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)

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)

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)

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

De Troyer, O., Kleinermann, F., Mansouri, H., Pellens, B., Bille, W., Fomenko, V.: "Developing semantic VR-shops for e-Commerce", Special Issue of VIRTUAL REALITY: "Virtual Reality in the e-Society", Vol. 11, pp. 89-106, Eds. G. D. Magoulas, G. Lepouras, C. Vassilakis, Publ. Springer London, ISBN 1359-4338 (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)

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)