pdf dblp SU@PAN'2016: Author Obfuscation Tsvetomila Mihaylova | Georgi Karadjov | Yasen Kiprov | Georgi Georgiev | Ivan Koychev | Preslav Nakov Working Notes of CLEF 2016 - Conference and Labs of the Evaluation forum, Évora, Portugal, 5-8 September, 2016