Realistic Landscape Modelling with High Level of Detail. - Ralf Tönjes (ICIP (2), 1994)

Control of scene reconstruction using explicit knowledge. - Ralf Tönjes (WACV, 1996)

A Knowledge Based Approach to Automatic Image Registration. - Stefan Growe; Ralf Tönjes (ICIP (3), 1997)

3D Visualization and Exploration of Remote Sensing Data. - Peter Schulze; Stefan Growe; Ralf Tönjes (Computer Graphics International, 1998)

Knowledge based interpretation of aerial images using multiple sensors. - Ralf Tönjes; Claus-E. Liedtke (EUSIPCO, 1998)

Use of explicit knowledge and GIS data for the 3D evaluation of remote sensing images. - Stefan Growe; Ralf Tönjes (ICPR, 1998)

Wissensbasierte Interpretation und 3D-Rekonstruktion von Landschaftsszenen aus Luftbildern. - Ralf Tönjes (VDI-Verlag, 1999)

DRiVE-ing to the Internet: Dynamic Radio for IP Services in Vehicular Environments. - Lin Xu; Ralf Tönjes; Toni Paila; Wolfgang Hansmann; Matthias Frank 001; Markus Albrecht (LCN, 2000)

Wissensbasierte Interpretation und 3D-Rekonstruktion von Landschaftsszenen aus Luftbildern. - Ralf Tönjes (Künstliche Intell., 2001)

Convergence of cellular and broadcast networks from a multi-radio perspective. - Ralf Keller; Thorsten Lohmar; Ralf Tönjes; Jörn Thielecke (IEEE Wirel. Commun., 2001)

Convergence of Broadcast and New Telecom Networks. - Ralf Keller; Thorsten Lohmar; Ralf Tönjes; Jörn Thielecke (Wirel. Pers. Commun., 2001)

Radio access networks beyond 3G: a first comparison of architectures. - Marco Annoni; Robert E. Hancock; Toni Paila; Enrico Scarrone; Ralf Tönjes; Luca Dell'Uomo; Dave Wisely; Robert Mort (PIMRC, 2002)

Flow-control for multi-access systems. - Ralf Tönjes; Thorsten Lohmar; Marc Vorwerk; Ralf Keller (PIMRC, 2002)

Multi-Access in Future Generations. - Ralf Keller; Ralf Tönjes (Wirel. Pers. Commun., 2003)

Dynamic spectrum allocation in composite reconfigurable wireless networks. - Paul Leaves; Klaus Moessner; Rahim Tafazolli; David Grandblaise; Didier Bourse; Ralf Tönjes; Michele Breveglieri (IEEE Commun. Mag., 2004)

GSA: an architecture for optimising gateway selection in dynamic routing groups. - Michael Eyrich; Mikko Majanen; Eranga Perera; Ralf Toenjes; Roksana Boreli; Tim Leinmüller (PIMRC, 2005)

Advanced Multicast and Broadcast Content Distribution in Mobile Cellular Networks. - Michael Knappmeyer; Björn Ricks; Ralf Tönjes; Adel Al-Hezmi (GLOBECOM, 2007)

Enabling IMS with Multicast and Broadcast Capabilities. - Adel Al-Hezmi; Michael Knappmeyer; Björn Ricks; Filipe Cabral Pinto; Ralf Tönjes (PIMRC, 2007)

Adaptive Data Scheduling for Mobile Broadcast Carousel Services. - Michael Knappmeyer; Ralf Tönjes (VTC Spring, 2007)

Performance Evaluation of Topologies for Cooperative and Dynamic Resource Relaying. - Eike Steffen Reetz; Rainer Höckmann; Ralf Tönjes (EW, 2008)

Service Creation Environment for Business-to-Business Services. - Rolf Lasch; Björn Ricks; Ralf Tönjes (AINA Workshops, 2009)

