Source wenjian is not as good as hownet, but there is no duplicate checking system completely consistent with the school on the market at present. You can choose as a substitute. In addition, in the past two years, there is a more popular substitute of HowNet: the internal version of the final evaluation version of Shuobo. The double-check effect of the two should be considered equal. If we say the weight of Bocha, I think the final version of HowNet is more accurate. For undergraduates, the source text is more accurate, because there is no final version of the undergraduate knowledge network.

Detection principle of hownet:

Because of the latest fuzzy algorithm, if the whole framework and outline are confused, the first marking of the same paper will be inconsistent with the second marking, or if the first marking is not in red, the second marking will be in red. After the complete paper is uploaded, the chapters will be scanned according to the content of the paper, so as to get the repetition rate of each chapter not appearing in the text.

HowNet has set a threshold for the sensitivity of the test system, which is 5%. In a paragraph, if plagiarism and quotation are less than 5%, it can't be detected. If there are 13 identical paragraphs or words in the text, they are marked in red. Here are the actual test results.