View document revision history.
General public can request aggregated download usage information for any object ID (with anonymous read access)
This operation provides an indication of the popularity for an object in DataONE, somewhat equivalent to a citation index for a publication.
Use statistics have been recorded for a given object
Any user requests use logs for an object
Requesting user has a copy of use statistics for an object (if authorized).
Figure 1. Interactions for use case 19.