1. Digital Stylometry The State of the Art of Authorship Analysis in 2006 That is to say, I took this attitude--to wit, I only BELIEVED Bacon wrote Shakespeare, whereas I KNEW Shakespeare didn't. ~Mark Twain, ``Is Shakespeare Dead?''

2. Lorenzo Valla  Priest  Latin Scholar  Humanist  Anti-papist  Heretic  First known usage of stylometric methods to prove “The Donation of Constantine” was a forgery. More Information At: http://www.newadvent.org/cathen/15257a.htm

3. The Donation of Constantine  Supposedly writing by Constantine the Great around 400 A.D.  Gave the Bishop of Rome and his successors temporal power over the Italian Peninsula.  Primary argument of secularists in Italy  Grammatical and Vocabulary clues tie it to around 800 A.D. instead.

4. Shakespeare  First questions date from the 1700s  1850s a descendent of Sir Francis Bacon claims Sir Francis was the author  Mark Twain, Walt Whitman, Sigmund Freud, Henry James and other denied his authorship  Academic work is still carried out to attribute the works to various others.

5. Goals: Past and Present  Proving forgeries  Self-Centered goals  Degradation of commoners  Revisionist attacks on the historical record  Financial gain  Familial prestige  Attributing anonymous works  Proving and disproving the integrity of written evidence  Defense and Homeland Security  Plagiarism Studies

6. Attribution  Historical evidence  References in contemporaneous sources  Cultural allusuions  Textual analysis  Stylistics  Term Frequency Analysis  Comparison to period corpa

7. Forensic Linguistics  Forged suicide notes  Faked, altered and coerced confessions  Comparison of written evidence to link crimes  Attribution of electronic crime by code stylistics  Selection of institutes conducting research:  Cardiff University - UK  University of Birmingham - UK  Hofstra University - NY  Univeristy of Aberdeen – UK  Nebraska Wesleyan University - NE  Murdoch University – AU  Northwestern University - IL

8. Defense and Homeland Security  Verifying the authenticity of intelligence assets.  Determining organizational structure of terrorist groups.  Filtering valid enemy communication from distractions.

9. Organizations  Association for Literary and Linguistic Computing  Association for Computational Linguistics  International Association of Forensic Linguists  American Statistical Association  ACM International Conference on Management of Data  ACM International Conference on Information and Knowledge Management  IEEE Transactions on Systems, Man, and Cybernetics