Scope and frequency of updating data.
Metadata object are described in the OpenGIS® Metadata (Topic 11) specification. The following table shows the class hierarchy, together with a partial view of aggregation hierarchy:
|Class hierarchy||Aggregation hierarchy|
ISO 19115 object ├─ MaintenanceInformation ├─ Scope └─ ScopeDescription CodeList ├─ MaintenanceFrequency └─ ScopeCode
MaintenanceInformation ├─ MaintenanceFrequency «code list» └─ Scope ├─ ScopeCode «code list» └─ ScopeDescription
ClassDescriptionFrequency with which modifications and deletions are made to the data after it is first produced.Information about the scope and frequency of updating.The target resource and physical extent for which information is reported.Class of information to which the referencing entity applies.Description of the class of information covered by the information.