POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
POSITION_UNCERTAINTY_CLSN
SUBTYPE OF
(
transient_association
);
spatial_object :
spatial_object
;
uncertainty_class :
uncertainty_class
;
UNIQUE
si:
transient_association
.end_time,
transient_association
.start_time, uncertainty_class, spatial_object;
END_ENTITY
; (* position_uncertainty_clsn *)
Generated on Tue Jul 10 19:38:12 2001
© Copyright 2001 POSC. All rights reserved.