K. Seyerlehner, G. Widmer, and P. Knees. Adaptive Multimedia Retrieval, volume 6817 of Lecture Notes in Computer Science, page 118-131. Springer, (2010)
P. Knees, T. Pohle, M. Schedl, and G. Widmer. Proc. of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 447--454. New York, NY, USA, ACM Press, (2007)
G. Dietl, M. Sciora, G. Zeitler, G. Bauch, and J. Widmer. Proceedings of the 2011 IEEE 74th Vehicular Technology Conference, VTC 2011-Fall, San Francisco, California, USA, (September 2011)