Klein, N. & David, K. (2010), Basic Approach of Timing in Context Aware Architectures verified by concrete Advantages, in 'Proceedings of The 10th Annual International Symposium on Applications and the Internet' .

Klein, N. & David, K. (2010), Time Locality: A Novel Parameter for Quality of Context, in 'Proceedings of Seventh International Conference on Networked Sensing Systems' .

Lau, S. L.; Klein, N.; Pirali, A.; Droegehorn, O. & David, K. (2010), Evaluation of the Technology Agnostic Service Creation Approach, in 'Selbstorganiserende, adaptive, kontextsensitive verteilte Systeme 2010 (SAKS2010)' , Electronic Communications of the EASST, .

Böttcher, S.; Steinmetz, R. & Klein, N. (2007), XML index compression by DTD subtraction, in Jorge Cardoso; José Cordeiro & Joaquim Filipe, ed., 'ICEIS (1)' , pp. 86-94 .

Klein, N.; Groppe, S.; Böttcher, S. & Gruenwald, L. (2005), A Prototype for Translating XQuery Expressions into XSLT Stylesheets, in Johann Eder; Hele-Mai Haav; Ahto Kalja & Jaan Penjam, ed., 'ADBIS' , Springer, , pp. 238-253 .