1, hownet: Hownet has a wide range of duplicate checking and authoritative results. With high-quality content resources, leading technology and professional services, China HowNet enjoys a high reputation in the industry. In 2007, China HowNet China Academic Journal Online Publishing Database won the first "China Publishing Government Award", and the full-text database of China's doctoral dissertations and the online publishing database of China Yearbook were nominated. This is the highest award in China's publishing field.
2. VIP: The calculation of VIP repetition rate is stricter than HowNet. Not only can continuous words not be repeated, but also the key words in sentences cannot be repeated too much. Vip pays attention to paragraphs and emphasizes whether paragraphs are repeated. However, there is also a BUG that the table in VIP does not display duplicates. Cheap price, stricter than HowNet. The repetition rate of the difference between them is about 8. The repetition rate of VIP 20 is generally around 10, which is a little more than 10. This doesn't exactly correspond, but in most cases.
3.PaperPass:PaperPass is the first Chinese document similarity comparison system in the world, and has developed into an authoritative and reliable online website for checking Chinese originality and preventing plagiarism. Has been committed to the detection of academic papers. PaperPass was born in 2007. On the basis of testing its version, it was developed and officially launched after absorbing a large number of users' opinions. The official version updated the comparison algorithm, which greatly improved the comparison efficiency and accuracy. In addition, practical functions such as uploading files, downloading reports and counting citation rates have been added.
4. Ant duplicate checking network has been the leading self-help duplicate checking website in China since it provided paper detection service. Direct access to the entrance of the official paper detection system used in colleges and universities, that is, students submit their own papers and download the duplicate check report themselves, and the whole process is completed by students themselves. It can be used for individuals to check the duplicate of undergraduate thesis, degree thesis, master thesis, doctoral thesis and published small thesis, and the test results are consistent with those of the school.
5. Academic Misconduct Network (cnkis.net) has been the first website in China to provide self-help paper detection service since it provided paper detection service in 2008, that is, students submit their own papers and download duplicate checking reports, and the whole process is completed by students themselves. It is the safest, fastest, most effective and most popular paper testing website at present, with accurate authority and professional service.