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Lecture Notes in Computer Science
Identifiers (unique labels for entities) and metadata (structured relationships between identified entities) are prerequisites for DRM. The term identifier can mean a label numbering scheme, specification, or fully implemented identifier system in a specific infrastructure. Implementations require a social infrastructure. In an automated environment, the entity being managed must be defined in a structured way, by means of attributes. Managed entities will often be abstractions, and the choicedoi:10.1007/10941270_4 fatcat:igmvsdw5hjbsnbsd2iadophbfe