\bibitem{Kes03}
Vlado Keselj, Fuchun Peng, Nick Cercone, and Calvin Thomas.
\newblock N-gram-based Author Profiles for Authorship Attribution.
\newblock In {\em Proceedings of the Conference Pacific Association for
Computational Linguistics, PACLING'03\/.}
Dalhousie University, Halifax, Nova Scotia, Canada, August 2003,
pp.~255--264.