POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
TEMPORAL_OBJECT
ABSTRACT SUPERTYPE OF
(
ONEOF
(
temporal_event
,
temporal_period
))
SUBTYPE OF
(
aliasable_technical_reference
);
INVERSE
geologic_age_classification :
SET [0:?] OF
geologic_age_classification
FOR
temporal_object;
geologic_province :
SET [0:?] OF
geologic_province_age_clsn
FOR
temporal_object;
END_ENTITY
; (* temporal_object *)
Generated on Tue Jul 10 19:39:11 2001
© Copyright 2001 POSC. All rights reserved.