SCHEMA Independent_property_arm;
ENTITY Independent_property;
id : STRING;
property_type : STRING;
description :
OPTIONAL
STRING;
END_ENTITY;
ENTITY Independent_property_relationship;
relation_type : STRING;
description :
OPTIONAL
STRING;
relating : Independent_property;
related : Independent_property;
END_ENTITY;
END_SCHEMA; -- Independent_property_arm