POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
OBJECT_ALIAS
ABSTRACT SUPERTYPE OF
(
ONEOF
(
activity_alias
,
business_associate_alias
,
code_alias
,
data_trace_alias
,
document_specification_alias
,
earth_feature_alias
,
facility_alias
,
geologic_process_alias
,
material_alias
,
technical_reference_alias
))
SUBTYPE OF
(
technical_reference
);
effective_date :
OPTIONAL
ndt_date
;
expiry_date :
OPTIONAL
ndt_date
;
naming_system :
naming_system
;
END_ENTITY
; (* object_alias *)
Generated on Tue Jul 10 19:38:08 2001
© Copyright 2001 POSC. All rights reserved.