POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
TYPICAL_MATERIAL_SUCCESSION
SUBTYPE OF
(
transient_association
);
succeeded :
typical_material
;
successor :
typical_material
;
UNIQUE
si:
transient_association
.end_time,
transient_association
.start_time, succeeded, successor;
END_ENTITY
; (* typical_material_succession *)
Generated on Tue Jul 10 19:39:16 2001
© Copyright 2001 POSC. All rights reserved.