Karlsruhe Reports in Informatics 2012,7 Edited by Karlsruhe Institute of Technology, Faculty of Informatics ISSN 2190-4782 Design and Implementation of a Tool for Peer Assessment Tobias Kimmerle, Christian Hütter, and Klemens Böhm 2012 KIT – University of the State of Baden-Wuerttemberg and National Research Center of the Helmholtz Association