Metadata for entity: Occurrence The actual (often physical) realization of something that was researched and developed. See also: research, development, dissemination
realization of a specification; it can be a software product, system, service, program, or webpage.
An implementation is a realization of a technology in accordance to the principles defined in the technical specifications for this technology. This implementation can be a document, product, application, process, service, system, or other entity.