1. UN e-Government Survey 2008. From e-Government to Connected Governance. United Nations New York (2008)
2. UK E-Government Interoperability Framework, Version 6.1
3. New Zealand E-government Interoperability Framework(NZ e-GIF), Version 3.2
4. van Overeem, A., Witters, J., Peristeras, V.: PanEuropean EGovernment Services on the Semantic Web Services. In: Proceedings of the 40th Hawaii International Conference on System Sciences (2007)
5. Loutas, N., Peristeras, V., Goudos, S., Tarabanis, K.: Facilitating the Semantic Discovery of eGovernment Services: The SemanticGov Portal. In: Proceedings of the 3rd International Workshop on Vocabularies, Ontologies and Rules for The Enterprise (VORTE 2007) in conjuction with EDOC 2007 (2007)