Hello,
I want to extent my published conference work and submit into Journal. But i am not sure how much self plagiarism/similarity percentage is acceptable?
Note: I personally used Turnitin to check the plagiarism.
Thank you.
Generally speaking, the similarity index should be no more than 25%. However, similarity is not the only issue that you have to pay attention to. You have to provide new results and give more discussion in the new manuscript. In addition, you have to provide new contributions and novelties rather than extending the former work directly.
Dear colleague, it is possible for a 0% plagiarism papers but accepted level may be determined by the postgraduate school, or journal or even a conference committee.
In my opinion, technical papers should have a similarity index of about 15-20%, while other papers that have less technical characteristics should be around 5-10 % plagiarism.
According to Turnitin with exclude matches < 9 words
The following are acceptable:
Similarity Index less than 25%
Any primary source less than 5%
If this is work you presented at a conference, and not a published conference proceedings, or previously published, then there is no issue, the presentation and feedback received is part of the process of revisioning for eventual publication.
Generally speaking, the similarity index should be no more than 25%. However, similarity is not the only issue that you have to pay attention to. You have to provide new results and give more discussion in the new manuscript. In addition, you have to provide new contributions and novelties rather than extending the former work directly.
Usman Akhtar -
20% is the maximum acceptable percentage. However, the less you have similarity the more you get accuracy of your work.
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