| 2009 | 
| 6 | EE | Manfred Broy,
Christian Leuxner,
Wassiou Sitou,
Bernd Spanfelner,
Sebastian Winter:
Formalizing the notion of adaptive system behavior.
SAC 2009: 1029-1033 | 
| 2007 | 
| 5 | EE | Wassiou Sitou,
Bernd Spanfelner:
Towards Requirements Engineering for Context Adaptive Systems.
COMPSAC (2) 2007: 593-600 | 
| 4 |   | Ingo Brunkhorst,
Daniel Krause,
Wassiou Sitou:
15th Workshop on Adaptivity and User Modeling in Interactive Systems.
LWA 2007: 342 | 
| 3 | EE | Michael Fahrmair,
Wassiou Sitou,
Bernd Spanfelner:
Privacy Management for Context Transponders.
SAINT Workshops 2007: 14 | 
| 2006 | 
| 2 | EE | Michael Fahrmair,
Bernd Spanfelner,
Wassiou Sitou:
Unwanted Behavior and its Impact on Adaptive Systems in Ubiquitous Computing.
LWA 2006: 36-41 | 
| 2005 | 
| 1 | EE | Michael Fahrmair,
Wassiou Sitou,
Bernd Spanfelner:
An Engineering Approach to Adaptation and Calibration.
MRC 2005: 134-147 |