DataCite Metadata Schema v4.2 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.
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 10 months ago