1. A. Andrieux, K. Czajkowski, A. Dan, K. Keahey, H. Ludwig, T. Nakata, J. Pruyne, J. Rofrano, S. Tuecke, and M. Xu. Web Services Agreement Specification (WS-Agreement). GRAAF Working Group at the Open Grid Forum, May 2007. available at: http: / /www ogf org/ doouments/GFD.107 .pdf.
2. GRA.AF Working Group atthe Open Grid Forum. availableat: http://www.ogf.org/ gf/group_info/view .php?group=graap-wg.
3. SmartLMprojectweb site, available at: http: / /www. smart im. eu.
4. Y. Chen, S. Iyer,X. Liu, D. Milojicic, and A. Sahai. SLA Decomposition: Translating Service Level Objectives to System Level Thresholds. HFL-2007-17, 2007.
5. Fmunhofer Institute, “WS-Agreement for Java”. See Web site at: http://paokos—eO.soai.fraunhofer.de/wsag4j/. Last accessed: November 2009.