2015

A Trustworthy, Fault-tolerant and Scalable Self-Configuration Algorithm for Organic Computing Systems
Nizar Msadek, Rolf Kiefhaber, Theo Ungerer
Journal of Systems Architecture (JSA)

Trust as a Principal Ingredient to improve the Robustness of Self-Organizing Systems
Nizar Msadek, Theo Ungerer
Organic Computing: Doctoral Dissertation Colloquium 2015

Trustworthy Self-Optimization in Organic Computing Environments
Nizar Msadek, Rolf Kiefhaber, Theo Ungerer
28th GI/ITG International Conference on Architecture of Computing Systems (ARCS)

A Mechanism for Minimizing Trust Conflicts in Organic Computing Systems
Nizar Msadek, Alexander Stegmeier, Rolf Kiefhaber, Theo Ungerer
3rd International Workshop on Self-optimisation in Organic and Autonomic Computing Systems (SAOS)

Links: paper

2014

A Trust- and Load-Based Self-Optimization Algorithm for Organic Computing Systems
Nizar Msadek, Rolf Kiefhaber, Theo Ungerer
in Proceedings of the 8th International Conference on Self-Adaptive and Self-Organizing Systems (SASO)

Publisher: IEEE
DOI:  10.1109/SASO.2014.32

Trust-Enhanced Self-configuration for Organic Computing Systems
Nizar Msadek, Rolf Kiefhaber, Bernhard Fechner, Theo Ungerer
Proceedings of 27th International Conference on Architecture of Computing Systems – ARCS 2014

Simultaneous Self-Configuration with Multiple Managers for Organic Computing Systems
Nizar Msadek, Rolf Kiefhaber, Theo Ungerer
27th International Conference on Architecture of Computing Systems (ARCS)

Links: url

2013

Ranking of Direct Trust, Confidence, and Reputation in an Abstract System with Unreliable Components
Rolf Kiefhaber, Ralf Jahr, Nizar Msadek, Theo Ungerer
Proceedings of the 10th International Conference on Autonomic and Trusted Computing (ATC 2013)

A User-Centric Study Of Reputation Metrics in Online Communities
Stephan Hammer, Rolf Kiefhaber, Matthias Redlin, Elisabeth Andre, and Theo Ungerer
Proc. of the 3rd Workshop on Trust, Reputation and User Modeling (TRUM'13) , held in conjunction with the 21st Conference on user Modeling, Adaptation and Personalization (UMAP 2013), Rome, Italy

Improving the Self-X Properties of Organic Computing Systems with Trust
Nizar Msadek, Theo Ungerer
Proceedings of the First Organic Computing Doctoral Dissertation Colloquium (OC-DDC), pp. 45–48

Links: url

TEMAS - A Trust-Enabling Multi-Agent System for Open Environments
Gerrit Anders, Florian Siefert, Nizar Msadek, Rolf Kiefhaber, Oliver Kosak, Wolfgang Reif, Theo Ungerer
Universitätsbibliothek der Universität Augsburg, Technical Report
Reference: 2013-04

Links: Document in OPUS Database

2012

Confidence as a Means to Assess the Accuracy of Trust Values
Rolf Kiefhaber, Gerrit Anders, Florian Siefert, Theo Ungerer, Wolfgang Reif
Proceedings of the 11th IEEE International Conference on Trust, Security, and Privacy in Computing and Communications (TrustCom-2012), pages 690 - 697

2011

The Neighbor-Trust Metric to Measure Reputation in Organic Computing Systems
Rolf Kiefhaber, Stephan Hammer, Benjamin Savs, Julia Schmitt, Michael Roth, Florian Kluge, Elisabeth André, Theo Ungerer
Proceedings of the 2nd Workshop on Trustworthy Self-Organizing Systems (TSOS 2011)

The Trust-Enabling Middleware: Introduction and Application
Rolf Kiefhaber, Florian Siefert, Gerrit Anders, Theo Ungerer, Wolfgang Reif
Universitätsbibliothek der Universität Augsburg, Technical Report
Reference: 2011-10

2010

Trust Measurement Methods in Organic Computing Systems by Direct Observation
Rolf Kiefhaber, Benjamin Satzger, Julia Schmitt, Michael Roth, Theo Ungerer
8th International Conference on Embedded and Ubiquitous Computing (EUC 2010)

Trustworthy Organic Computing Systems: Challenges and Perspectives
Jan-Philipp Steghöfer, Rolf Kiefhaber, Karin Leichtenstern, Yvonne Bernard, Lukas Klejnowski, Wolfgang Reif, Theo Ungerer, Elisabeth André, Jörg Hähner, and Christian Müller-Schloer
Proceedings of the 7th International Conference on Autonomic and Trusted Computing (ATC 2010)

DOI:  Springer LNCS Trustworthy Organic Computing Systems: Challenges and Perspectives, pages 62-76

The Delayed Ack Method to Measure Trust in Organic Computing Systems
Rolf Kiefhaber, Benjamin Satzger, Julia Schmitt, Michael Roth, Theo Ungerer
Trustworthy Self-Organizing Systems (TSOS) - Workshop at the Fourth IEEE International Conference on Self-Adaptive and Self-Organizing Systems (SASO) 2010