Recursive Style Breach Detection with Multifaceted Ensemble Learning. - Daniel Kopev; Dimitrina Zlatkova; Kristiyan Mitov; Atanas Atanasov; Momchil Hardalov; Ivan Koychev; Preslav Nakov (AIMSA, 2018)

An Ensemble-Rich Multi-Aspect Approach Towards Robust Style Change Detection: Notebook for PAN at CLEF 2018. - Dimitrina Zlatkova; Daniel Kopev; Kristiyan Mitov; Atanas Atanasov; Momchil Hardalov; Ivan Koychev; Preslav Nakov (CLEF (Working Notes), 2018)

Tweety at SemEval-2018 Task 2: Predicting Emojis using Hierarchical Attention Neural Networks and Support Vector Machine. - Daniel Kopev; Atanas Atanasov; Dimitrina Zlatkova; Momchil Hardalov; Ivan Koychev; Ivelina Nikolova; Galia Angelova (SemEval@NAACL-HLT, 2018)

Detecting Deception in Political Debates Using Acoustic and Textual Features. - Daniel Kopev; Ahmed Ali 002; Ivan Koychev; Preslav Nakov (ASRU, 2019)