A Context Provisioning Framework to Support Pervasive and Ubiquitous Applications. - Michael Knappmeyer; Nigel Baker; Saad Liaquat; Ralf Tönjes (EuroSSC, 2009)

TeamCom: A Service Creation Platform for Next Generation Networks. - Armin Lehmann; Thomas Eichelmann; Ulrich Trick; Rolf Lasch; Björn Ricks; Ralf Tönjes (ICIW, 2009)

Effect of Caching in a Broker Based Context Provisioning System. - Saad Liaquat Kiani; Michael Knappmeyer; Eike Steffen Reetz; Nigel Baker; Ralf Tönjes (EuroSSC, 2010)

Modular context processing and provisioning: prototype experiences. - Michael Knappmeyer; Ralf Tönjes; Saad Liaquat Kiani; Nigel Baker (CASEMANS@Ubicomp, 2010)

Context Source: A Smartphone Application for Serving Context to a Generic Context Provisioning System. - Michael Knappmeyer; Daniel Brettschneider; Saad Liaquat Kiani; Ralf Tönjes (ARCS Workshops, 2011)

Survey on Evaluation of Context Provisioning Middleware. - Michael Knappmeyer; Saad Liaquat Kiani; Nigel Baker; Ahsan Ikram; Ralf Tönjes (ARCS Workshops, 2011)

A new approach for automatic generation of tests for next generation network communication services. - Marten Fischer; Ralf Tönjes; Rolf Lasch (ETFA, 2011)

Performance evaluation of a generic driver for medical Bluetooth sensors. - Daniel Kümper; Ralf Tönjes (Future Network & Mobile Summit, 2011)

An artificial chemistry based framework for personal and social context aware smart spaces. - Ahsan Ikram; Nigel Baker; Michael Knappmeyer; Eike Steffen Reetz; Ralf Tönjes (IWCMC, 2011)

A Chemical Model to Enable Context Awareness. - Ahsan Ikram; Nigel Baker; Michael Knappmeyer; Ralf Tönjes (NTMS, 2011)

Remote configuration and deployment of sensor drivers for a medical bluetooth sensor gateway. - Daniel Kümper; Ralf Tönjes (WOWMOM, 2011)

Generating test data for black-box testing using genetic algorithms. - Marten Fischer; Ralf Tönjes (ETFA, 2012)

A test-driven approach for life cycle management of internet of things enabled services. - Ralf Tönjes; Eike Steffen Reetz; Klaus Moessner; Payam M. Barnaghi (Future Network & Mobile Summit, 2012)

Transparent and autonomous store-carry-forward communication in Delay Tolerant Networks (DTNs). - Frank Nordemann; Ralf Tönjes (ICNC, 2012)

Performance evaluation of a context provisioning middleware. - Eike Steffen Reetz; Michael Knappmeyer; Saad Liaquat Kiani; Nigel Baker; Ralf Tönjes (ICNC, 2012)

A Comprehensive Ontology for Knowledge Representation in the Internet of Things. - Wei Wang 042; Suparna De; Ralf Tönjes; Eike Steffen Reetz; Klaus Moessner (TrustCom, 2012)

How to Test IoT-based Services before Deploying them into Real World. - Eike Steffen Reetz; Daniel Kuemper; Klaus Moessner; Ralf Tönjes (EW, 2013)

Test-Enabled Architecture for IoT Service Creation and Provisioning. - Suparna De; François Carrez; Eike Steffen Reetz; Ralf Tönjes; Wei Wang 042 (Future Internet Assembly, 2013)

Test derivation for semantically described IoT services. - Daniel Kuemper; Eike Steffen Reetz; Ralf Tönjes (Future Network & Mobile Summit, 2013)

Test-Enhanced Life Cycle for Composed IoT-Based Services. - Daniel Kuemper; Eike Steffen Reetz; Daniel Hölker; Ralf Tönjes (EUNICE, 2013)

