This book constitutes the thoroughly refereed post-conference proceedings of the 9th
International ICST Conference on Mobile and Ubiquitous Systems: Computing Networking and
Services MobiQuitous 2012 held in Beijing China Denmark in December 2012. The revised full
papers presented were carefully reviewed and selected from numerous submissions. They cover a
wide range of topics such as localization and tracking search and discovery classification
and profiling context awareness and architecture location and activity recognition. The
proceedings also include papers from the best paper session and the industry track as well as
poster and demo papers.
