SU-FMI: System Description for SemEval-2014 Task 9 on Sentiment Analysis in Twitter. - Boris Velichkov; Borislav Kapukaranov; Ivan Grozev; Jeni Karanesheva; Todor Mihaylov; Yasen Kiprov; Preslav Nakov; Ivan Koychev; Georgi Georgiev (SemEval@COLING, 2014)

Deep learning contextual models for prediction of sport event outcome from sportsman's interviews. - Boris Velichkov; Ivan Koychev; Svetla Boytcheva (RANLP, 2019)

AI-driven Approach for Automatic Synthetic Patient Status Corpus Generation. - Boris Velichkov; Kristina Ivanova; Valeri Hristov; Ivan I. Borisov; Alexander Peychev; Ivan Koychev; Svetla Boytcheva (AIVR, 2020)

Cascading Approach for Automatic ICD-10 Codes Association To Diseases in Bulgarian. - Boris Velichkov; Simeon Gerginov; Panayot Panayotov; Sylvia Vassileva; Gerasim Velchev; Ivan Koychev; Svetla Boytcheva (BioInfoMed, 2020)

Automatic Generation of Annotated Corpora of Diagnoses with ICD-10 codes based on Open Data and Linked Open Data. - Svetla Boytcheva; Boris Velichkov; Gerasim Velchev; Ivan Koychev (FedCSIS, 2020)

Comparative Analysis of Fine-tuned Deep Learning Language Models for ICD-10 Classification Task for Bulgarian Language. - Boris Velichkov; Sylvia Vassileva; Simeon Gerginov; Boris Kraychev; Ivaylo Ivanov; Philip Ivanov; Ivan Koychev; Svetla Boytcheva (RANLP, 2021)