https://getpocket.com/explore/item/can-you-tell-an-author-s-identity-by-look... This article is of special interest to me as a librarian. People have researched about the presence or inclusion of punctuation marks in titles of papers. For instance, the presence of colon in title reveals a higher order / degree of research content. You have thousands of 'shallow' papers floating around. But the above paper talks of stylometric analysis of entire texts of authors! Interesting. Go to the link to find out the uses of this research including catching criminals. Dr P Vyasamoorthy, SC, 30 Gruhalakshmi colony Secunderabad 500015 040-29552016 / 09490804278