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Current Research Focus
- Knowledge Representation and Reasoning (using Semantic Web Technologies like RDF, RDFS, SKOS, OWL, SWRL, etc.)
- Neuro-symbolic AI (combining symbolic and subsymbolic AI)
- Reasoning and Learning on Knowledge Graphs
- Knowledge-driven Machine Learning
- Dynamic and Autonomous Digital Twins
Past Research Areas
Internet of Things and Services
- Network Architecture and Protocols
- M2M and Machine Type Communication (3G/LTE, WiFi, ZigBee, etc.)
- Cloud Computing and Big Data Processing
- Self-organization and -optimization, extensibility, openness
- Security and Privacy
Mobile Networks
- 4G/5G Mobile Networks
- (Distributed) Mobility Management (IP-based)
- Small Cell Networks (incl. Femtocells)
- User Plane Congestion Management
- Application-aware traffic engineering/optimization
- LTE SON (self-organizing & -optimizing networks)
- Mobile Backhaul (Transport SON, dynamic resource management)
- Content distribution and delivery enhancements
Cloud Networking
- Network Function Virtualization (virtualized EPC and Cloud RAN)
- Dynamic resource scaling (resource elasticity)
- Function/VM migration (improved resilience)
- End-to-end cloud resource control and optimization
- Smart network function placement
Software Defined Networking
- OpenFlow in Carrier Networks
- Centralized network control and network abstraction
- Northbound interface (new network control paradigm)
- Programmable Networks (Ph.D. Thesis)
