Ilhan, Ö. M. and Thatmann, D. and Küpper, A. (2015). A Performance Analysis of the XACML decision process and the Impact of Caching. Proceedings of the 11th Intl. Conference on Signal Image Technology & Internet Based Systems (SITIS 2015). IEEE.

Ermakova, T. and Fabian, B. and Kelkel, S. and Wolff, T. and Zarnekow, R. (2015). Antecedents of Health Information Privacy Concerns. Proceedings of the 5th International Conference on Current and Future Trends of Information and Communication Technologies in Healthcare (ICTH, Berlin, Germany)

Ermakova, T. (2015). Security and Acceptance of Cloud Computing in Healthcare. Doctoral Thesis, Technical University of Berlin

El-Sobhy, J. and Zickau, S. and Küpper, A. (2015). Proximity-based Services in Mobile Cloud Scenarios using Extended Communication Models. Proceedings of the 4th IEEE International Conference on Cloud Networking (IEEE CloudNet). IEEE.

Sharhan, S. and Zickau, S. (2015). Indoor Mapping for Location-based Policy Tooling using Bluetooth Low Energy Beacons. Proceedings of the 8th IEEE International Workshop on Selected Topics in Wireless and Mobile computing (STWiMob 2015). IEEE.

Ermakova, T., Fabian, B. and Babina, E. (2015). Readability of Privacy Policies of Healthcare Websites. 12th International Conference on Wirtschaftsinformatik.

Ermakova, T. (2015). Understanding Physicians‘ Adoption of Health Clouds. 4th International Conference on Information Technology Convergence and Services (ITCS 2015).


Thatmann, D., Schuster, E., Coskun, G. (2014). Mapping legal requirements to SLAs: an ontology-based approach for a cloud-based service consumption.  International Workshop on Semantic Web for the Law (SW4LAW 2014), Springer.

Thatmann, D. (2014). Distributed Authorization in Complex Multi-Entity Driven API Ecosystems.  8th International Conference on Signal Processing and Communication Systems (ICSPCS 2014), IEEE.

Raschke, P. , Zickau, S. (2014). A Template-Based Policy Generation Interface for RESTful Web Services. Proceedings of the On the Move to Meaningful Internet Systems Conferences and Workshops (OTM 2014, Amantea, IT), Springer, 137-153.

Zickau, S., Thatmann, D., Ermakova, T., Repschläger,J., Zarnekow, R. and Küpper, A. (2014). Enabling Location-based Policies in a Healthcare Cloud Computing Environment. Proceedings of the 3rd IEEE International Conference on Cloud Networking (IEEE CloudNet).

Slawik, M., Küpper, A. (2014). A Domain Specific Language and a Pertinent Business Vocabulary for Cloud Service Selection11th International Conference on Economics of Grids, Clouds, Systems, and Services (Gecon 2014, Cardiff, UK), Springer.

Hanner, N., Ermakova, T., Repschläger, J. and Zarnekow, R. (2014). Designing a Business Model for a Cloud Marketplace for Healthcare. Trusted Cloud Computing. Springer-Verlag (Accepted).

Zickau, S., Slawik, M., Thatmann, D., Uhlig, S., Iwailo, D., Küpper, A. (2014). TRESOR – Towards the Realization of a Trusted Cloud Ecosystem. Trusted Cloud Computing, Springer (Accepted).

Ermakova, T., Fabian, B. and Zarnekow, R. (2014). Acceptance of Health Clouds – A Privacy Calculus Perspective. Proceedings of the European Conference on Information Systems (ECIS, Tel Aviv, Israel).

Fabian, B., Ermakova, T. and Junghanns, P. (2014). Collaborative and Secure Sharing of Healthcare Data in Multi-Clouds. Information Systems.

Slawik, M. and Ermakova, T. and Repschläger, J. and Küpper, A. (2014). Securing Medical SaaS Solutions using a novel End-to-End Encryption Protocol. Proceedings of the 22nd European Conference on Information Systems. Association for Information Systems (AIS).


Slawik, M. (2013). The Trusted Cloud Transfer Protocol. Proceedings of the 5th Intl. Conference on Cloud Computing Technology and Science (CloudCom 2013). IEEE, 203-208.

Ermakova, T., Huenges, J., Erek, K., Zarnekow, R. (2013). Cloud Computing in Healthcare – A Literature Review on Current State of Research. Proceedings of the Americas Conference on Information Systems.

Ermakova, T., Fabian, B., Zarnekow, R. (2013). Security and Privacy System Requirements for Adopting Cloud Computing in Healthcare Data Sharing Scenarios. Proceedings of the Americas Conference on Information Systems.

Ermakova, T., Fabian, B. (2013). Secret Sharing for Health Data in Multi-Provider Clouds. Proceedings of the IEEE Conference on Business Informatics.

Ermakova, T., Preuße, S., Weimann, P., Zarnekow, R. (2013). Reduzierung von Schwachstellen in Prozessen der Krankenhauseinrichtungen durch cloud-basierte Lösungen am Beispiel der Patientenversorgung. Informatik 2012 – Workshop „Datenmanagement und Interoperabilität im Gesundheitswesen“ .

Ermakova, T., Zarnekow, R. (2013). Cloud Computing in Healthcare – An Exploratory Research towards Identification of Cloud Potentials. Submitted to International Conference on Information Systems.

Hanner, N., Ermakova, T., Repschläger, J., Zarnekow, R. (2013).  Designing a Business Model for a Cloud Marketplace for Healthcare. Wissenschaftliche Ergebnisse der Trusted Cloud Initiative, eingereicht

Thatmann, D. and Slawik, M. and Zickau, S. and Küpper, A. (2013). Deriving a Distributed Cloud Proxy Architecture for Managed Cloud Service Consumption.Proceedings of the 6th International Conference on Cloud Computing (CLOUD 2013). IEEE.


Thatmann, D. and Slawik, M. and Zickau, S. and Küpper, A. (2012). Towards a Federated Cloud Ecosystem: Enabling Managed Cloud Service Consumption.Economics of Grids, Clouds, Systems, and Services, GECON 2012. Springer, 223-233.

Zickau, S and Küpper, A (2012). Towards Location-based Services in a Cloud Computing Ecosystem. Ortsbezogene Anwendungen und Dienste – 9. Fachgespräch der GI/ITG-Fachgruppe Kommunikation und Verteilte Systeme. Universitätsverlag Chemnitz, 187-190.

Slawik, M. and Zickau, S. and Thatmann, D. and Repschläger, J. and Ermakova, T. and Küpper, A. and Zarnekow, R. (2012). Innovative Architektur für sicheres Cloud Computing: Beispiel eines Cloud-Ecosystems im Gesundheitswesen. Proceedings of the 42th Annual Conference of the Gesellschaft für Informatik e.V. (INFORMATIK 2012). Köllen Druck + Verlag GmbH, 1075-1082.