Survey of Context Provisioning Middleware. - Michael Knappmeyer; Saad Liaquat Kiani; Eike Steffen Reetz; Nigel Baker; Ralf Tönjes (IEEE Commun. Surv. Tutorials, 2013)

Performance simulation of a context provisioning middleware based on empirical measurements. - Eike Steffen Reetz; Michael Knappmeyer; Saad Liaquat Kiani; Ashiq Anjum; Nik Bessis; Ralf Tönjes (Simul. Model. Pract. Theory, 2013)

Knowledge-Based Spatial Reasoning for IoT-Enabled Smart City Applications. - Ralf Toenjes; Daniel Kuemper; Marten Fischer (DSDIS, 2015)

Anbindung von ISOBUS-Geräten an ein online Precision Farming System. - Franz Kraatz; Frank Nordemann; Ralf Tönjes (GIL Jahrestagung, 2015)

Privacy-friendly distributed algorithm for energy management in smart grids. - Daniel Brettschneider; Alfred Scheerhorn; Daniel Hölker; Peter Roer; Ralf Tönjes (NetSys, 2015)

Automated Testing of Context-Aware Applications. - Ralf Tönjes; Eike Steffen Reetz; Marten Fischer; Daniel Kuemper (VTC Fall, 2015)

Challenges for Quality of Data in Smart Cities. - Payam M. Barnaghi; María Bermúdez-Edo; Ralf Tönjes (ACM J. Data Inf. Qual., 2015)

Datensicherheit: Die nächste große Herausforderung in der modernen Landtechnik? - Franz Kraatz; Frank Nordemann; Ralf Tönjes (GIL Jahrestagung, 2016)

On Homomorphic Encryption for privacy-preserving distributed load adaption in smart grids. - Daniel Brettschneider; Daniel Hölker; Ralf Tönjes; Alfred Scheerhorn (ICC, 2016)

Monitoring data stream reliability in smart city environments. - Daniel Kuemper; Thorben Iggena; Marten Fischer; Ralf Toenjes; Elke Pulvermüller (WF-IoT, 2016)

CityPulse: Large Scale Data Analytics Framework for Smart Cities. - Dan Puiu; Payam M. Barnaghi; Ralf Toenjes; Daniel Kuemper; Muhammad Intizar Ali; Alessandra Mileo; Josiane Xavier Parreira; Marten Fischer; Sefki Kolozali; Nazli FarajiDavar; Feng Gao 003; Thorben Iggena; et al. (IEEE Access, 2016)

Cluster-based distributed algorithm for energy management in smart grids. - Daniel Brettschneider; Daniel Hölker; Peter Roer; Ralf Tönjes (Comput. Sci. Res. Dev., 2016)

Quality-functions for an uniform and comparable analysis of demand side management algorithms. - Daniel Hölker; Daniel Brettschneider; Marten Fischer; Ralf Tönjes; Peter Roer (Comput. Sci. Res. Dev., 2016)

An infrastructure-based interpolation and propagation approach for IoT data analytics. - Daniel Kümper; Ralf Tönjes; Elke Pulvermüller (ICIN, 2017)

Choosing communication technologies for distributed energy management in the smart grid. - Daniel Hölker; Daniel Brettschneider; Ralf Toenjes; Michael Sonnenschein (ISGT Europe, 2017)

Preserving privacy in Distributed Energy Management. - Daniel Brettschneider; Daniel Hölker; Alfred Scheerhorn; Ralf Tönjes (Comput. Sci. Res. Dev., 2017)

Darstellung digitaler Dienste und Informationen mittels Augmented Reality. - Franz Kraatz; Frank Nordemann; Thorben Iggena; Heiko Tapken; Ralf Tönjes (GIL Jahrestagung, 2018)

Modellierung, Ausführung und Steuerung von kooperativen Agrarprozessen mit BPMN und MQTT. - Frank Nordemann; Thorben Iggena; Franz Kraatz; Heiko Tapken; Ralf Tönjes (GIL Jahrestagung, 2018)

