In order to transition into data exchange, shouldn't data exchange be mentioned in the Metadata standards concept node?

Data exchange should be mentioned in Metadata standards concept node?

The rules and method on how metadata from a collection of records is shared.

University of Illinois at Urbana-Champaign

Standards on what needs to be included in metadata and how said metadata is organized in a system. Standards vary from type of institution: libraries, museums and archives all use different standards of metadata.

Metadata Standards

Metadata for All: Descriptive Standards and Metadata Sharing across Libraries, Archives and Museums by Mary W. Elings and Günter Waibel
First Monday, volume 12, number 3 (March 2007),

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