Paper retrieval proves that you can use academic search engines such as GoogleScholar, PubMed and IEEEXplore. , enter the title, author's name or keywords of the paper in the search box, and then check whether the search results contain related papers.

Paper retrieval proves that academic databases such as WebofScience, Scopus, and China HowNet can be used to retrieve papers by their titles, authors' names or keywords, and then we can check whether the retrieval results contain related papers.