IoTCrawler: Browsing the Internet of Things. - Antonio F. Skarmeta; José Santa; Juan A. Martínez 001; Josiane Xavier Parreira; Payam M. Barnaghi; Shirin Enshaeifar; Michail J. Beliatis; Mirko A. Presser; Thorben Iggena; Marten Fischer; Ralf Tönjes; Martin Strohbach; et al. (GIoTS, 2018)

Valid.IoT: a framework for sensor data quality analysis and interpolation. - Daniel Kuemper; Thorben Iggena; Ralf Toenjes; Elke Pulvermüller (MMSys, 2018)

High Performance and Privacy for Distributed Energy Management: Introducing PrivADE+ and PPPM. - Daniel Brettschneider; Daniel Hölker; Ralf Tönjes (SMARTGREENS, 2018)

Towards improving the Privacy in the MQTT Protocol. - Marten Fischer; Daniel Kümper; Ralf Tönjes (GIoTS, 2019)

OPeRAte: An IoT Approach towards Collaborative, Manufacturer-independent Farming 4.0. - Maik Fruhner; Thorben Iggena; Franz Kraatz; Frank Nordemann; Heiko Tapken; Ralf Tönjes (IoTBDS, 2019)

An Integrated Data Platform for Agricultural Data Analyses based on Agricultural ISOBUS and ISOXML. - Franz Kraatz; Heiko Tapken; Frank Nordemann; Thorben Iggena; Maik Fruhner; Ralf Tönjes (IoTBDS, 2019)

Using Attribute-Based Encryption on IoT Devices with instant Key Revocation. - Marten Fischer; Alfred Scheerhorn; Ralf Tönjes (PerCom Workshops, 2019)

Observing the Pulse of a City: A Smart City Framework for Real-Time Discovery, Federation, and Aggregation of Data Streams. - Sefki Kolozali; María Bermúdez-Edo; Nazli FarajiDavar; Payam M. Barnaghi; Feng Gao 003; Muhammad Intizar Ali; Alessandra Mileo; Marten Fischer; Thorben Iggena; Daniel Kuemper; Ralf Tönjes (IEEE Internet Things J., 2019)

Graph-based Multi-Criteria Optimization for Business Processes. - Frank Nordemann; Ralf Tönjes; Elke Pulvermüller; Heiko Tapken (BMSD, 2020)

A Graph-based Approach for Process Robustness in Unreliable Communication Environments. - Frank Nordemann; Ralf Tönjes; Elke Pulvermüller; Heiko Tapken (ENASE, 2020)

Resilient Process Modeling and Execution Using Process Graphs. - Frank Nordemann; Ralf Tönjes; Elke Pulvermüller; Heiko Tapken (ENASE (Selected Papers), 2020)

Digitale Agrarprozesse für eine nachhaltige und verordnungskonforme Landwirtschaft am Beispiel einer kooperativen Flüssigmistausbringung. - Frank Nordemann; Thorben Iggena; Franz Kraatz; Maik Fruhner; Heiko Tapken; Ralf Tönjes (GIL Jahrestagung, 2020)

Virtual Sensor Creation to Replace Faulty Sensors Using Automated Machine Learning Techniques. - Eushay Bin Ilyas; Marten Fischer; Thorben Iggena; Ralf Tönjes (GIoTS, 2020)

What3Words Geo Encryption: An Alternative Approach to Location based Encryption. - Julian Dreyer; Ralf Tönjes (IoTBDS, 2020)

Quality of Information for IoT-Frameworks. - Thorben Iggena; Eushay Bin Ilyas; Ralf Tönjes (ISC2, 2020)

Resilient BPMN: Robust Process Modeling in Unreliable Communication Environments. - Frank Nordemann; Ralf Tönjes; Elke Pulvermüller (MODELSWARD, 2020)

