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Ubiquitous Computing


The Ubiquitous Computing paradigm describes a world in which electronic devices are not only unobtrusively embedded within the human’s environment but also in which electronic devices are interacting with each other to support humans in their daily life. Hence, Ubiquitous Computing deals with a wide range of research topics related to Pervasive Computing, Wearable Computing, Ambient Intelligence, Intelligent Environments, Automotive Computing and Smart Homes. Thereby, the context- and location-awareness of Ubiquitous Computing systems are the key enablers for many application scenarios such as carsharing, navigation systems, location-based marketing, home automation or context-aware services in general. The Ubiquitous Computing field is highly dependent on the underlying wireless communication technologies such as 5G networks, WLAN, Bluetooth, NFC etc., and many research questions deal with the optimization of protocols and algorithms that are applied over these wireless communication networks. 

Our research related to Ubiquitous Computing focuses on developing context-aware middlewares for smart mobile devices like smartphones, wearables or tablets. Our work encompasses the design and development of proactive context or location-based service infrastructures for indoor and outdoor environments as well the investigation of new methods for the datafication of mobile data. By enhancing context-aware systems with latest spatiotemporal data analytics techniques, we envision intelligent environments which are able to autonomically learn typical behavior patterns and adapt mobile applications according to situational needs. These self-adaptive systems come along with several interesting research challenges like automatic data processing and analysis, energy-efficient context-awareness and profile-based adaptation of mobile devices, which are all addressed within our research group.


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.

Zickau, S. and Beierle, F. and Denisow, I. (2015). Securing Mobile Cloud Data with Personalized Attribute-based Meta Information. Proceedings of the 3rd IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (Mobile Cloud 2015). IEEE, 205-210.

Zickau, S. (2015). Semantic Location Information in Access Control Policy Models. Proceedings of the Location-based Applications and Services (LBAS 2015). IEEE.

Denisow, I. and Zickau, S. and Beierle, F. and Küpper, A. (2015). Dynamic Location Information in Attribute-based Encryption Schemes. Proceedings of the 9th International Conference on Next Generation Mobile Applications, Services and Technologies (NGMAST 2015). IEEE, 240-247.

Rodriguez Garzon, S. and Deva, B. and Pilz, G. and Medack, S. (2015). Infrastructure-assisted Geofencing: Proactive Location-based Services with Thin Mobile Clients and Smart Servers. Proceedings of the 2015 3rd IEEE International Conference on Mobile Cloud Computing, Services, and Engineering. IEEE Computer Society, 61-70.

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.

Zickau, S. and Thatmann, D. and Ermakova, T. and Repschläger, J. and 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). IEEE.

Uzun, A. and Salem, M. and Küpper, A. (2014). Exploiting Location Semantics for Realizing Cross-referencing Proactive Location-based Services. Proceedings of the IEEE 8th International Conference on Semantic Computing. IEEE Computer Society, 76-83.

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

Rodriguez Garzon, S. and Deva, B. (2014). Geofencing 2.0: Taking Location-based Notifications to the Next Level. Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing. ACM, 919–930.

Salem, M. and Schonowski, J. and and Küpper, A. (2013). Citizen-centric Smart Cities: M-Technology for realizing Smart Participatory Urban Sensing in E-Government. International Journal of Information Technology & Computer Science (IJITCS). IISRC, 82-92.

Salem, M. and Deva, B. (2013). 3rd Party Geolocation Messaging: A Positioning Enabler Middleware for Realizing Context-aware Polling. Proceedings of the 6th International Conference on Mobile Wireless Middleware, Operating Systems, and Applications. IEEE, 100-109.

Uzun, A. and Neidhardt, E. and Küpper, A. (2013). OpenMobileNetwork - A Platform for Providing Estimated Semantic Network Topology Data. International Journal of Business Data Communications and Networking (IJBDCN). IGI Global, 46-64.

Uzun, A. and Lehmann, L. and Geismar, T. and Küpper, A. (2013). Turning the OpenMobileNetwork into a Live Crowdsourcing Platform for Semantic Context-aware Services. Proceedings of the 9th International Conference on Semantic Systems. ACM, 89-96.

Graf, T. and Zickau, S. and Küpper, A. (2013). Enabling Location-based Services on Stationary Devices using Smartphone Capabilities. Mobile Web Information Systems. Springer, 49-63.

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