POSC Specifications: Epicentre Version 3.0 | Logical Data Model |
The type or kind of property. Each kind of property may be realized using any representation type (e.g., string, quantity, logical, etc). For each kind of property, a constraint may be defined for different representations.
- identifier (M, K, I: ndt_identifier) (C025)
- The name of the instance. Inherited from technical_reference.
- data_precision (O: ndt_pint4) (C124)
- This is the minimum precision which must be maintained in the data. If not specified then there is no constraint on the precision.
- description (O, I: ndt_comment) (C117)
- A remark or comment about the instance. Inherited from e_and_p_data.
- element_type (O: ndt_element_type) (C124)
- If the data type is an ELEMENT then it is constrained to this element type. If not specified then there is no constraint on the element type.
- fixed_length (O: ndt_boolean) (C124)
- If the data type is a STRING then TRUE indicates that it should be a FIXED length string.
- grid_type (O: ndt_grid_type) (C124)
- If the data type is an ELEMENT then it is constrained to this grid type. If not specified then there is no constraint on the grid type.
- instance_create_date (O, I: ndt_date_tod) (C126)
- This is the date that this instance was created. This date is defined by the source if imported, or is the date the instance is created if a new instance. Inherited from e_and_p_data.
- instance_creator (O, I: ndt_identifier) (C126)
- This is the person, company or application that created this instance. This identifies the party responsible for loading this instance. Inherited from e_and_p_data.
- last_updated (O, I: ndt_date_tod) (C126)
- This is the date that this instance was last updated. This value should be updated when any part of this instance is altered (except for inverse relationships). Inherited from e_and_p_data.
- last_updated_by (O, I: ndt_identifier) (C126)
- This records the person or application making the update to this instance. Inherited from e_and_p_data.
- max_value (O: ndt_real4) (C124)
- If the data type is an INTEGER or REAL then it is constrained to this maximum value. If not specified then there is no constraint on the value.
- min_value (O: ndt_real4) (C124)
- If the data type is an INTEGER or REAL then it is constrained to this minimum value. If not specified then there is no constraint on the value.
- ndt_data_type (O: ndt_data_type) (C124)
- If this property kind was specified in a named defined type (ndt) specification then this is the data type that was declared in that specification.
- source (O, I: ndt_identifier) (C126)
- The provider of this instance, which is usually a data provider for imported/purchased data. If this instance is provided by POSC, then this attribute must be "POSC". Inherited from e_and_p_data.
- source_content (O, I: ndt_identifier) (C126)
- This is the original source of the data. This is the person, company or application that defined or specified the data (content) for this instance and is considered to be responsible for it. For example, POSC, EPSG, API, ISO, etc. This may be the same as or different from the provider of the instance (e.g., POSC). Inherited from technical_reference.
- source_reference (O, I: ndt_comment) (C042, C126)
- The reference used by source to provide the standard instance, such as Petroleum Industry Data Dictionary (PIDD), Websters Ninth New Collegiate Dictionary, etc. Inherited from technical_reference.
- status (O, I: ndt_instance_status) (C042)
- The status of this instance in the version of Epicentre running in a data store. This is an enumerated datatype for which the following are the possible values: current, provisional, deprecated. Current - use without restriction. Provisional - use with caution, this value is for comment and may not appear in future releases of Epicentre. Deprecated - avoid use if possible, it is planned to remove this value in the next major release of Epicentre. Inherited from technical_reference.
- string_length (O: ndt_pint4) (C124)
- If the data type is a STRING then this it is constrained to this maximum string length. If not specified then there is no constraint on the string length.
- surface_type (O: ndt_surface_type) (C124)
- If the data type is a SURFACE then it is constrained to this surface type. If not specified then there is no constraint on the surface type.
- axis_type (V: SET[0:?] axis_type_alternative(property_kind))
- These are the axis types which specify this property as an alternative property of an axis. Each property_kind may be an alternative for one or more axis_type_alternative.
- child_kind (V: SET[0:?] property_kind(parent_kind)) (C124)
- The set of property kinds for which this kind is a generalization. Each property_kind may be the generalization of one or more property_kind.
- common_activity_property (V: SET[0:?] common_activity_property(property_kind)) (C124)
- The set of associations which assert that this kind of property is commonly associated with members of a class. Each property_kind may be common to one or more common_activity_property.
- common_data_trace_property (V: SET[0:?] well_log_trace_mnemonic(property_kind)) (C124)
- The set of associations which assert that this kind of property is commonly associated with members of a class. Each property_kind may be common to one or more well_log_trace_mnemonic.
- common_facility_property (V: SET[0:?] common_facility_property(property_kind)) (C124)
- The set of associations which assert that this kind of property is commonly associated with members of a class. Each property_kind may be common to one or more common_facility_property.
- common_material_property (V: SET[0:?] common_material_property(property_kind)) (C124)
- The set of associations which assert that this kind of property is commonly associated with members of a class. Each property_kind may be common to one or more common_material_property.
- coordinate_system_axis (V: SET[0:?] coordinate_system_axis(property_kind))
- These are the instances which utilize the semantics of this instance. Each property_kind may be referenced by one or more coordinate_system_axis.
