Harris Partaourides, Andreas Voskou, Sotirios Chatzis, Dimitrios Kosmopoulos, and Dimitris Metaxas, “Variational Bayesian Sequence to Sequence Networks for Memory-Efficient Sign Language Translation,” Proc. International Symposium on Visual Computing (ISVC), 2020.
Christos Kleanthous, Theodoros Christophides, and Sotirios Chatzis, “Power-law Mixtures of Bayesian Forests for Value-Added Tax Audit Case Selection,” Proc. ACM International Conference on AI in Finance (ICAIF), 2020.
Konstantinos Panousis*, Sotirios Chatzis*, and Sergios Theodoridis, "Nonparametric Bayesian Local Winner-Takes-All Networks," Proc. 36th ICML, 2019.
Savvas Zannettou, Sotirios Chatzis, Kostantinos Papadamou, Michael Sirivianos, "The good, the bad and the bait: Detecting and characterizing clickbait videos on YouTube," Proc. 39th IEEE Symposium on Security and Privacy, 2018.
Sotirios P. Chatzis, "Indian Buffet Process Deep Generative Models for Semi-Supervised Classification," Proc. 43rd IEEE ICASSP, 2018.
Indicative Recent Journal Publications
Christos Kleanthous and Sotirios Chatzis, “Gated Mixture Variational Autoencoders for VAT Audit Case Selection,” Knowledge-Based Systems, vol. 180, Jan. 2020.
Pavlos Nikolaidis, Sotirios Chatzis, and Andreas Poulikkas, “Optimal planning of electricity storage to minimize operating reserve requirements in an isolated island grid,” Energy Systems, vol. 11, no. 4, 2020.
Kyriakos Tolias and Sotirios P. Chatzis, “t-Exponential Memory Networks for Question-Answering Machines,” IEEE Transactions on Neural Networks and Learning Systems, vol. 30, no. 8, pp. 2463 - 2477, 2019.
Sotirios P. Chatzis, Vasilis Siakoulis, Anastasios Petropoulos, Vangelis Stavroulakis, and Nikos Vlachogiannakis, “Forecasting stock market crisis events using deep and statistical machine learning techniques,” Expert Systems with Applications, vol. 112, pp. 353-371, Dec. 2018.
Anastasios Petropoulos, Sotirios P. Chatzis, Vasilis Siakoulis, and Nikos Vlachogiannakis, “A Stacked Generalization System for Automated FOREX Portfolio Trading,” Expert Systems with Applications, vol. 90, pp. 290-302, Dec. 2017.
Department of Electrical Engineering, Computer Engineering, and Informatics
The lab is part of the Social Computing Research Center