Kai Häussermann and Christoph Hubig and Paul Levi and Frank Leymann and Oliver Siemoneit and Matthias Wieland and Oliver Zweigle, Understanding and Designing Situation-Aware Mobile and Ubiquitous Computing Systems. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2010, vol. 39(3). 562 - 571 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/6493.