Vandebosch, H., Herrewijn, L., Van Cleemput, K., Malliet, S., Bastiaensens, S., Van Broeckhoven, F., ... Poels, K. (2016). The efficacy of a serious game aimed at the promotion of positive bystander behavior in cyberbullying among adolescents: examining the role of player experience and player behavior. Poster session presented at International academic conference on Meaningful Play 2016, East Lansing, Michigan, United States.

Abo Zaid, L., Kleinermann, F., De Troyer, O.: Feature Assembly Framework: Towards Scalable and Reusable Feature Models, Fifth International Workshop on Variability Modelling of Software-intensive Systems (VAMOS 2011), Namur, Belgium, January 2011

Pellens, B., Kleinermann, F., De Troyer, O.: "An Approach Facilitating 3D/VR System Development Using Behavior Design Patterns", Proceedings of the International Workshop on Software Engineering and Architectures for Realtime Interactive Systems, pp. 17-24, Eds. Marc Erich Latoschik, Dirk Reiners, Roland Blach, Pablo Figueroa and Raimund Dachselt, Publ. Shaker Verlag, ISBN 978-3-8322-8989-8, Boston, USA (2010)

Pellens, B., De Troyer, O., Kleinermann, F.: "CoDePA Studio: Adding Explicit Support for Behavior Variants in Authoring Games", Proceedings of the 3rd Annual Conference on Computer Games, Multimedia and Allied Technology (CGAT 2010), pp. 151-158, Eds. Edmond Prakash, Publ. APTF, ISBN 978-981-08-5479-9 , Singapore, Singapore (2010)

DE TROYER OLGA, KLEINERMANN FREDERIC, EWAIS AHMED, "Enhancing Virtual Learning Environments with Adaptivity: Lessons Learned ", Lecture Notes in Computer Science, issue HCI in Work and Learning, Life and Leisure, vol.6389, pp.244 - 265, eds. Leitner, G., Hitz, M., Holzinger, A., published by Springer-Verlag Berlin Heidelberg

Abo Zaid, L., Kleinermann, F., De Troyer, O.: "FEATURE ASSEMBLY MODELLING A New Technique for Modelling Variable Software", 5th International Conference on Software and Data Technologies Proceedings, Volume: 1, pp. pp: 29 - 35, Eds. José Cordeiro Maria Virvou Boris Shishkov, Publ. SciTePress, ISBN 978-989-8425-22-5, Athens, Greece (2010)

Abo Zaid, L., Kleinermann, F., De Troyer, O.: "Feature Assembly: A New Feature Modeling Technique", 29th International Conference on Conceptual Modeling , pp. 233-246, Publ. springer verlag, ISBN 978-3-642-16372-2, Vancouver, BC, Canada (2010) (DOI: 10.1007/978-3-642-16373-9_17 )

De Troyer, O., Bille, W., Kleinermann, F.: "Defining the Semantics of Conceptual Modeling Concepts for 3D Complex Objects in Virtual Reality", Journal on Data Semantics XIV, LNCS 5880, pp. 1-36, Eds. S. Spaccapietra, L. Delcambre, Publ. Springer-Verlag Berlin Heidelberg (2009)

Pellens, B., Kleinermann, F., De Troyer, O.: "A Development Environment using Behavior Patterns to Facilitate Building 3D/VR Applications", In Proceedings of the 6th Australasian Conference on Interactive Entertainment, Publ. ACM, ISBN 978-1-4503-0010-0, Sydney, Australia (2009)

Abo Zaid, L., Kleinermann, F., De Troyer, O.: Applying Semantic Web Technology to Feature Modeling. In: The 24th Annual ACM Symposium on Applied Computing, The Semantic Web and Applications (SWA) Track, March 2009.

Mansouri, H., Kleinermann, F., De Troyer, O.: "Detecting inconsistencies in the design of virtual environments over the web using domain specific rules", In Proceedings of the 14th International Conference on 3D Web Technology, pp. 101-109, Eds. Stephen N. Spencer, Publ. ACM, ISBN 978-1-60558-432-4, Darmstadt, Germany (2009)

De Troyer, O., Kleinermann, F., Pellens, B., Ewais, A.: "Supporting Virtual Reality in an Adaptive Web-based Learning Environment", Learning in the Synergy of Multiple Disciplines, Proceedings of the 4th European Conference on Technology Enhanced Learning (EC-TEL), LNCS 5794, pp. 627-632, Eds. Cress. U. et al, Publ. Springer, ISBN 978-3-642-04635-3, Nice, France (2009)

Pellens, B., De Troyer, O., Kleinermann, F.: "Visual Generative Behavior Patterns to Facilitate Game Development", Proceedings of the International FuturePlay Conference, pp. 13-14, ISBN 978-1-60558-685-4, Vancouver, Canada (2009)

Abo Zaid, L., Houben, G-J., De Troyer, O., Kleinermann, F.: An OWL- Based Approach for Integration in Collaborative Feature Modelling. 4th Workshop on Semantic Web Enabled Software Engineering - SWESE2008

