SangKwon Moon JaeSub Kim Daeyeon Park USD Protocol: Ubiquitous Service Discovery Protocol on Infrastructure-based architecture for Ubiquitous Fashionable Computer. 779-784 2007 conf/mue/2007 MUE http://doi.ieeecomputersociety.org/10.1109/MUE.2007.213 db/conf/mue/mue2007.html#MoonKP07