P. Heim, J. Ziegler, and S. Lohmann. Proceedings of the International Workshop on Interacting with Multimedia Content in the Social Semantic Web (IMC-SSW'08), page 49-58. CEUR-WS, (2008)
P. Heim, S. Lohmann, K. Lauenroth, and J. Ziegler. Proceedings of the 3rd International Workshop on Requirements Engineering Visualization (REV 08), page 51--55. Washington, DC, USA, IEEE Computer Society, (2008)