tips us that software intended to help essay graders detect plagiarism has been used to attribute to Shakespeare
— with high probability — a hitherto unattributed play, 'The Reign of Edward III.' It seems that the work was co-authored by Shakespeare and another playwright of the time, Thomas Kyd. "With a program called Pl@giarism, Vickers detected 200 strings of three or more words in 'Edward III' that matched phrases in Shakespeare's other works. Usually, works by two different authors will only have about 20 matching strings."