| | Issue Date | Title | Author(s) | Journal |
| 1 | Sep-2009 | Robust Sequential Data Modeling Using an Outlier Tolerant Hidden Markov Model | Chatzis, Sotirios P. ; Kosmopoulos, Dimitrios ; Varvarigou, Theodora | IEEE Transactions on Pattern Analysis and Machine Intelligence |
| 2 | Jun-2009 | Factor analysis latent subspace modeling and robust fuzzy clustering using t-distributions | Chatzis, Sotirios P. ; Varvarigou, Theodora | IEEE Transactions on Fuzzy Systems |
| 3 | Oct-2008 | Robust fuzzy clustering using mixtures of Student’s-t distributions | Dr Chatzis, Sotirios P. ; Varvarigou, Theodora | Pattern Recognition Letters |
| 4 | Mar-2008 | Signal modeling and classification using a robust latent space model based on t distributions | Chatzis, Sotirios P. ; Kosmopoulos, Dimitrios I. ; Varvarigou, Theodora | IEEE Transactions on Signal Processing |
| 5 | 2008 | A fuzzy clustering approach toward Hidden Markov random field models for enhanced spatially constrained image segmentation | Chatzis, Sotirios P. ; Varvarigou, Theodora | IEEE Transactions on Fuzzy Systems |
| 6 | 2008 | Managing service level agreement contracts in OGSA-based Grids | Chatzis, Sotirios P. ; Litke, Antonios ; Konstanteli, Kleopatra ; Andronikou, Vassiliki ; Varvarigou, Theodora | Future Generation Computer Systems |