Marten Fischer, Daniel Kümper, Ralf Tönjes, Towards improving the Privacy in the MQTT Protocol, Workshop on Internet of Things Security and Privacy (WISP), Global IoT Summit (GIoTS), 2019
URL: https://ieeexplore.ieee.org/document/8766366

Ghafoor, S., & Toenjes, R. (2019, May). Architectural Challenges for Multi-mode Small Cells for Indoor Coverage. In Mobile Communication-Technologies and Applications; 24. ITG-Symposium (pp. 1-6). VDE.

Fischer Marten, Alfred Scheerhorn, and Ralf Tönjes. Using Attribute-Based Encryption on IoT Devices with instant Key Revocation. 2019 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops). IEEE, 2019

Kraatz, Franz; Tapken, Heiko; Nordemann, Frank; Iggena, Thorben; Fruhner, Maik; Tönjes, Ralf: An Integrated Data Platform for Agricultural Data Analyses based on Agricultural ISOBUS and ISOXML. In: Proceedings of the 4th International Conference on Internet of Things, Big Data and Security. Heraklion, Crete, Greece, 5/2/2019, SCITEPRESS - Science and Technology Publications, S. 422–429.

Fruhner, Maik; Iggena, Thorben; Kraatz, Franz; Nordemann, Frank; Tapken, Heiko; Tönjes, Ralf: OPeRAte: An IoT Approach towards Collaborative, Manufacturer-independent Farming 4.0. In: Proceedings of the 4th International Conference on Internet of Things, Big Data and Security. Heraklion, Crete, Greece, 5/2/2019, SCITEPRESS - Science and Technology Publications, S. 165–176.

Hinck, S., Nordemann, F., Kraatz, F., Iggena, T., Tönjes, R., Tapken, H., Kümper, D. (2019): User-oriented, Web-based GIS Application for Liquid Manure Fertilisation. 12th European Conference on Precision Agriculture, Book of Posters, pp 96-97, 2019, ISBN: 978-2-900792-49-0.