Georgios Kostopoulos

26 papers C 3Journal 13Unranked 9

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A Survey of Multimodal Learning Analytics: Data, Methods, Systems, and Responsible Deployment. Future Internet Georgios Kostopoulos, Sotiris Kotsiantis, Theodor Panagiotakopoulos, Achilles Kameas
2025	J	`jnl`	Agentic AI in Education: State of the Art and Future Directions. IEEE Access Georgios Kostopoulos, Vasileios Gkamas, Maria Rigou, Sotiris Kotsiantis
2025	J	`jnl`	Benchmarking Statistical and Deep Generative Models for Privacy-Preserving Synthetic Student Data in Educational Data Mining. Algorithms Georgios Kostopoulos, Maria Tsiakmaki, Sotiris Kotsiantis
2025	J	`jnl`	Enhancing Semi-Supervised Learning in Educational Data Mining Through Synthetic Data Generation Using Tabular Variational Autoencoder. Algorithms Georgios Kostopoulos, Nikos Fazakis, Sotiris Kotsiantis, Yiannis Dimakopoulos
2024	—	`conf`	Optimizing Service Efficiency: Incoming Call Forecasting Utilizing Smart City Open Data - A Case Study. SETN Gregory Davrazos, George Raftopoulos, Georgios Kostopoulos, Sotiris Kotsiantis
2021	J	`jnl`	Fuzzy-based active learning for predicting student academic performance using autoML: a step-wise approach. J. Comput. High. Educ. Maria Tsiakmaki, Georgios Kostopoulos, Sotiris Kotsiantis, Omiros Ragos
2021	J	`jnl`	Interpretable Models for Early Prediction of Certification in MOOCs: A Case Study on a MOOC for Smart City Professionals. IEEE Access Georgios Kostopoulos, Theodor Panagiotakopoulos, Sotiris Kotsiantis, Christos Pierrakeas, Achilles Kameas
2020	J	`jnl`	A Soft-Voting Ensemble Based Co-Training Scheme Using Static Selection for Binary Classification Problems. Algorithms Stamatis Karlos, Georgios Kostopoulos, Sotiris Kotsiantis
2020	J	`jnl`	An active learning ensemble method for regression tasks. Intell. Data Anal. Nikos Fazakis, Georgios Kostopoulos, Stamatis Karlos, Sotiris Kotsiantis, Kyriakos N. Sgarbas
2020	J	`jnl`	Iterative Robust Semi-Supervised Missing Data Imputation. IEEE Access Nikos Fazakis, Georgios Kostopoulos, Sotiris Kotsiantis, Iosif Mporas
2020	—	`—`	Ανάπτυξη πρωτότυπων αλγορίθμων μηχανικής μάθησης για χρήση σε εκπαιδευτικά δεδομένα και σε συστήματα διαχείρισης εκπαιδευτικού περιεχομένου Georgios Kostopoulos
2019	J	`jnl`	A Semi-Supervised Regression Algorithm for Grade Prediction of Students in Distance Learning Courses. Int. J. Artif. Intell. Tools Georgios Kostopoulos, Sotiris Kotsiantis, Nikos Fazakis, Giannis Koutsonikos, Christos Pierrakeas
2019	—	`conf`	Multi-objective Optimization of C4.5 Decision Tree for Predicting Student Academic Performance. IISA Georgios Kostopoulos, Nikos Fazakis, Sotiris Kotsiantis, Kyriakos N. Sgarbas
2019	J	`jnl`	Multiview Learning for Early Prognosis of Academic Performance: A Case Study. IEEE Trans. Learn. Technol. Georgios Kostopoulos, Stamatis Karlos, Sotiris Kotsiantis
2019	—	`conf`	Self-trained eXtreme Gradient Boosting Trees. IISA Nikos Fazakis, Georgios Kostopoulos, Stamatis Karlos, Sotiris Kotsiantis, Kyriakos N. Sgarbas
2018	J	`jnl`	CST-Voting: A semi-supervised ensemble method for classification problems. J. Intell. Fuzzy Syst. Georgios Kostopoulos, Ioannis E. Livieris, Sotiris B. Kotsiantis, Vassilis Tampakas
2018	—	`conf`	Predicting University Students' Grades Based on Previous Academic Achievements. IISA Maria Tsiakmaki, Georgios Kostopoulos, Giannis Koutsonikos, Christos Pierrakeas, Sotiris Kotsiantis, Omiros Ragos
2018	J	`jnl`	Semi-supervised regression: A recent review. J. Intell. Fuzzy Syst. Georgios Kostopoulos, Stamatis Karlos, Sotiris Kotsiantis, Omiros Ragos
2017	—	`conf`	A Prognosis of Junior High School Students' Performance Based on Active Learning Methods. BFAL Georgios Kostopoulos, Sotiris Kotsiantis, Vassilios S. Verykios
2017	—	`conf`	Early dropout prediction in distance higher education using active learning. IISA Georgios Kostopoulos, Sotiris Kotsiantis, Omiros Ragos, Theodoula N. Grapsa
2017	—	`conf`	Enhancing high school students' performance based on semi-supervised methods. IISA Georgios Kostopoulos, Ioannis E. Livieris, Sotiris Kotsiantis, Vassilis Tampakas
2017	—	`conf`	Evaluating Active Learning Methods for Bankruptcy Prediction. BFAL Georgios Kostopoulos, Stamatis Karlos, Sotiris Kotsiantis, Vassilis Tampakas
2017	C	`conf`	Predicting Student Performance in Distance Higher Education Using Active Learning. EANN Georgios Kostopoulos, Anastasia-Dimitra Lipitakis, Sotiris Kotsiantis, George A. Gravvanis
2017	C	`conf`	Using Active Learning Methods for Predicting Fraudulent Financial Statements. EANN Stamatis Karlos, Georgios Kostopoulos, Sotiris Kotsiantis, Vassilis Tampakas
2015	—	`conf`	Estimating student dropout in distance higher education using semi-supervised techniques. Panhellenic Conference on Informatics Georgios Kostopoulos, Sotiris B. Kotsiantis, Panagiotis E. Pintelas
2015	C	`conf`	Predicting Student Performance in Distance Higher Education Using Semi-supervised Techniques. MEDI Georgios Kostopoulos, Sotiris B. Kotsiantis, Panagiotis E. Pintelas