1. The Internet Engineering Task Force: http://www.ietf.org
2. Sheth, A., Ranabahu, A.: Semantic modeling for cloud computing, part 1. Internet Comput. IEEE 14(3), 81–83 (2010)
3. Cloud Computing for Large-Scale Complex IT Systems: https://gow.epsrc.ukri.org/NGBOViewGrant.aspx?GrantRef=EP/H042644/1 (2010). Accessed Oct 2019
4. OVF Members List: http://www.dmtf.org/about/list
5. OpenStack: http://www.openstack.org/