| Subject | English | Italian |
| gen. | cooperation for open systems interconnection networking in Europe | Cooperazione sulle reti di sistemi aperti in Europa |
| IT | Cooperation for Open Systems Interconnection Networking in Europe-Cosine Project Office | Cooperazione sulle reti di sistemi aperti in Europa |
| commun., IT | open systems interconnection architecture | architettura OSI |
| commun., IT | open systems interconnection environment | ambiente OSI |
| commun., IT | open systems interconnection management | gestione OSI |
| comp., MS | Open Systems Interconnection model | Open Systems Interconnection (A networking model introduced by the International Organization for Standardization (ISO) to promote multi-vendor interoperability. OSI is a seven-layered conceptual model consisting of the application, presentation, session, transport, network, data-link, and physical layers) |
| commun., comp. | open systems interconnection reference model | modello di riferimento ISO/OSI |
| commun., comp. | open systems interconnection reference model | modello OSI |