PANcakes Team: A Composite System of Domain-Agnostic Features For Author Profiling. - Pepa Gencheva; Martin Boyanov; Elena Deneva; Preslav Nakov; Georgi Georgiev; Yasen Kiprov; Ivan Koychev (CLEF (Working Notes), 2016)

SUper Team at SemEval-2016 Task 3: Building a Feature-Rich System for Community Question Answering. - Tsvetomila Mihaylova; Pepa Gencheva; Martin Boyanov; Ivana Yovcheva; Todor Mihaylov; Momchil Hardalov; Yasen Kiprov; Daniel Balchev; Ivan Koychev; Preslav Nakov; Ivelina Nikolova; Galia Angelova (SemEval@NAACL-HLT, 2016)

Building Chatbots from Forum Data: Model Selection Using Question Answering Metrics. - Martin Boyanov; Preslav Nakov; Alessandro Moschitti; Giovanni Da San Martino; Ivan Koychev (RANLP, 2017)