This spring, academic journals may turn the anti-plagiarism software that professors have been using against their students on the professors themselves. CrossRef, a publishing industry association, and the software company iParadigms announced a deal last week to create CrossCheck, an anti-plagiarism program for academic journals. The software uses the same technology as iParadigms' Turnitin, the program used by colleges to check student papers for copycat behavior. For the overwhelming majority of CrossRef's members, which are academic publishers, this would be their first foray into automated plagiarism checks, said Amy E. Brand, CrossRef's director of business and product development.