Lau, Sian Lun, Xu, Yaqian and David, Klaus. "Novel Indoor Localisation using an Unsupervised Wi-Fi Signal Clustering Method." Paper presented at the meeting of the Future Network and Mobile Summit 2011, Warsaw, Poland, 2011.

Voigtmann, Christian, Lau, Sian Lun and David, Klaus. "An Approach to Collaborative Context Prediction." Paper presented at the meeting of the 2011 IEEE International Conference on Pervasive Computing and Communications Workshops (PERCOM Workshops), Seattle, USA., 2011.

David, Klaus Enabler heutiger und zukünftiger mobiler Netze und Anwendungen. iTEC2008 , Darmstadt (2008). .

David, Klaus Mobile Anwendungen und Dienste – Visionen, Herausforderungen und Einsatzmöglichkeiten. Hessen IT Kongress 2008 , Berlin (2008). .

Kusber, Rico, Haseloff, Sandra and David, Klaus. "Towards Autonomic Deployment Decision Making." Paper presented at the meeting of the Proceedings of the IADIS Multi Conference on Computer Science and Information Systems - Intelligent Systems and Agents, Amsterdam, 2008.

Countand, Olivier, Haseloff, Sandra and David, Klaus. "Dealing with Application-Specific Knowledge in Context-Aware Systems." Paper presented at the meeting of the Proceedings of the 15. GI/ITG-Fachtagung Kommunikation in Verteilten Systemen (KiVS 2007), Workshop "Selbstorganisierende, Adaptive, Kontextsensitive verteilte Systeme (SAKS 07), Bern, Switzerland, 2007.

Lau, Sian Lun, Millerat, Jean, Sutterer, Michael, Brgulja, Nermin, Coutand, Olivier, Droegehorn, Olaf and David, Klaus. "Integrating Expert Knowledge into Context Reasoning in Context-aware Environment." Paper presented at the meeting of the Proceedings of the 7th International Workshop on Applications and Services in Wireless Networks, (ASWN 2007), Santander, Spain, 2007.

Loeffler, Tino, Haseloff, Sandra and David, Klaus. "Sensor Selection in Context-Aware Systems." Paper presented at the meeting of the Proceedings of the 3rd Workshop on Context Awareness for Proactive Systems CAPS07, Guildford, 2007.

Sigg, Stephan, Lau, Sian Lun, Haseloff, Sandra and David, Klaus. "Approaching a Definition of Context Prediction." Paper presented at the meeting of the Proceedings of the 3rd Workshop on Context Awareness for Proactive Systems CAPS07, Guildford, 2007.

Sigg, Stephan, Haseloff, Sandra and David, Klaus. "Prediction of Context Time Series." Paper presented at the meeting of the Proceedings of the 5th Workshop on Applications of Wireless Communications (WAWC'07), Lappeenranta, Finland, 2007.

Sutterer, Michael, Droegehorn, Olaf and David, Klaus. "Making a case for situation-dependent user profiles in context-aware environments." Paper presented at the meeting of the MNCNA '07: Proceedings of the 2007 Workshop on Middleware for next-generation converged networks and applications, New York, NY, USA, 2007.

Coutand, Olivier, Haseloff, Sandra, Lau, Sian Lun and David, Klaus. "A CBR Approach for Personalizing Location-aware Services." Paper presented at the meeting of the CACOA, 2006.

Coutand, Olivier, Lau, Sian Lun, Haensel, Robert, Droegehorn, Olaf and David, Klaus. "Interpreting Group Context for Personalized Mobile Services." Paper presented at the meeting of the 15. IST Mobile & Wireless Communications Summit, Mykonos, 2006.

David, Klaus and Droegehorn, Olaf. "Design Principles and Requirements of Future Service Platforms." Wireless Communication Systems, 2006. ISWCS '06. 3rd International Symposium on (2006): 164-168.

Sigg, Stephan, Haseloff, Sandra and David, Klaus. "A novel approach to context prediction in ubicomp environments." Paper presented at the meeting of the Proceedings of the 17th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2006), Helsinki, Finland, 2006.

Wuest, Bjoern, Lau, Sian Lun, Droegehorn, Olaf and David, Klaus. "Proxy pattern and publish/subscribe: An incompatible combination?." Paper presented at the meeting of the Proceedings of the 12th European Wireless Conference: Enabling Technologies for Wireless Multimedia Communications (EW 2006), Athens, 2006.

Coutand, Olivier, Droegehorn, Olaf, David, Klaus, Nurmi, Petteri, Floreen, Patrik, Kernchen, Ralf, Holtmanns, Silke, Campadello, Stefano, Kanter, Theo, Martin, Miquel, van Eijk, Ronald and Guarneri, Renate. "Context-aware Group Management in Mobile Environments." Paper presented at the meeting of the IST Summit 2005, Dresden, 2005.

Wuest, Bjoern, Drögehorn, Olaf and David, Klaus. "Applying Profile Views to Bridge Between Different Personalisation
Architectures." Paper presented at the meeting of the GI Jahrestagung (2), 2005.

Wuest, Bjoern, Drögehorn, Olaf and David, Klaus. "Framework for Platforms in ubiquituous computing systems." Paper presented at the meeting of the IEEE PIMRC 2005, 2005.

Wuest, Bjoern, Drögehorn, Olaf and David, Klaus. "Service Discovery API for Pervasive Computing." Paper presented at the meeting of the International Conference on Internet Computing, 2005.