POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
ASSOCIATION_REFERENCE
ABSTRACT SUPERTYPE OF
(
ONEOF
(
axis_type_alternative
,
class_classification
,
common_activity_composition
,
common_activity_involvement
,
common_activity_property
,
common_facility_composition
,
common_facility_property
,
common_geologic_process_comp
,
common_guideline_or_privilege
,
common_material_composition
,
common_material_property
,
coordinate_axis_constraint
,
coordinate_system_axis
,
coordinate_system_earth_usage
,
geologic_age_classification
,
geologic_feature_province_assn
,
geologic_province_age_clsn
,
naming_system_area
,
predicate_parameter_util
,
property_classification
,
property_set_composition
,
quantity_type_alternative
,
temporal_period_event_boundary
,
temporal_period_period_bndry
,
transformation_earth_usage
,
transformation_parameter_usage
,
transformation_parameter_value
,
transformation_path
))
SUBTYPE OF
(
association
);
source_content :
OPTIONAL
ndt_identifier
;
source_reference :
OPTIONAL
ndt_comment
;
status :
OPTIONAL
ndt_instance_status
;
version :
OPTIONAL
ref_version
;
END_ENTITY
; (* association_reference *)
Generated on Tue Jul 10 19:37:35 2001
© Copyright 2001 POSC. All rights reserved.