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Omiros Ragos
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Semi-supervised regression: A recent review
G Kostopoulos, S Karlos, S Kotsiantis, O Ragos
Journal of Intelligent & Fuzzy Systems 35 (2), 1483-1500, 2018
1362018
Implementing AutoML in Educational Data Mining for Prediction Tasks
M Tsiakmaki, G Kostopoulos, S Kotsiantis, O Ragos
Applied Sciences 10 (1), 90, 2020
1012020
Transfer learning from deep neural networks for predicting student performance
M Tsiakmaki, G Kostopoulos, S Kotsiantis, O Ragos
Applied Sciences 10 (6), 2145, 2020
992020
A numerical study of the influence of the Poynting-Robertson effect on the equilibrium points of the photogravitational restricted three-body problem II. Out of plane case
O Ragos, FA Zafiropoulos, MN Vrahatis
Astronomy and Astrophysics 300, 579, 1995
661995
Periodic solutions about the ‘out of plane’equilibrium points in the photogravitational restricted three-body problem
O Ragos, C Zagouras
Celestial mechanics 44 (1-2), 135-154, 1988
571988
ZEAL: A mathematical software package for computing zeros of analytic functions
P Kravanja, M Van Barel, O Ragos, MN Vrahatis, FA Zafiropoulos
Computer physics communications 124 (2-3), 212-232, 2000
462000
On the equilibrium points of the relativistic restricted three-body problem
O Ragos, EA Perdios, VS Kalantonis, MN Vrahatis
Nonlinear Analysis-Theory Methods and Applications 47 (5), 3413-3418, 2001
332001
Method for computing long periodic orbits of dynamical systems
L Drossos, O Ragos, MN Vrahatis, T Bountis
Physical Review E 53 (1), 1206, 1996
331996
Predicting University Students' Grades Based on Previous Academic Achievements
M Tsiakmaki, G Kostopoulos, G Koutsonikos, C Pierrakeas, S Kotsiantis, ...
2018 9th International Conference on Information, Intelligence, Systems and …, 2018
322018
Yukawa-type potential effects in the anomalistic period of celestial bodies
I Haranas, O Ragos, V Mioc
Astrophysics and Space Science 332 (1), 107-113, 2011
292011
On the localization and computation of zeros of Bessel functions
MN Vrahatis, TN Grapsa, O Ragos, FA Zafiropoulos
ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1997
281997
Periodic solutions around the collinear langrangian points in the photo gravitational restricted three-body problem: Sun-Jupiter case
O Ragos, C Zagouras
Celestial Mechanics and Dynamical Astronomy 50 (4), 325-347, 1990
281990
Locating and computing zeros of Airy functions
MN Vrahatis, O Ragos, FA Zafiropoulos, TN Grapsa
ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1996
261996
RFSFNS: A portable package for the numerical determination of the number and the calculation of roots of Bessel functions
MN Vrahatis, O Ragos, T Skiniotis, FA Zafiropoulos, TN Grapsa
Computer physics communications 92 (2-3), 252-266, 1995
261995
Fuzzy-based active learning for predicting student academic performance using autoML: a step-wise approach
M Tsiakmaki, G Kostopoulos, S Kotsiantis, O Ragos
Journal of Computing in Higher Education 33 (3), 635-667, 2021
252021
Yukawa-type effects in satellite dynamics
I Haranas, O Ragos
Astrophysics and Space Science 331 (1), 115-119, 2011
252011
On the existence of the “out of plane” equilibrium points in the photogravitational restricted three-body problem
O Ragos, CG Zagouras
Astrophysics and space science 209 (2), 267-271, 1993
221993
Effects in the anomalistic period of celestial bodies due to a logarithmic correction to the Newtonian gravitational potential
O Ragos, I Haranas, I Gkigkitzis
Astrophysics and Space Science 345 (1), 67-72, 2013
212013
Nexus Services in Smart City Ecosystems
P Tsoutsa, P Fitsilis, L Anthopoulos, O Ragos
Journal of the Knowledge Economy, 1-21, 0
21
Early dropout prediction in distance higher education using active learning
G Kostopoulos, S Kotsiantis, O Ragos, TN Grapsa
2017 8th International Conference on Information, Intelligence, Systems …, 2017
202017
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