Grid Services Engineering and Management First International Conference, GSEM 2004, Erfurt, Germany, September 27-30, 2004, Proceedings - Jeckle, Mario; Jeckle, Mario; Kowalczyk, Ryszard; Kowalczyk, Ryszard; Braun, Peter; Braun, Peter (Springer Berlin Heidelberg : Imprint: Springer, 2004)