POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
ACTIVITY_CLASSIFICATION
SUBTYPE OF
(
transient_association
);
activity :
activity
;
activity_class :
activity_class
;
UNIQUE
si:
transient_association
.end_time,
transient_association
.start_time, activity_class, activity;
END_ENTITY
; (* activity_classification *)
Generated on Tue Jul 10 19:37:32 2001
© Copyright 2001 POSC. All rights reserved.