| 2015 | EDUCON | The AppComposer Web application for school teachers: A platform for translating and adapting educational web applications. | Luis Rodriguez-Gil, Pablo Ordua, Lars Bollen, Sten Govaerts, Adrian Holzer, Denis Gillet, Diego Lpez-de-Ipia, Javier Garca-Zuba |
| 2014 | ICALT | A Flexible Framework for the Authoring of Reusable and Portable Learning Analytics Gadgets. | Sven Manske, Tobias Hecking, Lars Bollen, Tilman Ghnert, Alfredo Ramos Lezama, Heinz Ulrich Hoppe |
| 2012 | ITS | Drawing-Based Modeling for Early Science Education. | Wouter R. van Joolingen, Lars Bollen, Frank Leenaars, Hannie Gijlers |
| 2009 | ICALT | Learning Activity Spaces: Towards Flexibility in Learning Design? | Anne Lejeune, Muriel Ney, Armin Weinberger, Margus Pedaste, Lars Bollen, Tasos Hovardas, Ulrich Hoppe, Ton de Jong |
| 2009 | ICALT | A Graphical Modeling Language for Computer-Based Learning Scenarios. | Anne Lejeune, Muriel Ney, Armin Weinberger, Margus Pedaste, Lars Bollen, Tasos Hovardas, Ulrich Hoppe, Ton de Jong |
| 2007 | ICALT | A Broker Architecture for Integration of Heterogeneous Applications for Inquiry Learning. | Lars Bollen, Andreas Harrer, Heinz Ulrich Hoppe, Wouter R. van Joolingen |
| 2007 | ICALT | CIEL, architectures for collaborative inquiry and experiential learning. | Wouter R. van Joolingen, Lars Bollen, Heinz Ulrich Hoppe, Ton de Jong |
| 2005 | AIED | Generating Reports of Graphical Modelling Processes for Authoring and Presentation. | Lars Bollen |
| 2005 | AIED | Collaboration and Cognitive Tutoring: Integration, Empirical Results, and Future Directions. | Andreas Harrer, Bruce M. McLaren, Erin Walker, Lars Bollen, Jonathan Sewall |
| 2004 | ICALT | The Use of Mobile Computing to Support SMS Dialogues and Classroom Discussions in a Literature Course. | Lars Bollen, Sabrina C. Eimler, Heinz Ulrich Hoppe |
| 2004 | ICALT | An Integrated Approach for Analysis-Based Report Generation. | Lars Bollen, Andreas Harrer, Heinz Ulrich Hoppe |
| 2004 | ICWE | Toward Cognitive Tutoring in a Collaborative, Web-Based Environment. | Bruce M. McLaren, Kenneth R. Koedinger, Mike Schneider, Andreas Harrer, Lars Bollen |
| 2002 | ITS | Group-Oriented Modelling Tools with Heterogeneous Semantics. | Niels Pinkwart, Heinz Ulrich Hoppe, Lars Bollen, Eva Fuhlrott |