Paper duplicate checking can be directly carried out in official website or Baidu Academics such as HowNet, VIP and Wanfang. Baidu Academic is an academic duplicate checking platform under Baidu, which provides duplicate checking services for papers such as paperfree and papertime.

The abstracts and keywords of the paper will be repeated, but the specific duplicate checking methods may be different because of the different duplicate checking systems and institutions. Therefore, when choosing a duplicate checking system, you need to know its specific detection algorithm and database to ensure that your paper can get accurate detection results.