PT Unknown AU Berchtold, M Decker, C Riedel, T Zimmer, T Beigl, M TI Using a Context Quality Measure for Improving Smart Appliances SE 27th International Conference on Distributed Computing Systems Workshops (ICDCSW’07) PY 2007 BP 52 EP 57 DI 10.1109/icdcsw.2007.87 LA english PI Toronto, Kanada ER