PERSISTENCE (Interoperability in time)
The ability of a technology system to ensure to the citizen of today that the citizen of tomorrow will be capable of enjoying the current cultural, sociological … assets.
INTERCHANGE (Interoperability in space)
(The ability of a technology system to ensure to the citizen of here that the citizen of there will be capable of enjoying the current cultural, sociological … assets.
Abdelaziz Habid (Memory of the World World) UNESCO