Current Trends in Database Technology - EDBT 2006 : EDBT 2006 Workshops PhD, DataX, IIDB, IIHA, ICSNW, QLQP, PIM, PaRMA, and Reactivity on the Web : Munich, Germany, March 26-31, 2006 : revised selected papers - Grust, Torsten (Lecture notes in computer science ;, 2006)