| 2019 | FQAS | Clustering of Intercriteria Analysis Data Using a Health-Related Quality of Life Data. | Sotir Sotirov, Desislava Vankova, Valentin Vasilev, Evdokia Sotirova |
| 2017 | EUSFLAT | Generalized Net Model of Multicriteria Decision Making Procedure Using Intercriteria Analysis. | Krassimir T. Atanassov, Evdokia Sotirova, Velin Andonov |
| 2017 | EUSFLAT | Generalized Net Modelling of the Intuitionistic Fuzzy Evaluation of the Quality Assurance in Universities. | Evdokia Sotirova, Todor Petkov, Maciej Krawczak |
| 2017 | FQAS | Generalized Net of Cluster Analysis Process Using STING: A Statistical Information Grid Approach to Spatial Data Mining. | Veselina Bureva, Evdokia Sotirova, Stanislav Popov, Deyan Mavrov, Velichka Traneva |
| 2017 | FQAS | Application of the InterCriteria Analysis Over Air Quality Data. | Evdokia Sotirova, Veselina Bureva, Irena Markovska, Sotir Sotirov, Desislava Vankova |
| 2015 | EUSFLAT | Application of the Intuitionistic Fuzzy InterCriteria Analysis Method to a Neural Network Preprocessing Procedure. | Sotir Sotirov, Vassia Atanassova, Evdokia Sotirova, Veselina Bureva, Deyan Mavrov |
| 2015 | FQAS | Traversing and Ranking of Elements of an Intuitionistic Fuzzy Set in the Intuitionistic Fuzzy Interpretation Triangle. | Vassia Atanassova, Ivelina Vardeva, Evdokia Sotirova, Lyubka Doukovska |
| 2015 | FQAS | Generalized Net Model of an Expert System Dealing with Temporal Hypothesis. | Panagiotis Chountas, Krassimir T. Atanassov, Evdokia Sotirova, Veselina Bureva |
| 2015 | FQAS | Application of the InterCriteria Decision Making Method to Universities Ranking. | Maciej Krawczak, Veselina Bureva, Evdokia Sotirova, Eulalia Szmidt |
| 2015 | FQAS | Modular Neural Network Preprocessing Procedure with Intuitionistic Fuzzy InterCriteria Analysis Method. | Sotir Sotirov, Evdokia Sotirova, Patricia Melin, Oscar Castillo, Krassimir T. Atanassov |