@misc{OrtmannMaaserLangendoerfer, author = {Ortmann, Steffen and Maaser, Michael and Langend{\"o}rfer, Peter}, title = {Self-Adapting Event Configuration in Ubiquitous Wireless Sensor Networks}, language = {en} } @misc{OrtmannMaaserParandianetal., author = {Ortmann, Steffen and Maaser, Michael and Parandian, Baback and Schulz, Martin}, title = {Telemedizinisch assistierte ambulante Betreuung von Patienten}, language = {de} } @misc{OrtmannMaaserLangendoerfer, author = {Ortmann, Steffen and Maaser, Michael and Langend{\"o}rfer, Peter}, title = {Adaptive Pruning of Event Decision Trees for Energy Efficient Collaboration in Event Driven WSN}, language = {en} } @inproceedings{OrtmannLangendoerfer, author = {Ortmann, Steffen and Langend{\"o}rfer, Peter}, title = {Enhancing Reliability of Sensor Networks by Fine Tuning Their Event Observation Behavior}, language = {en} } @inproceedings{MaaserOrtmann, author = {Maaser, Michael and Ortmann, Steffen}, title = {Providing Granted Rights with Anonymous Certificates}, language = {en} } @article{OrtmannLangendoerferMaaser, author = {Ortmann, Steffen and Langend{\"o}rfer, Peter and Maaser, Michael}, title = {Adaptive Pervasive Systems to Multiuser Privacy Requirements}, language = {en} } @incollection{MaaserOrtmannLangendoerfer, author = {Maaser, Michael and Ortmann, Steffen and Langend{\"o}rfer, Peter}, title = {The Privacy Advocate: Assertion of Privacy by Personalised Contracts}, language = {en} } @misc{MaaserOrtmannLangendoerfer, author = {Maaser, Michael and Ortmann, Steffen and Langend{\"o}rfer, Peter}, title = {NEPP: Negotiation Enhancements for Privacy Policies}, language = {en} } @misc{OrtmannLangendoerferMaaser, author = {Ortmann, Steffen and Langend{\"o}rfer, Peter and Maaser, Michael}, title = {A Self-Configuring Privacy Management Architecture for Pervasive Systems}, language = {en} } @inproceedings{MaaserOrtmannLangendoerfer, author = {Maaser, Michael and Ortmann, Steffen and Langend{\"o}rfer, Peter}, title = {The Privacy Advocate (PrivAd): A Framework for Negotiating Individualized Privacy Contracts}, language = {en} } @misc{OrtmannLangendoerferMaaser, author = {Ortmann, Steffen and Langend{\"o}rfer, Peter and Maaser, Michael}, title = {Enhancing Privacy by Applying Information Flow Modelling in Pervasive Systems}, language = {en} } @techreport{OrtmannMaaserMaye, author = {Ortmann, Steffen and Maaser, Michael and Maye, Oliver}, title = {Spezifikation der Middleware Architektur}, language = {de} } @techreport{WoloszOrtmann, author = {Wolosz, K. and Ortmann, Steffen}, title = {Implementation of an Adapter Board and Hardware Drivers for Connecting a Wireless Sensor Node to a Common Body Scale}, language = {en} } @phdthesis{Ortmann, author = {Ortmann, Steffen}, title = {Definition and configuration of reliable event detection for application in wireless sensor networks}, publisher = {Shaker}, address = {Aachen}, isbn = {978-3-832-29445-8}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-19602}, pages = {196}, language = {en} } @book{Ortmann, author = {Ortmann, Steffen}, title = {Entwicklung eines Informationsfluss-Modells f{\"u}r ubiquit{\"a}re Systeme}, publisher = {Saarbr{\"u}cken : VDM-Verl. M{\"u}ller}, isbn = {978-3-639-36824-6}, language = {de} }