Ontological Modeling of the State Economic Development Policy for Cultural Industries. - Kostiantyn Tkachenko; Olha Tkachenko; Oleksandr Tkachenko; Mariia Proskurina; Iryna Parkhomenko (BIS, 2021)

Ontological Modeling of Intelligent Learning Systems with Elements of Gamification. - Olha Tkachenko; Kostiantyn Tkachenko; Oleksandr Tkachenko; Mariia Astafieva (CPITS, 2023)

Using Ontologies and Knowledge Graphs to Individualize in E-Learning System. - Valentyna Pleskach; Kostiantyn Tkachenko; Olha Tkachenko; Oleksandr Tkachenko (IT&I Workshops, 2023)

Neural Networks in the Processing of Natural Language Texts in Information Learning Systems. - Olha Tkachenko; Kostiantyn Tkachenko; Oleksandr Tkachenko; Roman Kyrychok; Vladyslav Yaskevych (CPITS, 2024)

Ontological Approach in Modern Educational Processes. - Kostiantyn Tkachenko; Olha Tkachenko; Oleksandr Tkachenko; Nataliia Mazur; Iryna V. Mashkina (CPITS, 2024)

Gamification and the Ontological Approach in Information Learning Systems. - Kostiantyn Tkachenko; Olha Tkachenko; Oleksandr Tkachenko (CPITS, 2025)

Processing of Natural Language Texts in Information Learning Systems: Ontological Approach. - Olha Tkachenko; Kostiantyn Tkachenko; Oleksandr Tkachenko (CPITS, 2025)