| A2A |
Administration to administration |
| A2B |
Administration to business |
| A2C |
Adminsitration to citizen |
| DIF |
Domain-specific interoperability framework |
| DSM |
Digital Single Market |
| EC |
European Commission |
| EIC |
European Interoperability Cartography |
| EIF |
European Interoperability Framework |
| EIRA |
European Interoperability Reference Architecture |
| EU |
European Union |
| EUPL |
European Union Public Licence |
| ICT |
Information and Communication Technology |
| INSPIRE |
Directive 2007/2/EC of the European Parliament and of the Council of 14 March 2007 establishing an Infrastructure for Spatial Information in the European Community (INSPIRE) |
| ISA |
Interoperability solutions for European public administrations |
| ISA² |
Interoperability solutions and common frameworks for European public administrations, business and citizens |
| MoU |
Memorandum of understanding |
| MS |
Member State |
| NIF |
National Interoperability Framework |
| NIFO |
National Interoperability Framework Observatory |
| PSI |
Public sector information |
| SLA |
Service level agreement |
| SOA |
Service-oriented architecture |
