Till Riedel Michael Beigl Martin Berchtold Christian Decker Arno Puder Implicit Middleware. 830-840 2008 OTM Workshops http://dx.doi.org/10.1007/978-3-540-88875-8_108 conf/otm/2008-w db/conf/otm/otm2008-w.html#RiedelBBDP08