DM3: Document Schema
Entity Relationship Diagram for Epicentre V3.0 Data Model Copyright (C) 2001 POSC, All Rights Reserved.
part_attribute Each document_schema_attribute may be composed of one or more document_schema_attribute. whole_attribute Each document_schema_attribute may be a part of one and only one document_schema_attribute. document_schema_element Each document_schema_attribute must be a part of one and only one document_schema_element. document_schema_attribute Each document_schema_element may have one or more document_schema_attribute. part_element Each document_schema_element may be composed of one or more document_schema_element. whole_element Each document_schema_element may be a part of one and only one document_schema_element. child_class Each document_specification_class may be the generalization of one or more document_specification_class. parent_class Each document_specification_class may be a specialization of one and only one document_specification_class. document_schema Each document_specification_class may have a structure defined by one and only one document_schema. document_specification_class Each document_schema may define the structure for one or more document_specification_class. document_schema Each document_schema_part must be a part of one and only one document_schema. document_schema_part Each document_schema may be composed of one or more document_schema_part. document_schema_part Each document_specification_part may is defined by one and only one document_schema_part. document_specification_part Each document_schema_part may be used to define one or more document_specification_part. document_schema_entity Each document_schema_entity_content must describe one and only one document_schema_entity. document_schema_entity_content Each document_schema_entity may provide content for one or more document_schema_entity_content. document_schema document_schema_attribute document_schema_comment document_schema_element document_schema_entity document_schema_entity_content document_schema_part document_specification_class document_specification_part