1. The GEMSS project: Grid-enabled medical simulation services, EU IST project, ist-2001-37153, http://www.gemss.de/
2. OGF grid resource allocation agreement protocol working group website: https://forge.gridforum.org/sf/projects/graap-wg
3. OGF grid scheduling architecture research group website: https://forge.gridforum.org/sf/projects/gsa-rg
4. Interactive Access Control for Web Services. Kluwer (2004)
5. Ajayi, O., Sinnott, R., Stell, A.: Dynamic trust negotiation for flexible e-health collaborations. In: Proceedings of the 15th ACM Mardi Gras conference (MG), pp. 1–7. ACM Press, New York (2008)