POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
NAMING_SYSTEM_AREA
(* Local *)
SUBTYPE OF
(
association_reference
);
earth_feature :
earth_feature
;
naming_system :
naming_system
;
UNIQUE
si: naming_system, earth_feature;
END_ENTITY
; (* naming_system_area *)
Generated on Tue Jul 10 19:38:07 2001
© Copyright 2001 POSC. All rights reserved.