Changqin Huang Deren Chen Qinghuai Zeng Hualiang Hu A DAG-Based XCIGS Algorithm for Dependent Tasks in Grid Environments. 158-167 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3044&spage=158 2004 conf/iccsa/2004-2 ICCSA (2) db/conf/iccsa/iccsa2004-2.html#HuangCZH04