- Invited Talk at the 14th International Summer School on Telecommunications, Lappeenranta, Finland, “I-Centric Communication”, 3rd August, 2005,
- Invited Project Presentation at the 14th International Summer School on Telecommunications, Lappeenranta, Finland, “MobiLife, a Project Overview”, 3rd August, 2005
- Invited-Panel-Paper, O. Drögehorn, K. David, "An Architectural Approach for building Platforms is still needed", In proc. 7th International Symposium on Autonomous Decentralized Systems (ISADS 2005), Published by IEEE Society, ISBN 0-7803-8963-8, Chengdu, China, pp. 473-479 April 4 - 8, 2005
Invited Paper: K. David and O. Drögehorn, “Design Principles and Requirements of future Service Platforms”, 3rd INTERNATIONAL SYMPOSIUM ON WIRELESS COMMUNICATION SYSTEMS 2006 (ISWCS’06), 6 - 8 September 2006, Valencia, Spain
- Invited Paper: Klaus David, Olaf Drögehorn and Mika Klemettinen, "Solutions for a Service Architecture in pervasive environments based on WWRF WG2 Requirements", In Proceedings of the SAINT 2007 International Symposium on Applications and the Internet - Workshops, page 9, IEEE Computer Society, ISBN 0-7695-2757-4, Hiroshima, Japan, January 16, 2007
- Invited Keynote at the 5th Workshop on Applications of Wireless Communications (WAWC'07), “Service Creation”, Lappeenranta, Finnland, August 2007
- Invited Panel + Training session on "User centric Service Creation", on the User Generated Services Workshop (TSOA European projects Cluster), Madrid, Spain, 25th-26th of June 2008. http://netgroup.uniroma2.it/twiki/bin/view.cgi/EuTSOA/UgsWorkshop
- Invited Presentation " Diensterstellung durch Endbenutzer ", Workshop Service Engineering, Berlin, Germany, 30.9.2009; organized by the BmbF and Telekom-Laboratories
- Invited Plenary & Panel Presentation "Service Creation for the Next Generation Terminals", Future Network and Mobile Summit 2010, Florence, Italy. www.futurenetworksummit.eu/2010/
1. P. Herrmann, O. Drögehorn, H. Krumm, W. Geisselhardt; “Framework and Tool Support for Formal Verification of High Speed Transfer Protocol Designs”; Telecommunication Systems, Kluwer Academic Publisher, 20(2002)3-4, 291-310
2. O. Drögehorn, O. Terhorst, H.-D. Hümmer, W. Geisselhardt, „Formal Specification and Verification of Transfer-Protocols for system-design in VHDL”; Book Chapter in: Electronic Chips & System Design Languages (the very best of formal verification); ed. Jean Mermet (Research Director of CNRS, ECSI, France), ISBN 0-7923-7311-1, Kluwer Academic Publisher, pp. 295-306, 2001
3. S. Arbanowski, P. Ballon, K. David, O. Drögehorn, H. Eertink, W. Kellerer, H. van Kranenburg, K. Raatikainen, R. Popescu-Zeletin, "I-centric Communications: Personalization, Ambient Awareness, and Adaptability for Future Mobile Services", IEEE Communications Magazine, pp. 63-69, September 2004
4. O. Drögehorn, „Translating formal specifications into behavioural hardware descriptions“, Book from Dissertation, ISBN 3-89958-100-8, Kassel University Press, October 2004
5. O. Drögehorn, K. David, H.v.Kranenburg, J.de.Heer, S. Arbanowski, A.Busboom, K. Raatikainen, “Personalization for the Future Wireless World”, Book Chapter in: Technologies for the Wireless Future, ISBN 0-470-01235-8, pp. 113-138, Ed. Rahim Tafazolli, Wiley, 2005
