plagiarism of ideas and plagiarism of text (verbatim)....

Efficient detection of plagiarism in programming assignments of students is of a great importance to the educational procedure. This paper presents a clustering oriented approach for facing the problem of source code plagiarism. The implemented software, called PDetect, accepts as input a set of program sources and extracts subsets (the clusters of plagiarism) such that each program within a pa...

introduction: plagiarism damages the scientific products. its effects on sciences producer, such as manufacturers, scientists, authors and the others is that they will not desire to write anymore. furthermore, research result is so important in medical sciences, because they are dealing with human life. therefore, this study aimed to identify the methods and types of crime in plagiarism. method...

Currently there is an increase in the occurrence of plagiarism in varied types of academic texts. Therefore, in agreement with the Brazilian Coordination of Improvement of Higher Education Personnel (CAPES) policies, Brazilian higher education institutions should establish guidelines for the detection and inhibition of academic plagiarism. However, the notion of plagiarism is extremely complex,...