System Instances
Apart from class and property definitions, 
knora-base and knora-admin provide a small number of class instances 
that should be present in any running DSP stack:
Built-in User Groups
classDiagram
%% Classes
  class UserGroup {
  }
  class UnknownUser {
  }
  class KnownUser {
  }
  class Creator {
  }
  class ProjectMember {
  }
  class ProjectAdmin {
  }
  class SystemAdmin {
  }
%% Relationships
  UserGroup <|-- UnknownUser
  UserGroup <|-- KnownUser
  UserGroup <|-- Creator
  UserGroup <|-- ProjectMember
  UserGroup <|-- ProjectAdmin
  UserGroup <|-- SystemAdminBuilt-in Users
classDiagram
%% Classes
  class User {
  }
  class AnonymousUser {
  }
  class SystemUser {
  }
%% Relationships
  User <|-- AnonymousUser
  User <|-- SystemUserBuilt-in Projects
classDiagram
%% Classes
  class Project {
  }
  class SystemProject {
  }
  class DefaultSharedOntologiesProject {
  }
%% Relationships
  Project <|-- SystemProject
  Project <|-- DefaultSharedOntologiesProject
  
    
      Last update:
      2022-06-22