The paper duplicate checking system of HowNet is a detection tool based on text similarity, and its accuracy is affected by many factors, including the coverage of the database, the updating speed and the accuracy of the algorithm. If the school finally asks HowNet to check the duplicate, then HowNet is the most accurate.

When using the paper duplicate checking system of HowNet, it is necessary to combine other factors for comprehensive evaluation. If it is necessary to evaluate the similarity of papers more comprehensively and accurately, it is suggested to combine with other duplicate checking tools, such as free duplicate checking software such as paperfree and papertime. At the same time, researchers are also required to follow the principles and norms of academic integrity in the writing process, correctly quote documents and other people's academic achievements, and carefully check themselves before submitting papers to prevent unnecessary plagiarism.