Code lists and enumerations for the WMO Community Core Metadata Profile schema. Based on XML Schema and ISO 19115 Version 0.1 Defined by Expert Team on Integrated Data Management 13-16 May 2002 Shinfield England. > CI_DateTypeCode Code-List (B.5.2) MD_CharacterSetCode Code-List (B.5.10) MD_ClassificationCode Code-List (B.5.11) CI_RoleCode CodeList (B.5.5) MD_MaintenanceFrequencyCode CodeList ( B.5.18) MD_ProgressCode Code-List (B.5.23) MD_RestrictionCode Code-List (B.5.24) MD_SpatialRepresentationTypeCode Code-List (B.5.26) MD_TopicCategoryCode Code-List (B.5.27) MD_MediumNameCode Code-List (B.5.20) WMO keywords Frequency code for data repetition frequency