POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
ALIASABLE_TECHNICAL_REFERENCE
ABSTRACT SUPERTYPE OF
(
ONEOF
(
activity_template
,
classification_class
,
coordinate_system
,
coordinate_transformation
,
datum
,
document_schema
,
document_schema_part
,
ellipsoid
,
generic_enumeration
,
object_association_class
,
parameter_type
,
predicate_type
,
prime_meridian
,
process_parameter
,
property_kind
,
symbol_library
,
temporal_object
,
transformation_method
,
transformation_parameter
,
typical_object
))
SUBTYPE OF
(
technical_reference
);
naming_system :
OPTIONAL
naming_system
;
INVERSE
technical_reference_alias :
SET [0:?] OF
technical_reference_alias
FOR
aliased_object;
END_ENTITY
; (* aliasable_technical_reference *)
Generated on Tue Jul 10 19:37:33 2001
© Copyright 2001 POSC. All rights reserved.