 | 2012 |
| 23 |  | Frank Leenaars,
Wouter R. van Joolingen,
Hannie Gijlers,
Lars Bollen:
Drawing-Based Simulation for Primary School Science Education: An Experimental Study of the GearSketch Learning Environment.
DIGITEL 2012: 1-8 |
| 22 |  | Lars Bollen,
Marc Jansen,
Sabrina Eimler:
Towards a Multichannel Input Dimension in Learning Scenarios with Mobile Devices.
WMUTE 2012: 311-315 |
| 21 |  | Adam Giemza,
Lars Bollen,
Marc Jansen,
Heinz Ulrich Hoppe:
An Architecture for Supporting Heterogeneous Multi-Device Learning Environments.
WMUTE 2012: 67-71 |
| 2010 |
| 20 |  | Wouter R. van Joolingen,
Lars Bollen:
Interactive drawing tools to support modeling of dynamic systems.
ICLS 2010: 169-171 |
| 19 |  | Adam Giemza,
Lars Bollen,
Peter Seydel,
André Overhagen,
Heinz Ulrich Hoppe:
LEMONADE: A Flexible Authoring Tool for Integrated Mobile Learning Scenarios.
WMUTE 2010: 73-80 |
| 18 |  | Lars Bollen:
Activity structuring and activity monitoring in heterogeneous learning scenarios with mobile devices.
University of Duisburg-Essen 2010: 1-218 |
| 2009 |
| 17 |  | Anne Lejeune,
Muriel Ney,
Armin Weinberger,
Margus Pedaste,
Lars Bollen,
Tasos Hovardas,
Ulrich Hoppe,
Ton de Jong:
Learning Activity Spaces: Towards Flexibility in Learning Design?
ICALT 2009: 433-437 |
| 16 |  | Anne Lejeune,
Muriel Ney,
Armin Weinberger,
Margus Pedaste,
Lars Bollen,
Tasos Hovardas,
Ulrich Hoppe,
Ton de Jong:
A Graphical Modeling Language for Computer-Based Learning Scenarios.
ICALT 2009: 734-735 |
| 15 |  | Francisco Jurado,
Ana I. Molina,
Miguel A. Redondo,
Manuel Ortega,
Adam Giemza,
Lars Bollen,
Heinz Ulrich Hoppe:
Learning to Program with COALA, a Distributed Computer Assisted Environment.
J. UCS 15(7): 1472-1485 (2009) |
| 2008 |
| 14 |  | Lars Bollen,
Adam Giemza,
Heinz Ulrich Hoppe:
Flexible Analysis of User Actions in Heterogeneous Distributed Learning Environments.
EC-TEL 2008: 62-73 |
| 2007 |
| 13 |  | Lars Bollen,
Andreas Harrer,
Heinz Ulrich Hoppe,
Wouter R. van Joolingen:
A Broker Architecture for Integration of Heterogeneous Applications for Inquiry Learning.
ICALT 2007: 15-17 |
| 12 |  | Wouter R. van Joolingen,
Lars Bollen,
Heinz Ulrich Hoppe,
Ton de Jong:
CIEL, architectures for collaborative inquiry and experiential learning.
ICALT 2007: 308-312 |
| 2006 |
| 11 |  | Andreas Harrer,
Georgios Kahrimanis,
Sam Zeini,
Lars Bollen,
Nikolaos M. Avouris:
Is There a Way to e-Bologna? Cross-National Collaborative Activities in University Courses.
EC-TEL 2006: 140-154 |
| 10 |  | Lars Bollen,
Guillermo Juarez,
Micha Westermann,
Heinz Ulrich Hoppe:
PDAs as Input Devices in Brainstorming and Creative Discussions.
WMTE 2006: 137-141 |
| 9 |  | Andreas Harrer,
Bruce M. McLaren,
Erin Walker,
Lars Bollen,
Jonathan Sewall:
Creating cognitive tutors for collaborative learning: steps toward realization.
User Model. User-Adapt. Interact. 16(3-4): 175-209 (2006) |
| 2005 |
| 8 |  | Andreas Harrer,
Bruce M. McLaren,
Erin Walker,
Lars Bollen,
Jonathan Sewall:
Collaboration and Cognitive Tutoring: Integration, Empirical Results, and Future Directions.
AIED 2005: 266-273 |
| 7 |  | Lars Bollen:
Generating Reports of Graphical Modelling Processes for Authoring and Presentation.
AIED 2005: 954 |
| 6 |  | Bruce M. McLaren,
Lars Bollen,
Erin Walker,
Andreas Harrer,
Jonathan Sewall:
Cognitive tutoring of collaboration: developmental and empirical steps towards realization.
CSCL 2005: 418-422 |
| 2004 |
| 5 |  | Lars Bollen,
Andreas Harrer,
Heinz Ulrich Hoppe:
An Integrated Approach for Analysis-Based Report Generation.
ICALT 2004: 0- |
| 4 |  | Lars Bollen,
Sabrina Eimler,
Heinz Ulrich Hoppe:
The Use of Mobile Computing to Support SMS Dialogues and Classroom Discussions in a Literature Course.
ICALT 2004: 0- |
| 3 |  | Bruce M. McLaren,
Kenneth R. Koedinger,
Mike Schneider,
Andreas Harrer,
Lars Bollen:
Toward Cognitive Tutoring in a Collaborative, Web-Based Environment.
ICWE Workshops 2004: 167-179 |
| 2 |  | Lars Bollen,
Sabrina Eimler,
Heinz Ulrich Hoppe:
SMS-based Discussions - Technology Enhanced Collaboration for a Literature Course.
WMTE 2004: 209-210 |
| 2002 |
| 1 |  | Niels Pinkwart,
Heinz Ulrich Hoppe,
Lars Bollen,
Eva Fuhlrott:
Group-Oriented Modelling Tools with Heterogeneous Semantics.
Intelligent Tutoring Systems 2002: 21-30 |