Duplicate checking system provided by publishing houses: Some publishing houses or periodical editorial departments will provide their own duplicate checking systems, such as HowNet, VIP, Wanfang or paper series paperfree, papertime, etc. Authors can log in and submit papers through the website of publishing house or editorial department for duplicate checking.
Online duplicate checking tools: Some third-party duplicate checking tools, such as Turnitin and iThenticate, can provide online duplicate checking services for papers. The author can download the corresponding software or plug-in to check the repetition of the paper.
Buy duplicate checking service by yourself: If the publishing house or editorial department does not provide duplicate checking system, or the author needs more professional duplicate checking service, he can choose to buy duplicate checking service by himself.
Manual duplicate checking: Some professional academic institutions or publishing houses can provide manual duplicate checking services, and the author can contact these institutions or publishing houses for help.
It should be noted that different duplicate checking systems have different comparison methods and standards, so they may produce different results. At the same time, some systems may have a certain error rate, so you need to refer to your own judgment and actual situation. In the process of duplicate checking, it is also necessary to abide by academic norms and the principle of good faith to ensure the independence and originality of the content of the paper. In addition, it should be noted that the requirements for duplicate checking of periodical papers are usually stricter than graduation papers, and authors need to take them seriously and follow academic norms and requirements to duplicate check.