Resilient Business Process Modeling and Execution Using BPMN and Microservices. - Frank Nordemann; Ralf Tönjes; Elke Pulvermüller; Heiko Tapken (MODELSWARD (Revised Selected Papers), 2020)

Analysis of methods for prioritizing critical data transmissions in agricultural vehicular networks. - Anas Bin Muslim; Frank Nordemann; Ralf Tönjes (WiMob, 2020)

Mit Highspeed auf das Feld - Ethernet auf Landmaschinen. - Frank Nordemann; Anas Bin Muslim; Ralf Tönjes (GIL Jahrestagung, 2021)

QCI Adaptive Load Balancing in Heterogeneous Wireless Networks of Indoor Environments. - Sarmad Ghafoor; Manuel Kerkmann; Ralf Tönjes (Q2SWinet, 2021)

NFC Key Exchange - A light-weight approach to authentic Public Key Exchange for IoT devices. - Julian Dreyer; Marten Fischer; Ralf Tönjes (WF-IoT, 2021)

IoTCrawler: Challenges and Solutions for Searching the Internet of Things. - Thorben Iggena; Eushay Bin Ilyas; Marten Fischer; Ralf Tönjes; Tarek Elsaleh; Roonak Rezvani; Narges Pourshahrokhi; Stefan Bischof 002; Andreas Fernbach; Josiane Xavier Parreira; Patrik Schneider; Pavel Smirnov 001; et al. (Sensors, 2021)

Modelling of Resource-Aware Information Flows for Resource Constraint IoT Devices. - Marten Fischer; Ralf Tönjes (GIOTS, 2022)

Towards securing Public-Key Storage using Hyperledger Fabric. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (ICBC, 2022)

Decentralizing loT Public- Key Storage using Distributed Ledger Technology. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (IWCMC, 2022)

Comparison of Distributed Tamper-Proof Storage Methods for Public Key Infrastructures. - Fabian Honecker; Julian Dreyer; Ralf Tönjes (Future Internet, 2022)

Kooperative Agrarprozesse resilient gestalten und dynamisch optimieren. - Frank Nordemann; Ralf Tönjes; Heiko Tapken; Lukas Hesse (GIL Jahrestagung, 2023)

ESPuF - Enabling SRAM PUFs on Commodity Hardware. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (ICSPCS, 2023)

Resource-aware Security Configuration for Constrained IoT Devices. - Marten Fischer; Ralf Tönjes (Q2SWinet, 2023)

Towards Generating True Random Numbers using Magnetoresistive RAM. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (WTS 2023, 2023)

Exponentially Long Transient Time to Synchronization of Coupled Chaotic Circle Maps in Dense Random Networks. - Hans Muller Mendonca; Ralf Tönjes; Tiago Pereira (Entropy, 2023)

Performance Comparison of Directed Acyclic Graph-Based Distributed Ledgers and Blockchain Platforms. - Felix Kahmann; Fabian Honecker; Julian Dreyer; Marten Fischer; Ralf Tönjes (Comput., 2023)

Data Link Layer Network Access Control using Physically Unclonable Functions. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (HPSR, 2024)

FE4MQTT - Using Functional Encryption to Improve the Privacy in Publish-Subscribe Communication Schemes. - Marten Fischer; Ralf Tönjes (CSR, 2025)

Technological Framework for a Secure and Resilient Food Supply Chain. - Marten Fischer; Ralf Tönjes; Rohit Bohara; Mirko Ross; Achyut Hegde; Christian Wressnegger; Matthias Brunner (CSR, 2025)

Nomadic 5G Network with Satellite Based Internet Connectivity for Agriculture. - Felix Kahmann; Ralf Tönjes; Lennart Schonebeck; Timo Kranz; Till Zimmermann; Dominic Laniewski; Harald Andreesen; Andreas Möller (WFCS, 2025)