_:vb1561895 . "Date Set"@en . "Corresponds to RiC-E21 (Date Set\n entity)"@en . . . _:vb1561895 "Comment: updated. Objective: to make RiC-O compliant with\n RiC-CM v0.2."@en . _:vb1561895 "2020-10-23" . "Primarily used in the description of Record Sets to describe\n dates of member Records"@en . . "Non-contiguous single dates or date ranges."@en .