A. Pretschner, J. Rueesch, C. Schaefer, T. Walter. Formal Analyses of Usage Control Policies, Conference Paper, ARES Conference - The International Dependability Conference, March 2009. Copyright © 2009 IEEE

J. Koolwaaij, M. Wibbels, S. Boehm, M. Luther. ContextKing - Virtual Kingdoms in Real Life, Conference Paper, IEEE International Conference in Games and Virtual Worlds for Serious Appl., March 2009.

M. Luther, T. Liebig, S. Boehm, O. Noppens. Who the Heck is the Father of Bob?, Conference Paper, European Semantic Web Conference, May 2009. Copyright © 2009 Springer Verlag

F. Alt, A. Schmidt, R. Atterer, P. Holleis. Bringing Web 2.0 to the Old Web: A Platform for Parasitic Applications, Conference Paper, INTERACT 2009, August 2009. Copyright © 2009 Springer Verlag

R. Strackx, F. Piessens, Y. Younan, S. Lachmund, P. Philippaerts, T. Walter. Breaking the memory secrecy assumption, Conference Paper, EUROSEC - European Workshop on System Security, March 2009.

M. Luther, S. Boehm. Situation-Aware Mobility – An Application of Stream Reasoning, Conference Paper, 1st International Workshop on Stream Reasoning at ESWC'09, May 2009. Copyright © 2009 Springer Verlag

S. Lachmund. Java Security Architecture (JSA) - An Overview, Presentation Slides, Munich University of Applied Sciences, April 2009.

K. Seewoonauth, E. Rukzio, R. Hardy, P. Holleis. NFC-based Mobile Interactions with Direct-View Displays, Conference Paper, INTERACT'09, August 2009. Copyright © 2009 Springer Verlag

K. Seewoonauth, E. Rukzio, R. Hardy, P. Holleis. Touch & Connect and Touch & Select: Interacting with a Computer by Touching it with a Mobile Phone, Conference Paper, MobileHCI'09, September 2009. 2009 © Copyright ACM

A. S. Shirazi, F. Alt, A. Schmidt, A. H. Sarjanoja, L. Hynninen, J. Haekkilae, P. Holleis. Emotion Sharing via Self-composed Melodies on Mobile Phones, Conference Paper, MobileHCI'09, September 2009. 2009 © Copyright ACM

M. Bloeckner, S. Danti, J. Forrai, G. Broll, A. De Luca. Please Touch the Exhibits! Using NFC-based Interaction for Exploring a Museum, Conference Paper, MobileHCI 2009, September 2009. 2009 © Copyright ACM

A. Messna, J. Buettgen, E. Rademacher, G. Broll, A. De Luca. Mobile Interaction with an NFC-based Billboard, Conference Paper, MobileHCI 2009 (Future Innocation Track), September 2009.

G. Broll, S. Keck, P. Holleis, A. Butz. Improving the Usability of NFC/RFID-based Mobile Interaction through Learnability and Guidance, Conference Paper, MobileHCI 2009, September 2009. 2009 © Copyright ACM

C. Schaefer, T. Walter, M. Harvan, A. Pretschner. Usage Control Policy Enforcement in OpenOffice.org and Information Flow, Conference Paper, Information Security South Africa, July 2009. Copyright © 2009 ISSA

M. Wessel, M. Luther, R. Möller. What Happened to Bob? Semantic Data Mining of Context Histories, Conference Paper, International Workshop on Description Logics (DL'09), July 2009.