6. O. Drögehorn, H.v.Kranenburg, K. Raatikainen (Nokia), et.al., "Generic Service Elements and Enabling Technologies", Book Chapter in: Technologies for the Wireless Future Vol. II, ISBN 0-470-02905-6, pp. 78-110, Ed. Rahim Tafazolli, Wiley, 2006
7. D. Bonnefoy, O. Drögehorn, R.Kernchen, contributed and edited Book Chapter on “Multimodality and Personalisation”, in: “Enabling Technologies for Mobile Services”, ISBN 978-0-470-51290-6, pp. 153-184, Ed. Mika Klemettinen, Wiley, 2007
8. O. Drögehorn, Henning Olesen, "Service Creation", Book Chapter in: “Technologies for the Wireless Future Vol. III”, ISBN 978-0-470-99387-3, pp. 80-117, Ed. Klaus David, Wiley, 2008
9. James Womack, Amardeo Sarma, O. Drögehorn, "IEEE VT Wireless World Research Forum Journal Series", IEEE Vehicular Technology Magazine, Volume 5 Number 1, ISSN 1556-6072, pp. 21-22, Ed. Charles Backof & James M. Irvine, IEEE, VTC Society, 2010
1. Proc. of the 8th International Conference on Internet Computing (IC’07); ed. Hamid R. Arabnia, Associated Ed. Azita Bahrami, Olaf Drögehorn, George A. Gravvanis, Sandra Haseloff, Jun Ni, Ashu M.G. Solo, Salim Zabir, LasVegas Nevada, USA, ISBN 1-60132-044-2, CSREA Press, 2007
2. Proc. of the 8th IEEE International Workshop on Applications and Services in Wireless Networks, ed. Klaus David, Olaf Drögehorn, Sandra Haseloff, Rico Kusber, Andreas Pirali, Kassel, Germany, ISBN 978-0-7695-3389-6, IEEE Computer Society, 2008
3. Guest Editor of "IEEE VT Wireless World Research Forum Journal Series", IEEE Vehicular Technology Magazine, Volume 5 Number 1, ISSN 1556-6072, pp. 21-22, Ed. Charles Backof & James M. Irvine, IEEE, VTC Society, 2010
O. Drögehorn, „Translating formal specifications into behavioural hardware descriptions“, Dissertation, Fachbereich Elektrotechnik / Informatik, Universitat Kassel, October 2004
1. Olaf Drögehorn, Immanuel Koenig, Mariano Belaunde, Goulven Le-June, Julien Cupillars, Ernö Kovacs, “Professional and End-User-Driven Service Creation in the SPICE platform”, In Proceedings of the IEEE WoWMoM, ISBN 978-1-4244-2100-8, Newport Beach, California, USA, June 2008
2. Olaf Drögehorn, Sian Lun Lau, Niklas Klein, Immanuel König, Jari Porras, “Service Creation for End-Users”, In Proceedings of the 19th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2008), ISBN 978-1-4244-2643-0, Cannes, France, September 2008
2. O. Drögehorn, B. Wuest, “Semantic based synchronisation of Profiles in a pervasive environment”, Proc. 12th International Conference on Internet Computing (IComp’11); ed. H.R. Arabnia, LasVegas Nevada, USA, July 2011
3. Olaf Drögehorn, “Service Optimizing background-communication of mobile devices and sensors to drive end-user services”, In Proceedings of the 22nd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2011), pp.61-65, Toronto, Canada, September 2011
1. Olaf Drögehorn, François Carrez , Klaus David, Heikki Helin, Stefan Arbanowski, Stefan Gessler, Kimmo Raatikainen, Herma Van Kranenburg, Sasu Tarkoma, Wolfgang Kellerer, “WhitePaper on Generic Service Elements and Enabling Middleware Technologies”, WWRF, 2005
2 .Olaf Drögehorn, Henning Olesen, Alberto Baravaglio, Anne Marte Hjemås, Babak Farshchian, Bernd Mrohs, Stefan Holtel, SianLun Lau, Andreas Pirali, Niklas Klein, Rune Roswall, Henrik Thuvesson, Karim Yaici, Amy Tan, Stefano Salsano, Noël Crespi, Emmanuel Bertin, Jari Porras “WhitePaper on Service Creation”, WWRF, 2007
