Time series analysis and forecasting for air pollution in small urban area: an SARIMA and factor analysis approach SG Gocheva-Ilieva, AV Ivanov, DS Voynikova, DT Boyadzhiev Stochastic environmental research and risk assessment 28, 1045-1060, 2014 | 123 | 2014 |
Regression trees modeling of time series for air pollution analysis and forecasting SG Gocheva-Ilieva, DS Voynikova, MP Stoimenova, AV Ivanov, IP Iliev Neural Computing and Applications 31, 9023-9039, 2019 | 53 | 2019 |
Studying the effect of meteorological factors on the SO2 and PM10 pollution levels with refined versions of the SARIMA model DS Voynikova, SG Gocheva-Ilieva, AV Ivanov, IP Iliev AIP Conference Proceedings 1684 (1), 2015 | 20 | 2015 |
Simulation of the output power of copper bromide lasers by the MARS method IP Iliev, DS Voynikova, SG Gocheva-Ilieva Quantum Electronics 42 (4), 298, 2012 | 17 | 2012 |
Random forests models of particulate matter PM10: a case study A Ivanov, D Voynikova, M Stoimenova, S Gocheva-Ilieva, I Iliev AIP conference proceedings 2025 (1), 2018 | 12 | 2018 |
Parametric time-series analysis of daily air pollutants of city of Shumen, Bulgaria A Ivanov, D Voynikova, S Gocheva-Ilieva, D Boyadzhiev AIP Conference Proceedings 1487 (1), 386-396, 2012 | 11 | 2012 |
Application of the classification and regression trees for modeling the laser output power of a copper bromide vapor laser IP Iliev, DS Voynikova, SG Gocheva-Ilieva Mathematical Problems in Engineering 2013 (1), 654845, 2013 | 10 | 2013 |
Modeling of Output Characteristics of a UV Cu+ Ne‐CuBr Laser SG Gocheva-Ilieva, DS Voynikova, IP Iliev Mathematical Problems in Engineering 2012 (1), 420782, 2012 | 10 | 2012 |
Using principal component analysis and general path seeker regression for investigation of air pollution and CO modeling A Ivanov, D Voynikova, S Gocheva-Ilieva, H Kulina, I Iliev AIP Conference Proceedings 1684 (1), 2015 | 9 | 2015 |
Regression trees modeling and forecasting of PM10 air pollution in urban areas M Stoimenova, D Voynikova, A Ivanov, S Gocheva-Ilieva, I Iliev AIP Conference Proceedings 1895 (1), 2017 | 8 | 2017 |
Modeling of PM10 Air pollution in urban environment using MARS SG Gocheva-Ilieva, AV Ivanov, DS Voynikova, MP Stoimenova Large-Scale Scientific Computing: 12th International Conference, LSSC 2019 …, 2020 | 7 | 2020 |
Integrating of competences in mathematics through software—case study HN Kulina, SG Gocheva-Ilieva, DS Voynikova, PK Atanasova, AI Iliev, ... 2018 IEEE Global Engineering Education Conference (EDUCON), 1586-1590, 2018 | 5 | 2018 |
Data mining for statistical evaluation of summative and competency-based assessments in mathematics S Gocheva-Ilieva, M Teofilova, A Iliev, H Kulina, D Voynikova, A Ivanov, ... International Joint Conference: 12th International Conference on …, 2020 | 4 | 2020 |
Statistical analysis to evaluate the quality of an online practice test V Ivanova, D Voynikova AIP Conference Proceedings 2333 (1), 2021 | 3 | 2021 |
Acquiring mathematical competences towards modelling: Example using cluster analysis SG Gocheva-Ilieva, HN Kulina, DS Voynikova, AV Ivanov, AI Iliev, ... 2018 IEEE Global Engineering Education Conference (EDUCON), 1469-1474, 2018 | 3 | 2018 |
MARS models of laser efficiency of copper bromide laser DS Voynikova, SG Gocheva-Ilieva, IP Iliev AIP Conference Proceedings 1561 (1), 240-247, 2013 | 3 | 2013 |
Stochastic univariate and multivariate time series analysis of PM2. 5 and PM10 air pollution: A comparative case study for Plovdiv and Asenovgrad, Bulgaria S Gocheva-Ilieva, M Stoimenova, A Ivanov, D Voynikova, I Iliev AIP Conference Proceedings 1773 (1), 2016 | 2 | 2016 |
Two-step time series analysis for air pollution in relation to weather conditions: Case study of Nessebar, Bulgaria S Gocheva-Ilieva, D Voynikova, A Ivanov, M Stoimenova AIP Conference Proceedings 2164 (1), 2019 | 1 | 2019 |
Data Mining for Statistical Evaluation of Summative and Competency-Based Assessments in Mathematics H Kulina, D Voynikova, A Ivanov, P Atanasova International Joint Conference: 12th International Conference on …, 2019 | | 2019 |
Studying the effect of meteorological factors on the SO2 and PM10 pollution levels with refined versions of the SARIMA model AVIIPI D.S. Voynikova, S.G. Gocheva-Ilieva Seventh Conference of the Euro-American Consortium for Promoting the …, 2015 | | 2015 |