Juan Manuel Corchado, an expert in artificial intelligence from the University of Salamanca, has artificially inflated his resume to rank above the world leaders in Google Scholar. In a document on covid signed only by him, he writes four insubstantial paragraphs and includes a hundred citations to his previous works.

The American organization Retraction Watch, specialized in scientific fraud, revealed the professor's practices in March 2022. “They were documents that I made for my students, they were there and I hadn't even worried about them, to be honest,” he maintains now.