Dongqing Yang Shiwei Tang Jian Pei Tengjiao Wang Jun Gao Preface to CoMWIM 2004. 197 http://dx.doi.org/10.1007/978-3-540-30466-1_18 2004 conf/er/2004w ER (Workshops) db/conf/er/erw2004.html#YangTPWG04