VIP, Wanfang and HowNet have high duplicate checking rates. They are all platforms for checking weights. Wanfang and VIP have different duplicate checking rates because of different databases. However, the database of dimensional census is larger than that of Wanfang, and the system algorithm is slightly advanced, so the accuracy of size inspection is higher.

I. Introduction of duplicate checking rate

"Duplicate checking rate" is also called repetition rate, similarity rate and plagiarism rate. In fact, every word has the same meaning, but the name is different. The so-called duplicate checking rate refers to the quantification of the similarity between the results detected by the paper detection system and others' documents.

Second, the calculation of duplicate checking rate

(1) paper repetition rate = paper repetition words/paper total words * 100%, and the paper duplicate checking formula is basically the same. In the paper duplicate inspection report, the number of duplicate characters will be displayed, and you can see what the paper duplicate rate is. From the reference data of "the maximum paper reproduction rate of a single paper" in the report, we can clearly see "repeated words" and "red"

(2) The final result of paper duplication checking is that in order to calculate the repetition rate of papers, papers need to be uploaded to the paper duplication checking system. Simply put, most paper duplication checking systems only detect the repetition rate of papers, and only divide the content of papers, such as a sentence or several words, into one area. Then these parts are compared with the database in the paper duplicate checking system one by one, and similar duplicate parts will be marked, and the final calculated proportion of duplicate parts is the total repetition rate of the paper.