POSC Specifications Version 2.2

Epicentre Logical Data Model

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ENTITY TOPOLOGICAL_RELATIONSHIP

SUBTYPE OF (transient_association);

boundary_overlap : ndt_logical;
primary_topological_object : topological_object;
ref_object_intersection : ref_object_intersection;
secondary_topological_object : topological_object;

UNIQUE

si: boundary_overlap, transient_association.end_time, ref_object_intersection, transient_association.start_time, primary_topological_object, secondary_topological_object;

END_ENTITY; (* topological_relationship *)

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Generated on Tue Dec 9 09:50:49 1997
© Copyright 1997 POSC. All rights reserved.