TY - CHAP A1 - Ortmann, Steffen T1 - Definition and Configuration of Reliable Event Detection for Heterogeneous WSN Y1 - 2010 ER - TY - CHAP A1 - Ortmann, Steffen A1 - Langendörfer, Peter T1 - Enhancing Reliability of Sensor Networks by Fine Tuning Their Event Observation Behavior Y1 - 2008 ER - TY - CHAP A1 - Maaser, Michael A1 - Ortmann, Steffen T1 - Providing Granted Rights with Anonymous Certificates Y1 - 2008 ER - TY - CHAP A1 - Maaser, Michael A1 - Ortmann, Steffen A1 - Langendörfer, Peter T1 - The Privacy Advocate (PrivAd): A Framework for Negotiating Individualized Privacy Contracts Y1 - 2007 ER - TY - CHAP A1 - Ortmann, Steffen A1 - Langendörfer, Peter T1 - A Telemedicine System for Improved Rehabilitation of Stroke Patients Y1 - 2011 ER - TY - CHAP A1 - Ortmann, Steffen A1 - Langendörfer, Peter T1 - The Impact of Social Networks on User Privacy - What Social Networks Really Learn about their Users Y1 - 2011 ER -