| Comparison of the accuracy of SVM kemel functions in text classification N Kalcheva, M Karova, I Penev 2020 International Conference on Biomedical Innovations and Applications …, 2020 | 39 | 2020 |
| Naive Bayes Classifier, Decision Tree and AdaBoost Ensemble Algorithm–Advantages and Disadvantages N Kalcheva, M Todorova, G Marinova Proceedings of the 6th ERAZ Conference Proceedings (part of ERAZ conference …, 2020 | 16 | 2020 |
| Comparative analysis of algorithms to search for the shortest path in a maze M Karova, I Penev, N Kalcheva 2016 IEEE International Black Sea Conference on Communications and …, 2016 | 9 | 2016 |
| Comparison of the accuracy and the execution time of classification algorithms for Bulgarian literary works N Kalcheva, M Karova, I Penev 2020 International Conference Automatics and Informatics (ICAI), 1-5, 2020 | 8 | 2020 |
| Comparison of BERT and XLNet accuracy with classical methods and algorithms in text classification N Arabadzhieva-Kalcheva, I Kovachev 2021 International Conference on Biomedical Innovations and Applications …, 2022 | 4 | 2022 |
| Laplace Naive Bayes classifier in the classification of text in machine learning N Kalcheva, N Nikolov 2020 International Conference on Biomedical Innovations and Applications …, 2020 | 4 | 2020 |
| Comparative Analysis of Algorithms for Classification of Text in the Bulgarian Language in Machine Learning NA Arabadzieva–Kalcheva International Conference “Applied Computer Technologies” ACT, 6-11, 2018 | 4 | 2018 |
| EMD-based features for cognitive load and stress assessment from PPG signals F Feradov, T Ganchev, V Markova, N Kalcheva 2021 International Conference on Biomedical Innovations and Applications …, 2022 | 3 | 2022 |
| Teaching of Bayes formula NA Arabadzhieva-Kalcheva 2022 57th International Scientific Conference on Information, Communication …, 2022 | 1 | 2022 |
| Graph Construction Algorithm for finding the Shortest Path in a Maze M Karova, I Penev, M Todorova, H Bobev, N Kalcheva International Conference on Computer Systems and Technologies-CompSysTech 16, 2016 | 1 | 2016 |
| Comparing Accuracy and Time of Support Vector Machine with Different Kernels for Handwritten Digits Classification N Kalcheva, G Marinova, M Todorova, I Penev 2023 International Conference Automatics and Informatics (ICAI), 41-44, 2023 | | 2023 |
| Comparative Analysis of the Bernoulli and Multinomial Naive Bayes Classifiers for Text Classification in Machine Learning N Kalcheva, G Marinova, M Todorova 2023 International Conference Automatics and Informatics (ICAI), 28-31, 2023 | | 2023 |
| Study of the K-Nearest Neighbors Method with Various Features for Text Classification in Machine Learning N Kalcheva, M Todorova, I Penev 2023 International Conference Automatics and Informatics (ICAI), 37-40, 2023 | | 2023 |
| TEACHING OF THE NAIVE BAYESIAN CLASSIFIER ALGORITHM FOR THE CLASSIFICATION OF BULGARIAN TEXT IN MACHINE LEARNING N ARABADZHIEVA-KALCHEVA, V PETROVA Masters International, 107, 2022 | | 2022 |
| A Comparison of Machine Learning Classification Algorithms and Methods for English Author's Works and their Translations into Bulgarian NA Kalcheva, MN Karova 2022 57th International Scientific Conference on Information, Communication …, 2022 | | 2022 |
| Classification of oncological medical institutions on the basis of patient survival and topographic code of the disease MP Todorova, NA Kalcheva, GK Marinova 2022 57th International Scientific Conference on Information, Communication …, 2022 | | 2022 |
| Identification of Characteristic Descriptors and Creation of a Model for Predicting the Stage of Cancer MP Todorova, NA Kalcheva 2022 57th International Scientific Conference on Information, Communication …, 2022 | | 2022 |
| Distress Study Through Machine-Learning Techniques G Marinova, N Kalcheva 2021 International Conference on Biomedical Innovations and Applications …, 2022 | | 2022 |
| Use of deductive and/or inductive approach in the study of nonlinear programming problems P Linova, N Kalcheva, N Nikolov 2021 XXX International Scientific Conference Electronics (ET), 1-4, 2021 | | 2021 |
| Bin weather data of Varna and their influence on the seasonal efficiency of heat pumps with energy source outdoor air D Chakyrova, N Doseva, N Kalcheva IOP Conference Series: Materials Science and Engineering 1032 (1), 012024, 2021 | | 2021 |
