| 2013 | EuroPLop | Interaction patterns for Windows 8 tablet applications. | Dimitris-Ilias Gkanatsios, Symeon Retalis |
| 2013 | LAK | Assessing students' performance using the learning analytics enriched rubrics. | Ioannis Dimopoulos, Ourania Petropoulou, Symeon Retalis |
| 2009 | EuroPLop | Design Patterns for Creativity. | Petros Georgiakakis, Symeon Retalis |
| 2007 | AIED | The Design of AIED Systems: Learner-Centred and Design Pattern Approaches. | Vladan Devedzic, Judith Good, Andreas Harrer, Rosemary Luckin, Darren Pearce, Symeon Retalis, Judy Robertson |
| 2007 | HCI | DEPTH TOOLKIT: A Web-Based Tool for Designing and Executing Usability Evaluations of E-Sites Based on Design Patterns. | Petros Georgiakakis, Symeon Retalis, Yannis Psaromiligkos, George Papadimitriou |
| 2006 | ICALT | A Model for Interoperability in Computer Supported Collaborative Learning. | Georgios Kahrimanis, Andreas Papasalouros, Nikolaos M. Avouris, Symeon Retalis |
| 2006 | ICALT | CSCL Scripting Patterns: Hierarchical Relationships and Applicability. | Davinia Hernndez Leo, Eloy D. Villasclaras-Fernndez, Juan I. Asensio-Prez, Yannis A. Dimitriadis, Symeon Retalis |
| 2005 | CaiSE | Defining a UML Profile for Web-based Educational Applications. | Andreas Papasalouros, Symeon Retalis |
| 2004 | EuroPLop | The Learner's Mirror. | Dimitrios Vogiatzis, Aimilia Tzanavari, Symeon Retalis, Paris Avgeriou, Andreas Papasalouros |
| 2004 | ICWE | Automating Standards-Based Courseware Development Using UML. | Andreas Papasalouros, Symeon Retalis, Nikolaos Papaspyrou |
| 2004 | ICWE | DEPTH: A Methodology for Usability Evaluation of Web Sites Based on Design Patterns and Heuristics Criteria. | Yannis Psaromiligkos, Konstantinos Siassiakos, Symeon Retalis |
| 2004 | SAC | Editorial message: special track on engineering e-learning systems. | Symeon Retalis, Paris Avgeriou |
| 2003 | WWW | Building Interoperability among Learning Content Management Systems. | Bernd Simon, Symeon Retalis, Stefan Brantner |
| 2002 | ER | Building Quality into Learning Management Systems - An Architecture-Centric Approach. | Paris Avgeriou, Symeon Retalis, Manolis Skordalakis |
| 2001 | ICALT | Developing an Architecture for the Software Subsystem of a Learning Technology System - An Engineering Approach. | Paris Avgeriou, Symeon Retalis, Andreas Papasalouros, Manolis Skordalakis |
| 2001 | WWW | "Kairos": A Web-Based System for Automatic Generation of Weather Forecasts in Two Languages, Greek-English. | Dimitrios Retalis, Nikos Lourados, Symeon Retalis, Harris Papageorgiou |
| 1996 | ITS | Arguing with the Devil: teaching in Controversial Domains. | Symeon Retalis, Helen Pain, Mandy Haggith |