DataCite Metadata Schema v4.3 Standard Values for Unknown Information
The following are a set of standard values that may be used when mandatory property values are not available for various reasons.
Examples of usage:
:unkn
Code | Definition |
---|---|
:unac | temporarily inaccessible |
:unal | unallowed, suppressed intentionally |
:unap | not applicable, makes no sense |
:unas | value unassigned (e.g., Untitled) |
:unav | value unavailable, possibly unknown |
:unkn | known to be unknown (e.g., Anonymous, Inconnue) |
:none | never had a value, never will |
:null | explicitly and meaningfully empty |
:tba | to be assigned or announced later |
:etal | too numerous to list (et alia) |
Updated about 1 year ago