Publications
Kellner, G., Sommeregger, P., Berthold, M. (2012) Towards Guidelines for Educational Adventure Games Creation (EAGC), Springer, 21st Century Learning for 21st Century Skills. 7th European Conference of Technology Enhanced Learning, EC-TEL 2012, 
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Kellner, G., Berendt, B. (2012) Towards a New Dimension for User Modeling: The Use of Sensory Vocabulary, Springer LNCS, Advances in User Modeling, LNCS 7138, .
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Kellner, G., Weißenbacher, A. (2012) GETOLS: Game Embedded Testing of Learning Strategies, IEEE Computer Society Press, Proceedings of the 2012 Fourth IEEE International Conference on Digital Game and Intelligent Toy Enhanced Learning, .
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Sommeregger, P., Kellner, G. (2012) Brief Guidelines for Educational Adventure Games Creation (EAGC), IEEE Computer Society Press, Proceedings of the 2012 Fourth IEEE International Conference on Digital Game and Intelligent Toy Enhanced Learning, .
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Kellner, G., Berendt, B. (2011) A new dimension for user modeling based on the use of sensory vocabulary, Adjunct Proceedings of the 19th International Conference on User Modeling, Adaptation and Personalization (UMAP) 2011, Poster and Demo Track, .
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Kellner, G., Berendt, B. (2011) Extracting Knowledge about Cognitive Style. The Use of Sensory Vocabulary in Forums: A Text Mining Approach, IEEE, Proceedings of the 7th International Conference on Natural Language Processing and Knowledge Engineering, .
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Kellner, G. (2010) Wege der Kommunikationsoptimierung, VDM - Verlag Dr. Müller, Saarbrücken.
Kellner, G. (2009) Modeling the User´s Preferred Perceptual System by Analyzing the User´s Wording, User Modeling, Adaptation, and Personalization. 17th International Conference, UMAP 2009, formerly UM and AH, Trento, Italy, June 22-26, 2009, Adjoint Proceedings, .
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Kellner, G. (2008) Optimization of communication by analyzing the interlocutor's wording, Proceedings of the Junior Scientist Conference 2008, .
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Kellner, G. (2006) Wege der Kommunikationsoptimierung. Anwendung von NLP im Bereich der Künstlichen Intelligenz. Verbesserung von zielgerichtetem Sprechverhalten durch adäquate Vokabularauswahl - Repräsentationssysteme und deren Anwendung auf Gesprächssimulation, , Master thesis at Universität Wien.