The software is JGAAP (Java Graphical Authorship Attribution Program). [1] Reading the article makes it clear that it wan't an identification as much as a conf

The software is JGAAP (Java Graphical Authorship Attribution Program). [1] Reading the article makes it clear that it wan't an identification as much as a confirmation of Rowling as the author. The analysis was the result of suspicions triggered by an anonymous tip via Twitter. The analysis used a corpus of only four authors' works. Rowling was the most likely of the four. [1] http://evllabs.com/jgaap/w/index.php/Main_Page http://evllabs.com/jgaap/w/index.php/Main_Page