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