Meiyu Fang Zhaohui Wu Huajun Chen Yuxin Mao Guozhou Zheng Zhao Xu Xiaojun Wu Building a Courseware Grid upon Dart Database Grid. 148-155 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3252&spage=148 2004 conf/gcc/2004-w GCC Workshops db/conf/gcc/gcc2004-w.html#FangWCMZXW04