thing

Thing

Anything that exists, real or imagined.

Attributes

• member__of: A relationship type where a thing may be a member of one or more class.
  • Note: This relationship is the same as the entity type classification.

Subtypes

• abstract_object
• spatio_temporal_extent

EXPRESS Specification

Schema

ENTITY thing
  SUPERTYPE OF (ONEOF(spatio_temporal_extent, abstract_object));
    member__of : OPTIONAL SET [1:?] OF class;
END_ENTITY;

Inheritance Graph

ENTITY thing;
  ENTITY thing;
    member__of : OPTIONAL SET [1:?] OF class;
END_ENTITY;