1, different concepts: retrieval proof refers to proving that a paper or patent has been retrieved in a specific database by searching the database and other tools. The proof of inclusion refers to the proof that the paper is officially included in a specific academic journal or database.
2. Different uses: retrieval certificate is usually one of the materials used for paper submission or patent application, to prove that the article or patent has been studied or discovered in a specific field, which is helpful to prove the research significance and innovation of the article or patent. The inclusion certificate is usually one of the important proof materials in the evaluation and ranking of academic journals, scientific research evaluation and professional title evaluation.