N. Pinkwart. Collaborative Modeling in Graph Based Environments. PhD thesis, Univ. Duisburg-Essen, 2005.

N. Pinkwart, N. Malzahn, D. Westheide, and H. U. Hoppe. Community Support Based on Thematic Objects and Similarity Search. Proceedings of the Workshop on Semantic Web in E-Learning at the 12th International Conference on Artificial Intelligence in Education (AIED), University of Amsterdam, 2005.

N. Pinkwart, A. Harrer, S. Lohmann, and S. Vetter. Integrating Portal Based Support Tools to Foster Learning Communities in University Courses. Proceedings of the 4th International Conference on Web Based Education (WBE), ACTA Press, 2005.

N. Pinkwart. Fostering Learning Communities based on Task Context. Proceedings of the 12th International Conference on Artificial Intelligence in Education (AIED), IOS Press, issue 125, 2005.

N. Pinkwart. Synchronization Contexts as a Means to Support Collaborative Modeling. Proceedings of the 11th International Workshop on Groupware (CRIWG), Springer Verlag, issue 3706, 2005.

A. Harrer, S. Zeini, and N. Pinkwart. The Effects of Electronic Communication Support on Presence Learning Scenarios. Computer Supported Collaborative Learning 2005: The Next 10 Years! Proceedings of the International Conference on Computer Supported Collaborative Learning (CSCL), Lawrence Erlbaum Associates, 2005.

H. U. Hoppe, N. Pinkwart, M. Oelinger, S. Zeini, F. Verdejo, B. Barros, and J. I. Mayorga. Building Bridges within Learning Communities through Ontologies and "Thematic Objects". Computer Supported Collaborative Learning 2005: The Next 10 Years! Proceedings of the International Conference on Computer Supported Collaborative Learning (CSCL), Lawrence Erlbaum Associates, 2005.