Resource Order Type Information on the order type (requires an ordering procedure, or no ordering and if fully open or requires authentication). application/rdf+xml 2020-07-30T12:59:38 2022-11-14T15:38:40 Request/Order required Resource requires an ordering procedure order_type-order_required Open access No ordering procedure necessary to access the resource but requires user authentication order_type-open_access Fully open access No ordering procedure necessary to access the resource and no user authentication required order_type-fully_open_access Other order_type-other