A self-configuring privacy management architecture for pervasive systems. - Steffen Ortmann; Peter Langendörfer; Michael Maaser (MOBIWAC, 2007)

Enhancing Privacy by Applying Information Flow Modelling in Pervasive Systems. - Steffen Ortmann; Peter Langendörfer; Michael Maaser (OTM Workshops (2), 2007)

The Privacy Advocate: Assertion of Privacy by Personalised Contracts. - Michael Maaser; Steffen Ortmann; Peter Langendörfer (WEBIST (Selected Papers), 2007)

The Privacy Advocate (PrivAd) - A Framework for Negotiating Individual Privacy Contracts. - Michael Maaser; Steffen Ortmann; Peter Langendörfer (WEBIST (1), 2007)

Providing granted rights with anonymous certificates. - Michael Maaser; Steffen Ortmann (ICECS, 2008)

Enhancing reliability of sensor networks by fine tuning their event observation behavior. - Steffen Ortmann; Peter Langendörfer (WOWMOM, 2008)

Adapting pervasive systems to multiuser privacy requirements. - Steffen Ortmann; Peter Langendörfer; Michael Maaser (Int. J. Ad Hoc Ubiquitous Comput., 2008)

Adaptive pruning of event decision trees for energy efficient collaboration in event-driven WSN. - Steffen Ortmann; Michael Maaser; Peter Langendörfer (MobiQuitous, 2009)

Definition and configuration of reliable event detection for heterogeneous WSN. - Steffen Ortmann (PerCom Workshops, 2010)

Self-Adapting Event Configuration in Ubiquitous Wireless Sensor Networks. - Steffen Ortmann; Michael Maaser; Peter Langendörfer (Int. J. Adapt. Resilient Auton. Syst., 2010)

Definition and configuration of reliable event detection for application in wireless sensor networks. - Steffen Ortmann (Shaker, 2010)

The Impact of Social Networks on user Privacy - What Social Networks Really Learn about Their Users! - Steffen Ortmann; Peter Langendörfer (WEBIST, 2011)

WiSec 2011 demo: demonstrating self-contained on-node counter measures for various jamming attacks in WSN. - Steffen Ortmann; Peter Langendörfer; Stephan Kornemann (ACM SIGMOBILE Mob. Comput. Commun. Rev., 2011)

A Telemedicine System for Improved Rehabilitation of Stroke Patients. - Steffen Ortmann; Peter Langendörfer (HEALTHINF, 2012)

On the sensor choice and data analysis for classification of elementary upper limb movements. - Dwaipayan Biswas; Andy Cranny; Ahmed Rahim; Nayaab Gupta; Nick R. Harris; Koushik Maharatna; Steffen Ortmann (BHI, 2014)

Telemedicine system for game-based rehabilitation of stroke patients in the FP7-"StrokeBack" project. - Emmanouela Vogiatzaki; Yannis Gravezas; Nikos Dalezios; Dwaipayan Biswas; Andy Cranny; Steffen Ortmann; Peter Langendörfer; Ilias Lamprinos; Gioula Giannakopoulou; Josy Achner; Jasmin Klemke; Holger Jost (EuCNC, 2014)

Recognition of Elementary Upper Limb Movements in an Activity of Daily Living Using Data from Wrist Mounted Accelerometers. - Dwaipayan Biswas; Andy Cranny; Nayaab Gupta; Koushik Maharatna; Steffen Ortmann (ICHI, 2014)

Enabling Wireless Sensor Nodes for Self-Contained Jamming Detection. - Stephan Kornemann; Steffen Ortmann; Peter Langendörfer; Alexandros G. Fragkiadakis (J. Cyber Secur. Mobil., 2014)

Detecting Elementary Arm Movements by Tracking Upper Limb Joint Angles With MARG Sensors. - Evangelos B. Mazomenos; Dwaipayan Biswas; Andy Cranny; Amal Rajan; Koushik Maharatna; Josy Achner; Jasmin Klemke; Michael Jobges; Steffen Ortmann; Peter Langendörfer (IEEE J. Biomed. Health Informatics, 2016)

Low-Complexity Framework for Movement Classification Using Body-Worn Sensors. - Dwaipayan Biswas; Koushik Maharatna; Goran Panic; Evangelos B. Mazomenos; Josy Achner; Jasmin Klemke; Michael Jöbges; Steffen Ortmann (IEEE Trans. Very Large Scale Integr. Syst., 2017)

Velocity modulation assistance for stroke rehabilitation based on EMG muscular condition. - Jenny C. Castiblanco; Maria V. Arteaga; Iván Fernando Mondragón; Steffen Ortmann; Catalina Alvarado-Rojas; Julián D. Colorado (BioRob, 2020)

Myoelectric pattern recognition of hand motions for stroke rehabilitation. - Jenny C. Castiblanco; Steffen Ortmann; Iván Fernando Mondragón; Catalina Alvarado-Rojas; Michael Jöbges; Julián Colorado (Biomed. Signal Process. Control., 2020)

Impact of Data Preparation in Freezing of Gait Detection Using Feature-Less Recurrent Neural Network. - Ali Haddadi Esfahani; Zoya Dyka; Steffen Ortmann; Peter Langendörfer (IEEE Access, 2021)

Improving classification results on a small medical dataset using a GAN; An outlook for dealing with rare disease datasets. - Julia Röglin; Katharina Ziegeler; Jana Kube; Franziska König; Kay-Geert Hermann; Steffen Ortmann (Frontiers Comput. Sci., 2022)

Classification of Epileptic Seizures by Simple Machine Learning Techniques: Application to Animals' Electroencephalography Signals. - Illia Pidvalnyi; Anna Kostenko; Oleksandr O. Sudakov; Dmytro Isaev; Oleksandr Maximyuk; Oleg Krishtal; Olena Iegorova; Ievgen Kabin; Zoya Dyka; Steffen Ortmann; Peter Langendörfer (IEEE Access, 2025)