Klein, Niklas and David, Klaus. Basic Approach of Timing in Context Aware Architectures verified by concrete Advantages. Proceedings of The 10th Annual International Symposium on Applications and the Internet. Year 2010.

Klein, Niklas and Sigg, Stephan and David, Klaus and Beigl, Michael. DAG Based Context Reasoning: Optimised DAG Creation. Proceedings of Workshop on Context-Systems Design, Evaluation and Optimisation. ARCS 2010 - Architecture of Computing Systems. Hannover, Germany, Year 2010.

Klein, Niklas and David, Klaus. Time Locality: A Novel Parameter for Quality of Context. Proceedings of Seventh International Conference on Networked Sensing Systems. Year 2010.

Lau, Sian Lun and Klein, Niklas and Pirali, Andreas and Droegehorn, Olaf and David, Klaus. Evaluation of the Technology Agnostic Service Creation Approach. Selbstorganiserende, adaptive, kontextsensitive verteilte Systeme 2010 (SAKS2010). (27) Electronic Communications of the EASST, Year 2010.

Pirali, Andreas and Klein, Niklas and Lau, Sian Lun and David, Klaus. The context sensitive shopping list. Proceedings of Multikonferenz Wirtschaftsinformatik (MKWI 2010). 987-997, Göttingen, Germany, Year 2010.

Lau, Sian Lun and Klein, Niklas and Pirali, Andreas and König, Immanuel and David, Klaus. Implementation of a User-Centric Context-Aware Playground. Workshops der Wissenschaftlichen Konferenz Kommunikation in Verteilten Systemen 2009 (WowKiVS 2009). (17) Electronic Communications of the EASST, Year 2009.

Droegehorn, Olaf and Lau, Sian Lun and Klein, Niklas and Koenig, Immanuel and Porras, Jari. Service creation for end-users. In Personal, Indoor and Mobile Radio Communications, 2008. PIMRC 2008. IEEE 19th International Symposium on, 1-5, Year 2008.

Klein, Bernd Niklas and Lau, Sian Lun and Pirali, Andreas and Löffler, Tino and David, Klaus. DAGR - DAG Based Context Reasoning: An Architecture for Context Aware Applications. ASWN '08: Proceedings of the 2008 Eighth International Workshop on Applications and Services in Wireless Networks. 20--25, IEEE Computer Society, Washington, DC, USA, Year 2008.

Lau, Sian Lun and Klein, Niklas and Pirali, Andreas and Koenig, Immanuel and Droegehorn, Olaf and David, Klaus. Making Service Creation for (Almost) Everyone. ICT-Mobile Summit 2008. Stockholm, Year 2008.

Böttcher, Stefan and Steinmetz, Rita and Klein, Niklas. XML index compression by DTD subtraction. ICEIS (1). editor(s) Cardoso, Jorge and Cordeiro, José and Filipe, Joaquim. 86-94, Year 2007.

Klein, Niklas and Groppe, Sven and Böttcher, Stefan and Gruenwald, Le. A Prototype for Translating XQuery Expressions into XSLT Stylesheets. ADBIS. editor(s) Eder, Johann and Haav, Hele-Mai and Kalja, Ahto and Penjam, Jaan. Lecture Notes in Computer Science, (3631) 238-253, Springer, Year 2005.