Much of the writing styles recognized in rhetorical and composition theories involve deep syntactic elements in style (e.g., Bain (1887), Kemper (1987) Strunk and White (2008)).
previous research for automatic authorship attribution and computational stylometric analysis have relied mostly on shallow lexico-syntactic patterns (e.g., Mendenhall (1887), Mosteller and Wallace (1984), Stamatatos et al.