1 China hownet. China Knowledge Network is the most authoritative paper duplicate checking software in China, with comprehensive database and huge resources. It is suitable to use CNKI pmlc paper duplicate checking system to detect undergraduate papers, and CNKI VIP5.3 paper duplicate checking system to detect graduate papers.
20,000 square test and VIP network test. These two papers are also used in some schools, and they are also the mainstream paper duplicate checking software in China except HowNet. The detection is not as strict as HowNet, but the detection speed is faster, the charging price is cheaper than HowNet, and the duplicate checking result is more accurate, which is also recognized by some schools.
3 Repeated inspection without paper. This is a software that provides proper and effective duplicate checking service for people who need duplicate checking of papers. Cost-effective, the price is very close to the people, the first duplicate check is free, if you can get online duplicate check for free when you participate in official website activities. It is a great benefit for college graduates, and its quality and safety are relatively high.
4 paper free check. The system adopts the self-developed dynamic fingerprint leapfrog scanning technology, and the main steps are: text preprocessing, semantic mining and depth recognition, and the detection accuracy is over 99%.
It should be noted that the duplicate checking algorithm and database of each website are slightly different, so the duplicate checking results of the same paper in different websites may be different. At the same time, different schools or institutions may have different standards and requirements for duplicate checking of papers, so it is best to understand the requirements before using them.