Pellens, B., De Troyer, O., Kleinermann, F.: "CoDePA: A Conceptual Design Patterns Approach to model Behavior for X3D Worlds", Proceedings of the 13th International Symposium on 3D Web Technology (Web3D 2008), pp. 91-99, Publ. ACM Press, ISBN 978-1-60558-213-9, Los Angeles, USA (2008)

Kleinermann, F., De Troyer, O., Creelle, C., Pellens, B.: "Adding semantic annotations, Navigation paths and Tour Guides for Existing Virtual Environments", Proceedings of the 13th International Conference on Virtual Systems and Multimedia, pp. 50-62, Publ. Springer-Verlag, ISBN 978-0-9775978-1-9, Brisbane, Australia (2007)

De Troyer, O., Kleinermann, F., Pellens, B., Bille, W.: "Conceptual Modeling for Virtual Reality", In Tutorials, Posters, Panels, and Industrial Contributions of the 26th international Conference on Conceptual Modeling (ER 07), Publ. CRPIT, Auckland, New Zealand (2007

Kleinermann, F., De Troyer, O., Creelle, C., Pellens, B.: "Using Semantic Annotations for Customizing Navigation Paths and Virtual Tour Guides for Virtual Environments", Proceedings of the 4th INTUITION International Conference on Virtual Reality and Virtual Environments, pp. 189-197, Publ. INTUITION, ISBN 978-960-254-665-9, Athens, Greece (2007)

Pellens, B., Kleinermann, F., De Troyer, O.: "Intuitively Specifying Object Dynamics in Virtual Environments using VR-WISE", Proceedings of the ACM Symposium on Virtual Reality Software and Technology, pp. 334-337, Publ. ACM Press, ISBN 1-59593-321-2, Limassol, Cyprus (2006)

Pellens, B., Kleinermann, F., De Troyer, O., Bille, W.: "Model-Based Design of Virtual Environment Behavior", Proceedings of the 12th International Conference on Virtual Systems and Multimedia, pp. 29-39, Eds. H. Zha et al. , Publ. Springer Verlag, LNCS 4270, ISBN 3-540-46304-6, Xian, China (2006)

Coninx, K., De Troyer, O., Raymaekers, C., Kleinermann, F.: "VR-DeMo: a Tool-supported Approach Facilitating Flexible Development of Virtual Environments using Conceptual Modelling", Proceedings of Virtual Concept 2006, Eds. Coutellier, D. and Fischer, X., Publ. Springer-Verlag, ISBN 2-287-48363-2, Cancun, mexico (2006)

Pellens, B., De Troyer, O., Bille, W., Kleinermann, F., Romero, R.: "An Ontology-Driven Approach for Modeling Behavior in Virtual Environments", Proceedings of Ontology Mining and Engineering and its Use for Virtual Reality (WOMEUVR 2005), pp. 1215-1224, Eds. Meersman, R. et al., Publ. Springer-Verlag, ISBN 3-540-29739-1, Agia Napa, Cyprus (2005)

Bille, W., De Troyer, O., Pellens, B., Kleinermann, F.: "Conceptual Modeling of Articulated Bodies in Virtual Environments", Proceedings of the 11th International Conference on Virtual Systems and Multimedia, pp. 17-26, Eds. Hal Thwaites, Publ. Archaeolingua, ISBN 963 8046 63 5, Gent, Belgium (2005)

Pellens, B., De Troyer, O., Bille, W., Kleinermann, F.: "Conceptual Modeling of Object Behavior in a Virtual Environment", Proceedings of Virtual Concept 2005, pp. 93-94, Eds. Xavier Fisher et al., Publ. Springer-Verlag, ISBN 2-287-28772-8, Biarritz, France (2005)

Kleinermann, F., De Troyer, O., Mansouri, H., Romero, R., Pellens, B., Bille, W.: "Designing Semantic Virtual Reality Applications", Proceedings of the 2nd INTUITION International Workshop, Senlis, France (2005)

Pellens, B., Bille, W., De Troyer, O., Kleinermann, F.: "VR-WISE: A Conceptual Modelling Approach For Virtual Environments", CD-ROM Proceedings of the Methods and Tools for Virtual Reality (MeTo-VR 2005) workshop, Gent, Belgium (2005)

Bille, W., Pellens, B., Kleinermann, F., De Troyer, O.: "Intelligent Modelling of Virtual Worlds Using Domain Ontologies", Proceedings of the Workshop of Intelligent Computing (WIC), held in conjunction with the MICAI 2004 conference, pp. 272 - 279, Eds. L. Sheremetov, M. Alvarado, ISBN 968-489-024-9, Mexico City, Mexico (2004)

Bille, W., De Troyer, O., Kleinermann, F., Pellens, B., Romero, R.: "Using Ontologies to Build Virtual Worlds for the Web", Proceedings of the IADIS International Conference WWW/Internet 2004 (ICWI2004), Volume I, pp. 683 - 690, Eds. Isaias, P., Karmakar, N., Publ. IADIS PRESS, ISBN 972-99353-0-0, Madrid, Spain (2004)