- data_collection (I, V: SET[0:?] data_collection_content(collection_part)) (C020)
- Indicates the data collections that include this instance of E and P data. Each property_kind may be a member of one or more data_collection_content. Inherited from e_and_p_data.
- derived_interest (I, V: SET[0:?] derived_interest_makeup(interest_for)) (C071, C122)
- These are the ownership fractions for business associates of this object. Each property_kind may be referenced by one or more derived_interest_makeup. Inherited from object_of_interest.
- document_information_content (I, V: SET[0:?] document_information_content(e_and_p_data)) (C136)
- These are the document specification parts that include this data value and define its meaning within a document specification. Each use may define a different meaning, and many uses are allowed. Each property_kind may be included in one or more document_information_content. Inherited from e_and_p_data.
- enumeration_constraint (O: naming_system(property_kind)) (C124)
- Specifies the required coordinate system constraint of this property if it is instantiated as a generic enumeration. Any enumeration values must be selected from this naming system. If not specified then there is no constraint on the naming system. Each property_kind may have enumeration constrained to one naming_system.
- geometry_constraint (O: ref_coordinate_sys_constraint(property_kind)) (C124)
- Specifies the required coordinate system constraint of this property if it is instantiated as a geometry. This is semantically equivalent to the constraint type on a LOCATION, LINE, SURFACE, VOLUME or POINT data type specification. If not specified then there is no constraint on the coordinate system. Each property_kind may have geometry constrained to one ref_coordinate_sys_constraint.
- graphical_element (I, V: SET[0:?] graphical_element(depicted_object))
- Specifies one or more graphical elements which are depicting this data item. Each property_kind may be depicted by one or more graphical_element. Inherited from e_and_p_data.
- grid_1d_equal (V: SET[0:?] grid_1d_equal(property_kind)) (C124)
- The set of descriptive text properties which represent this property kind. Each property_kind may be represented by one or more grid_1d_equal.
- involving_activity (I, V: SET[0:?] object_activity_involvement(involved_object)) (C056)
- This are the activity involvements which affect the object. Each property_kind may have involvements with one or more object_activity_involvement. Inherited from object_of_interest.
- isoline_set (V: SET[0:?] isoline_set(property_kind)) (C124)
- The set of isoline sets which represent this property kind. Each property_kind may be represented by one or more isoline_set.
- money_constraint (O: ref_currency_unit(property_kind)) (C124)
- Specifies the required currency unit of this property if it is instantiated as a quantity. This is semantically equivalent to the currency type on a MONEY data type specification. If not specified then there is no constraint on the currency unit. Each property_kind may have money constrained to one ref_currency_unit.
- naming_system (O, I: naming_system(aliasable_technical_reference)) (C028)
- The naming system in which the identifier is specified and determined to be unique. Each property_kind may have name specified by one naming_system. Inherited from aliasable_technical_reference.
- parent_kind (O: property_kind(child_kind)) (C124)
- The more general property of which this property is a specialization. The semantics of a child property must be a subset of the semantics of the parent property. That is, the child property must represent a specialization of the parent concept by narrowing the meaning of the parent concept. Each property_kind may be a specialization of one property_kind.
- property_classification (V: SET[0:?] property_classification(property_kind)) (C124)
- These are the classifications which characterize this property kind. Each property_kind may be characterized by one or more property_classification.
- property_constraint (O: ref_property_set(constrained_kind)) (C124)
- Specifies the required property set of this property if it is instantiated as a geometry. Any instantiated properties must be selected from this set. This is semantically equivalent to the constraint type on a POINT, ELEMENT or SAMPLE data type specification. If not specified then there is no constraint on the properties. Each property_kind may have property constrained to one ref_property_set.
- property_set (V: SET[0:?] property_set_composition(property_kind)) (C124)
- These are the property sets which include this kind. Each property_kind may be part of one or more property_set_composition.
- pty_descriptive_text (V: SET[0:?] pty_descriptive_text(kind)) (C124)
- The set of descriptive text properties which represent this property kind. Each property_kind may be represented by one or more pty_descriptive_text.
- pty_generic_property (V: SET[0:?] pty_generic_property(property_kind)) (C124)
- The set of generic properties which represent this property kind. Each property_kind may be represented by one or more pty_generic_property.
- quantity_constraint (O: ref_quantity_type(property_constraint)) (C124)
- Specifies the required quantity type of this property if it is instantiated as a quantity. This is semantically equivalent to the quantity type on a QUANTITY data type specification. Each property_kind may have quantity constrained to one ref_quantity_type.
- representation_type (V: SET[0:?] representation_type(property_kind)) (C124)
- These are the allowed representation types for this property kind. If none are specified then all types are allowed. Each property_kind may be constrained to one or more representation_type.
- technical_reference_alias (I, V: SET[0:?] technical_reference_alias(aliased_object)) (C029)
- Indicates the various identifiers by which this instance is known. Each property_kind may be known by one or more technical_reference_alias. Inherited from aliasable_technical_reference.
- version (O, I: ref_version(technical_reference)) (C042, C126)
- This describes the version of this instance as defined by the provider. Each property_kind may version one ref_version. Inherited from technical_reference.
Local rules:
Supertype path(s):
Referenced in Diagrams:
Generated on Tue Jul 10 15:45:48 2001
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