AC4: Activity Class
Entity Relationship Diagram for Epicentre V3.0 Data Model Copyright (C) 2001 POSC, All Rights Reserved.
activity_template Each activity_template_composition must be part of one and only one activity_template. contained_activity Each activity_template may contain one or more activity_template_composition. activity_template Each activity_template_constraint must constrain activities of one and only one activity_template. activity_template_constraint Each activity_template may specify one or more activity_template_constraint. sub_kinds Each typical_activity may provide identification for one or more typical_activity. super_kind Each typical_activity may be a typical of one and only one typical_activity. typical_activity Each typical_activity_clsn must classify as a member one and only one typical_activity. typical_activity_clsn Each typical_activity may classified by one or more typical_activity_clsn. described_activity Each activity_template must describe one and only one typical_activity. describing_template Each typical_activity may described by one or more activity_template. typical_activity Each activity_template_composition must contain one and only one typical_activity. containing_template Each typical_activity may be part of one or more activity_template_composition. constrained_by Each activity_template_constraint may defined as having a constraint one and only one typical_activity. constraint_for Each typical_activity may constrain one or more activity_template_constraint. constraint_for Each activity_template_constraint must have defined as constraining one and only one typical_activity. constrained_by Each typical_activity may be the typical constrained by one or more activity_template_constraint. child_class Each activity_class may be the generalization of one or more activity_class. parent_class Each activity_class may be a specialization of one and only one activity_class. be_classified_as Each activity_class_classification must be classified as one and only one activity_class. classify Each activity_class may classify one or more activity_class_classification. have_as_a_member Each activity_class_classification must have as a member one and only one activity_class. be_a_member_of Each activity_class may be a member of one or more activity_class_classification. part Each common_activity_composition must commonly have as a part one and only one activity_class. common_whole Each activity_class may commonly have as a whole one or more common_activity_composition. whole Each common_activity_composition must commonly have as a whole one and only one activity_class. common_part Each activity_class may commonly have as a part one or more common_activity_composition. activity_class Each typical_activity_clsn must class one and only one activity_class. typical_activity_clsn Each activity_class may classifies one or more typical_activity_clsn. archetype_typical Each activity_class may provide definition for one and only one typical_activity. activity_class Each typical_activity may have definition provided by one and only one activity_class. kind Each typical_activity may be fundamentally defined by one and only one activity_class. typical_activity Each activity_class may define the nature of one or more typical_activity. activity_class Each common_activity_property must be associated with one and only one activity_class. common_properties Each activity_class may commonly have one or more common_activity_property. property_kind Each common_activity_property must commonly have one and only one property_kind. common_activity_property Each property_kind may be common to one or more common_activity_property. involved_entity Each common_activity_involvement may normally involve one and only one ref_entity. common_activity_involvement Each ref_entity may involved with one or more common_activity_involvement. involvement_role Each common_activity_involvement must have involvement role of one and only one ref_activity_involvement_role. common_involvement Each ref_activity_involvement_role may be the role for one or more common_activity_involvement. involving_class Each common_activity_involvement must normally be involved with one and only one activity_class. involved_class Each activity_class may be normally involved with one or more common_activity_involvement. property_kind Each pty_generic_property must be a value for one and only one property_kind. pty_generic_property Each property_kind may be represented by one or more pty_generic_property. involved_class Each common_activity_involvement may normally involve one and only one classification_class. common_activity_involvement Each classification_class may have normal involvement with one or more common_activity_involvement. classification_class Each pty_generic_property may be a property of one and only one classification_class. pty_generic_property Each classification_class may have a property of one or more pty_generic_property. classification_class Each common_guideline_or_privilege must be defined for one and only one classification_class. common_guideline_or_privilege Each classification_class may commonly have one or more common_guideline_or_privilege. activity_class activity_class_classification activity_template activity_template_composition activity_template_constraint classification_class common_activity_composition common_activity_involvement common_activity_property common_guideline_or_privilege property_kind pty_generic_property ref_activity_involvement_role ref_entity typical_activity typical_activity_clsn