1. E-Government interoperability: linking open and smart government;Jimenez;Computer,2014
2. S. Carmody, M. Erdos, K. Hazelton, W. Hoehn, B. Morgan, T. Scavo, D. Wasley, InCommon technical requirements and information, 2005.
3. T.W. House, National strategy for trusted identities in cyberspace: enhancing online choice, efficiency, security, and privacy, 2011. URL https://pages.nist.gov/NISTIR-8149/nistir8149.html.
4. Complex federation architectures: stakes, tricks & issues;Ates,2008
5. An ontology-based interoperability solution for electronic-identity systems;Priesnitz Filho,2016