ACM MobiWac (ACM International Symposium on Mobility Management and Wireless Access) 2006, 2007, 2008, Role: PC Member.
MSWiM (ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems) 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, Role: PC Member.
ADAPTIVE (International Conference on Adaptive and Self-Adaptive Systems and Applications) 2014, 2015, 2016, Role: PC Member.
AmI (European Conference on Ambient Intelligence) 2007, Role: Workshop-CoChair.
Annual Simulation Symposium (IEEE, ACM, SCS) 1995, 1996, 1999, 2000, 2001, 2002, Role: PC Member.
ANT (International Conference on Ambient Systems, Networks and Technologies) 2016, Role: PC Member.
ARCS (International Conference on Architecture of Computing Systems) 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, Role: PC Member.
Automotive UI (International Conference on Automotive User Interfaces and Interactive Vehicular Applications) 2009, 2010, 2011, 2012, 2013, 2014, Role: PC Member.
DAPI (International Conference on Distributed, Ambient and Pervasive Interactions) 2017, 2018, Role: Program Board
DS-RT (IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications) 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, Roles: PC Member, PC Chair (2008).
Euro-Par (European Conference on Parallel Computing) 2003, 2006, Roles: Local Chair, Topic Chair
EWSN (International Conference on Embedded Wireless Systems and Networks) 2022, Role General Co-Chair.
FET´11 (European Future Technologies Conference and Exhibition) 2011, Role: PC Member.
HC2 Summer School 2012, 2013, Role: PC Member.
HC2 Visons Workshop (Human-Computer Confluence Research Challenges) 2012, 2013, Role: Co-Organizer.
ICSNC’06 Conference on Systems and Networks Communications 2006, Role: PC Member.
IEA/AIE (International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems) 2013, 2015, Role: PC Member.
IEEE Int. WS on Distributed Simulation and Real Time Applications 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, Roles: PC Member, PC Chair (2008).
IoT 2017 (ACM International Conference on the Internet of Things) 2017, Roles: Conference Co-Chair.
ISWC (International Symposium on Wearable Computers) 2006, 2007, 2008, 2009, 2011, 2013, 2014, Roles: PC Member, Conference Co-Chair (2008).
IUI (Intelligent User Interfaces) 2006, 2007, 2009, Role: PC Member.
IWSOS (International Workshop on Self-Organizing Systems) 2013, Role: PC Member.
MASCOTS (IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems) 1998, 1999, 2000, 2001, 2002, Roles: PC Member, PC Chair (1999).
Next Generation JKU (Lecture Series of the Faculty of Engineering and Natural Sciences in cooperation with Ars Electronica Center Linz) 2017, Roles: Initiator and Organizer.
PADS (Workshop on Parallel and Distributed Simulation) 1998, 1999, 2000, 2001, 2002, Roles: PC Member, PC Chair (1999).
PerComp, Int. WS on Intelligent Environments, ICMB (International Conference on Mobile Business) 2005, 2006, Role: PC Member.
PerDis’16 2016, Role: PC Member.
PERVASIVE (International Conference on Pervasive Computing) 2004, 2005, 2006, 2007, 2008, Roles: PC Member, Program Chair (2004).
Raising Attention Round Table (National Mobilization Events) 2014, Role: Co-Organizer of two events.
SASO (IEEE International Conference on Self-Adaptive and Self-Organizing Systems) 2014, 2015, Role: PC Member.
UbiComp (ACM International Joint Conference on Pervasive and Ubiquitous Computing) 2003, 2006, 2007, 2013, 2014, 2015, 2016, Roles: PC Member, Workshop Organizer (2014, 2015, 2016).
WETICE (International IEEE Workshops on Enabling Technologies) 2000, 2007, Role: Workshop CoChair.