1. Lecture Notes in Computer Science;M. Bubak,2004
2. VDS - The GriPhyN Virtual Data System (accessed, January 2008),
http://www.ci.uchicago.edu/wiki/bin/view/VDS/VDSWeb/WebMain
3. Krishnan, S., Wagstrom, P., von Laszewski, G.: GSFL: A Workflow Framework for Grid Services. ANL/MCS-P980-0802, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, 1L 60439, U.S.A (preprint, 2002)
4. Semantic Grid Community Portal (accessed, January 2008),
http://www.semanticgrid.org/
5. Lecture Notes in Computer Science;M. Wieczorek,2006